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To study
and analyzethe role of
convenience food
in 5 star hotels
in the city of
mumbai
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To study and analyze the role of
convenience food in 5 star hotelsin the city of mumbai
BY
PRATIK.A.VICHARE
Research project submitted in partial fulfilment of the requirements of Bsc in Hospitality
and hotel administration under the National Council of Hotel Management and Catering
Technology.
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we would like to extend out most gracious thanks the principal Mrs. Riya
Chatterjee for giving us the opportunity to conduct our research project on the topic
To study and analyze the role of convenience food in 5 star hotel in the city of
mumbai.We would also like to thank our research guide Mrs. for her immense help and
guidance throughout the period that we carried out our research project and without
whom this research would not have proved fruitful.Further, we would like to thank all the professionals and the general public who
took out time from their busy schedules to answer our questionnaires that formed the base
of our research.
Finally, we would like to thank our family and friends for their guidance in
cooperation in helping us in make this research a success.
Thank you.
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Sr.no Topic Page
no.1 Aims and Objectives 6
2 Schedule 7
3 Budget 84 Introduction to Convenience food 9
5 Role of convenience food in 5 star hotels
Introduction
History
Classification
Question towards convenience foods
Food Processing
Heat Sterilization
Food Preservation
The Range of Convenience Foods.
Food Packing
Food labeling regulations
List of Canned Food
Bottled Foods
Dried Foods
Processed Foods
Miscellaneous Categories
Advantages of Convenience foods.
Disadvantages of Convenience foods.
Scientific and Nutritional aspects.
The Future of Convenience foods
Conclusion
6 Research design
Definition
Objective
Methods of Data Collection
Questionnaire
7 Bibliography
8 Background
9 Certificate
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Aims & Objectives
To identify the most commonly used Convenience foods in 5 star hotels.
To determine the products used in cooking before the introduction of conveniencefoods in 5 star hotels.
To examine the long term and short term effects of convenience foods.
To investigate future requirements of convenience foods by hotel industry.
To determine the future development of convenience foods.
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Schedule
Literature Review 20th
July, 2009 to 21st
August, 2009
Designing Research26th August, 2009 to 7th September, 2009
Formulating theQuestionnaire 9
th September, 2009 to 14th
September, 2009
Field and Lab work
and Data Analysis 16th September to 30th November, 2009
Summarizing the
collected data 2nd
December, 2009 to 25th
January, 2010
Printing and binding
the report 27th January, 2009 to 8th February, 2010
Submission of report9th February, 2010
Power PointPresentation 16
th February, 2010
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Budget
Expenditure on printing
Expenditure on binding
Expenditure on photocopying
Traveling expenditure
Expenditure on telephone calling
Library expenditure
Expenditure on ingredients
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INTRODUCTION
Convenience foods are pre-prepared foods which are designed to save consumers time inthe kitchen, and often reduce costs due to spoilage and the economies of scale.
Convenience foods require minimal preperation, typically just heating, and are oftenpackaged for a long shelf life with little loss of flavour and nutrients.Typically convenience foods come a variety of formats, including frozen, chilled and
canned.
Convenience food, or tertiary processed food, is commercially prepared food designedfor ease of consumption.[1]Products designated as convenience foods are often
preprepared food stuffs that can be sold as hot, ready-to-eat dishes; as room temperature,
shelf-stable products; or as refrigerated or frozen products that require minimal
preparation, typically just heating.
These products often are sold in portion controlled, single serve packaging designed forportability for "on-the-go" or later eating. Convenience food can include products such ascandy; beverages such as soft drinks, juices and milk; fast food; nuts, fruits and
vegetables in fresh or preserved states; processed meats and cheeses; and canned products
such as soups and pasta dishes.
Critics have derided the increasing trend of convenience foods because of numerous
issues. Several groups have cited the environmental harm of single serve packaging dueto the increased usage ofplastics that contributes to solid waste in landfills. Health
organizations have spoken out about the high levels ofsalts, fats and preservatives in
these products which critics claim are a contributing factor of the obesity epidemic in
western nations.
On deprived housing estates on the edge of many British towns, local independent
grocers may offer much in the way of convenience food but little fresh fruit and
vegetables. Fresh food may not sell well and so spoils before sale, eroding local shopprofit margins, which may be small anyway due to low levels of trade. Also small local
independent shops often face higher per-item wholesale prices for small orders of fresh
fruit and vegetables. This is one type of'food desert' and may be due to lack of localspending power or lack of knowledge about how to prepare and cook healthy foods such
as fresh vegetables.
http://en.wikipedia.org/wiki/Convenience_food#cite_note-Nutrition_Bible-0http://en.wikipedia.org/wiki/Convenience_food#cite_note-Nutrition_Bible-0http://en.wikipedia.org/wiki/Convenience_food#cite_note-Nutrition_Bible-0http://en.wikipedia.org/wiki/Portion_control_%28dieting%29http://en.wikipedia.org/wiki/Candyhttp://en.wikipedia.org/wiki/Beverageshttp://en.wikipedia.org/wiki/Soft_drinkshttp://en.wikipedia.org/wiki/Juiceshttp://en.wikipedia.org/wiki/Milkhttp://en.wikipedia.org/wiki/Fast_foodhttp://en.wikipedia.org/wiki/Nut_%28fruit%29http://en.wikipedia.org/wiki/Fruitshttp://en.wikipedia.org/wiki/Vegetableshttp://en.wikipedia.org/wiki/Dried_fruithttp://en.wikipedia.org/wiki/Cold_cuthttp://en.wikipedia.org/wiki/Processed_cheesehttp://en.wikipedia.org/wiki/Canninghttp://en.wikipedia.org/wiki/Souphttp://en.wikipedia.org/wiki/Pastahttp://en.wikipedia.org/wiki/Plasticshttp://en.wikipedia.org/wiki/Solid_wastehttp://en.wikipedia.org/wiki/Landfillshttp://en.wikipedia.org/wiki/Salthttp://en.wikipedia.org/wiki/Fathttp://en.wikipedia.org/wiki/Preservativeshttp://en.wikipedia.org/wiki/Obesityhttp://en.wikipedia.org/wiki/Food_deserthttp://en.wikipedia.org/wiki/Food_deserthttp://en.wikipedia.org/wiki/Obesityhttp://en.wikipedia.org/wiki/Preservativeshttp://en.wikipedia.org/wiki/Fathttp://en.wikipedia.org/wiki/Salthttp://en.wikipedia.org/wiki/Landfillshttp://en.wikipedia.org/wiki/Solid_wastehttp://en.wikipedia.org/wiki/Plasticshttp://en.wikipedia.org/wiki/Pastahttp://en.wikipedia.org/wiki/Souphttp://en.wikipedia.org/wiki/Canninghttp://en.wikipedia.org/wiki/Processed_cheesehttp://en.wikipedia.org/wiki/Cold_cuthttp://en.wikipedia.org/wiki/Dried_fruithttp://en.wikipedia.org/wiki/Vegetableshttp://en.wikipedia.org/wiki/Fruitshttp://en.wikipedia.org/wiki/Nut_%28fruit%29http://en.wikipedia.org/wiki/Fast_foodhttp://en.wikipedia.org/wiki/Milkhttp://en.wikipedia.org/wiki/Juiceshttp://en.wikipedia.org/wiki/Soft_drinkshttp://en.wikipedia.org/wiki/Beverageshttp://en.wikipedia.org/wiki/Candyhttp://en.wikipedia.org/wiki/Portion_control_%28dieting%29http://en.wikipedia.org/wiki/Convenience_food#cite_note-Nutrition_Bible-08/2/2019 Final Set-Up of R.P.
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This age is the age of rapid development in all sectors. Major technological breakthroughs
are taking place and revolutionizing the way we live. Gone are the days when women were
confined within the four walls of their home and spent most of their time in the kitchen.Foraying into the outside world was considered taboo for her. Times have changed and
have the views of the people. These days women compete with men in all sectors and
prove their worth both in the home and the work place. This leaves little time left for her torelax and unwind. Keeping this in view the markets are flooded with food products that do
not require much time and energy for preparation. These are referred to as conveniencefoods. This term implies the foods that have already undergone some processes required
during cooking so that the actual time and energy required is reduced facilitating the homemaker to a large extent. Simply putting it convenience foods are very convenient for people
who cannot spend much time in food preparation as well as people with little or no culinary
skills.
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Role of Convenience foods in 5 star hotels
INTRODUCTION:Convenience food, or tertiary processed food, is commercially prepared food designed
for ease of consumption. Products designated as convenience foods are often prepreparedfood stuffs that can be sold as hot, ready-to-eat dishes; as room temperature, shelf-stableproducts; or as refrigerated or frozen products that require minimal preparation, typically
just heating. These products often are sold inportion controlled, single servepackaging
designed for portability for "on-the-go" or later eating. Convenience food can includeproducts such ascandy;beveragessuch assoft drinks,juicesandmilk;fast food;nuts,
fruitsandvegetablesin fresh orpreservedstates;processed meatsandcheeses; and
cannedproducts such assoupsandpastadishes. Critics have derided the increasing trend
of convenience foods because of numerous issues. Several groups have cited theenvironmental harm of single serve. packaging due to the increased usage ofplasticsthat
contributes tosolid wasteinlandfillsHealth organizations have spoken out about the
high levels ofsalts,fatsandpreservativesin these products which critics claim are acontributing factor of theobesityepidemic in western nations.
The majority of foods that we eat today would have seemed novel to our ancestors. From
biblical times effortshave been made to make food more convenient from the point of
preserving, preparing, cooking and storing. For the past thirty years the emergence of alarge variety of foods in a greater state of preparedness for the caterer and the housewife
has led to the words convenience foods having a special connotation. There are
however several definitions used from different sources which unfourtunately do notmatch well with each other and only add to the confusion of what is really meant by term
convenience foods.
Reports of the National Food Survey Committee define convenience foods as those
processed foods for which the degree of preparation has been carried to an advancedstage by the manufacturer and which may be used as labour-saving alternatives to less
highly processed products. The convenience foods identified by the Survey are cooked
and canned meats, meat products, cooked and canned fish, fish products, cannedvegetables, vegetable products, canned fruit, fruit juices, cakes and pastries, biscuits,
breakfast cereals, puddings etc.
The report by Arthur D. Little Ltd to the Hotels and Catering and Food Manufacturing
EDC entitled Convenience Foods in catering defines concenience foods as those foodsthat have been converted by a manufacturer into a form more readily stored and prepared
for consumption by others. However, the definition is limited to those foods that are in
common use by caterers or consumers in both raw or fresh and convenience forms.
Article in the trade and national press define convenience foods as pre-prepared andfrozen foods ready to be served with only a minimum of preparation such as heating,
plating and garnishing.These definitions which are widely used are not in agreement with each other and
illustrates how claims for the growth of convenience foods can differ depending
upon the definition the claims are based if the reader is to accept the second
definitions given as being most suitable a definition for convenience foodscould will be necessary to cover item such cakes , pastries, puddings ,breakfast
http://en.wikipedia.org/wiki/Portion_control_%28dieting%29http://en.wikipedia.org/wiki/Portion_control_%28dieting%29http://en.wikipedia.org/wiki/Portion_control_%28dieting%29http://en.wikipedia.org/wiki/Packaginghttp://en.wikipedia.org/wiki/Packaginghttp://en.wikipedia.org/wiki/Packaginghttp://en.wikipedia.org/wiki/Candyhttp://en.wikipedia.org/wiki/Candyhttp://en.wikipedia.org/wiki/Candyhttp://en.wikipedia.org/wiki/Beverageshttp://en.wikipedia.org/wiki/Beverageshttp://en.wikipedia.org/wiki/Beverageshttp://en.wikipedia.org/wiki/Soft_drinkshttp://en.wikipedia.org/wiki/Soft_drinkshttp://en.wikipedia.org/wiki/Soft_drinkshttp://en.wikipedia.org/wiki/Juiceshttp://en.wikipedia.org/wiki/Juiceshttp://en.wikipedia.org/wiki/Juiceshttp://en.wikipedia.org/wiki/Milkhttp://en.wikipedia.org/wiki/Milkhttp://en.wikipedia.org/wiki/Milkhttp://en.wikipedia.org/wiki/Fast_foodhttp://en.wikipedia.org/wiki/Fast_foodhttp://en.wikipedia.org/wiki/Fast_foodhttp://en.wikipedia.org/wiki/Nut_%28fruit%29http://en.wikipedia.org/wiki/Nut_%28fruit%29http://en.wikipedia.org/wiki/Nut_%28fruit%29http://en.wikipedia.org/wiki/Fruitshttp://en.wikipedia.org/wiki/Fruitshttp://en.wikipedia.org/wiki/Vegetableshttp://en.wikipedia.org/wiki/Vegetableshttp://en.wikipedia.org/wiki/Vegetableshttp://en.wikipedia.org/wiki/Dried_fruithttp://en.wikipedia.org/wiki/Dried_fruithttp://en.wikipedia.org/wiki/Dried_fruithttp://en.wikipedia.org/wiki/Cold_cuthttp://en.wikipedia.org/wiki/Cold_cuthttp://en.wikipedia.org/wiki/Cold_cuthttp://en.wikipedia.org/wiki/Processed_cheesehttp://en.wikipedia.org/wiki/Processed_cheesehttp://en.wikipedia.org/wiki/Processed_cheesehttp://en.wikipedia.org/wiki/Canninghttp://en.wikipedia.org/wiki/Canninghttp://en.wikipedia.org/wiki/Souphttp://en.wikipedia.org/wiki/Souphttp://en.wikipedia.org/wiki/Souphttp://en.wikipedia.org/wiki/Pastahttp://en.wikipedia.org/wiki/Pastahttp://en.wikipedia.org/wiki/Pastahttp://en.wikipedia.org/wiki/Plasticshttp://en.wikipedia.org/wiki/Plasticshttp://en.wikipedia.org/wiki/Plasticshttp://en.wikipedia.org/wiki/Solid_wastehttp://en.wikipedia.org/wiki/Solid_wastehttp://en.wikipedia.org/wiki/Solid_wastehttp://en.wikipedia.org/wiki/Landfillshttp://en.wikipedia.org/wiki/Landfillshttp://en.wikipedia.org/wiki/Landfillshttp://en.wikipedia.org/wiki/Salthttp://en.wikipedia.org/wiki/Salthttp://en.wikipedia.org/wiki/Salthttp://en.wikipedia.org/wiki/Fathttp://en.wikipedia.org/wiki/Fathttp://en.wikipedia.org/wiki/Fathttp://en.wikipedia.org/wiki/Preservativeshttp://en.wikipedia.org/wiki/Preservativeshttp://en.wikipedia.org/wiki/Preservativeshttp://en.wikipedia.org/wiki/Obesityhttp://en.wikipedia.org/wiki/Obesityhttp://en.wikipedia.org/wiki/Obesityhttp://en.wikipedia.org/wiki/Obesityhttp://en.wikipedia.org/wiki/Preservativeshttp://en.wikipedia.org/wiki/Fathttp://en.wikipedia.org/wiki/Salthttp://en.wikipedia.org/wiki/Landfillshttp://en.wikipedia.org/wiki/Solid_wastehttp://en.wikipedia.org/wiki/Plasticshttp://en.wikipedia.org/wiki/Pastahttp://en.wikipedia.org/wiki/Souphttp://en.wikipedia.org/wiki/Canninghttp://en.wikipedia.org/wiki/Processed_cheesehttp://en.wikipedia.org/wiki/Cold_cuthttp://en.wikipedia.org/wiki/Dried_fruithttp://en.wikipedia.org/wiki/Vegetableshttp://en.wikipedia.org/wiki/Fruitshttp://en.wikipedia.org/wiki/Nut_%28fruit%29http://en.wikipedia.org/wiki/Fast_foodhttp://en.wikipedia.org/wiki/Milkhttp://en.wikipedia.org/wiki/Juiceshttp://en.wikipedia.org/wiki/Soft_drinkshttp://en.wikipedia.org/wiki/Beverageshttp://en.wikipedia.org/wiki/Candyhttp://en.wikipedia.org/wiki/Packaginghttp://en.wikipedia.org/wiki/Portion_control_%28dieting%298/2/2019 Final Set-Up of R.P.
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cereals etc if the first and second definitions are used it does not mean that the
foods have to be frozen to be classified as convenience foods, as is often thesuggestion of some food manufacturers, a solution to the problem of an
acceptable definition could be to classify all foods that have been partially or
completely processed as convenient foods
Consumers are attracted to these products for their:
Low financial cost. In addition to their low cost price, they negate the need to
store fresh food and therefore the likelihood of wasteage is significantly lower.
Low time cost. Convenience foods significantly reduce the time spent shopping
for and preparing a meal.
Variety. Due to packaging techniques such as canning and freezing, foods are
available at all times of the year
Food Safety. Packaging and processing techniques such as canning, freezing and
irradiation, reduce spoilage and the presence of bacteria in the consumed products.
Convenience foods are often criticised. Reasons for criticism include:
They are often high in fat and calorie content, and over consumption of
convenience foods is often linked to obesity
Foods are sometimes subject to food irradiation, which has a negative public
perception
Preservatives are almost always used, which also have a negative public
perception
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HISTORY
Many point to the feminist movement, unchaining women from the kitchen ,as the
motivation for the development of these products. Others say it is more likely that
urbanization, industrialization, and a reaction to feed the post war population explosion
after World War II was the true cause.However what many over look is the obvious fact that convenience foods are a very
profitable product and their development has been very much marketing lead.From the manufacturers point of view these products are astounding.
They give:
Repeat business. Once the meal has been eaten, the customer has to buy
another one.
Long shelf life means that there is little wastage
The whole ingredients are on the whole very cheap
As consumer taste and buying patterns change, the flavour and look of the
product can track these changes.
In many cases all that is required is a cosmetic change to the packaging. Unfortunately,
the advantages for the producer do not equate to benefits for the consumer.
The cheap ingrediants used are more frequently things like grains and other highcarbohydrate ingrediants.
Where meat is used it is:
1. Often the cheaper cuts
2. Mechanically recovered and processed
3. Supplemented or replaced by Soya
This results in the need to use flavour enhancers and other additives in order to make themeal palatable for the consumer. The same is true for non meat dishes.
The most common convenience foods most folk have come across are the breakfastcereals. Breakfast cereals come in a very wide variety of types from simple cornflakes
through to deluxe muesli containing nuts and exotic fruits. These again are made frommainly cheap and nutritionally inferior ingrediants that need to have their nutritional
value augmented by additive.Whether convenience foods are good or bad depends on which side of the supply chain
fence you are standing on. Manufacturers would say they are good. Not so the
independant nutritionist or many consumer groups.
Studies show that by 1965, 27 to 30 percent of US households had significantly
incorporated convenience foods into their diets. By the 1990s convenience foods in theUS and UK comprised a large portion of the average diet. In the US, several studies
indicate that many families diets consist entirely of convenience foods in one form oranother.
In addition to breakfast cereals, these food items take many forms. From Kraft Dinner, to
whole turkey breasts. The TV dinner is a good example of a convenience food.
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Classification of convenience foods
One of the major difficulties associated with any form of connivance food study is the
lack of an adequate classification for the now extensive range of commodities. Existing
classification which are based on either the form of preservation the foods have
undergone or the foods groups to which the food belongs are not particularly useful tothe catering production planner as they do not reveal the potential value of convenience
foods for make-or-buy decision-making .To overcome this limitation a new classification is now advocated which takes into
account the degree of prepreparation foods have received prior to their arrivals in a
catering unit. In its simplest form a given food would be classified into one of fourgroups :
1) Low degree of pre-productions
2) Medium degree of pre-production3) High degree of pre-production
4)Ready-to-serve foods.
1)Low degree of pre-productions foods: Convenience items belonging to this group arebasically raw materials which have received the minimum of pre-preparation. They are
versatile in that they may b used for the production of an extensive range of dishes.
Representative of the group are washed vegetables sides of meat, gutted fish, uncookedpoultry flours treated with aerating agents and roasted coffee beans.
2) Medium degree of pre-production foods: Preparation process have been taken a just
receive prior to their utilization. Example includes sponges and pastry mixes, peeledvegetables, larger meat cuts, filleted fish, roasted grounds coffee, portioned uncooked
poultry, canned and dehydrated meats for pie production.
3) High degree of pre-production foods: For such foods the maximum amount of
processing has been undertaken. These commodities will possibly require simple mixing
procedures, water additions, heat treatments etc, before they are table ready. Examples ofthe group are prepared and portioned vegetables, portioned teas and coffees, breaded fish,
portioned meats, frozen and canned entrees, boil-in-the-bag commodities, dehydrated
canned and frozen sauces, ready-to-cook pies.
4) Ready-to-serve foods: The range of foods belonging to this group continues to
expand as food manufacturers endeavour to reduce to zero the amount of preparation
commodities will require before they are available for the table. The majority arepackaged as single portions, e.g. butter, sugar, cheese, instant tea and coffee, tea bags, but
could also include multi-packs chilled hors doeuvre, cakes and ready-to-eat fruit and
cold meat pies.
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WHY CONVENIENCE FOODS?????
The enormous advance in production techniques and current use of ready prepared foods
in the fullest sense of the term by caters and housewives generally is part of the general
social economic and technological revolutions of the past few decades. The 19th
and early
20
th
century industrialization and urbanization demanded the development of massproduction technique for food supplies in all stages from sources to consumer. People
could no longer obtain fresh food direct from the land they owned or worked on.
Taste also gradually began to change and with incomes and education increasing tobecome more sophisticated. As communication travel and transport improved interest in
food stuffs and dishes from other countries became more widespread with a consequent
increase in food imports. This in its turn has had an impact on methods of packingstorage distribution and selling.
WHY PRE PREPARED FOODS????
In the 1800s there were two main problems in food technology: The provision ofsufficient quantity and variety of food for the growing population ; The control of the
peaks of perishables supplies by suitable methods of preservations.The traditional method of preservation such as pickling or salting sun drying or smoking
were really not suitable for mass production. In 1810 the issue of the patent for the use of
tinplate for canning was the real breakthrough but it was not until the 1920s that largescale canning commenced .
Take soups for example. Soup making was a lengthy process until 1883 when Maggisintroduction their pea flour on the market . This reduced the time for making a good thick
pea to about one hour. In 1897 Campbells produced the 1st
canned food soups. Thesewere accepted slowly at first with a gradual increase until in 1938 some 65 million cans
were being sold annually .
The 2nd world war saw canned foods more firmly established until by 1958 soups alone
were selling at the rate of 450 million cans annually.To-day food technology has increased and improved the methods of preservation and
preparations so that they have become generally acceptable.
Preservation of foods
Because of the relationships between food preservation and conveniencing techniques itis useful to consider the reason for preservation and review some of the major techniques
which are currently being used by the food industry.
Why food spoilage???
The basic necessity of any food preservation process is to inactivate or retard the activityof agents which cause food spoilage. In general terms these types chemical reaction,
enzymic processes and growth and reproduction of organisms.
The essential reaction which occur in living material are carefully planned and theproducts of reaction so controlled that the well being of the tissues is preserved. However
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once the material has been harvested or slaughtered living process becomes unbalanced
and the natural immunity against microbial attack lost.Enzymes the biological catalysts found in all living tissues which regulate the life
process continue to function but as the natural life cycles for the chemicals produced by
such reactions are no longer controlled many substance are produced which are foreign to
the tissues . these reactions causes physical and chemical changes in protein materialcolours fats textural qualities etc.a condition known as spoilage. In addition many
chemical substance will interact to produce off odour and tastes. Whilst such reactions
may be slow they are of significance in foods with artificially extended storageproperties. By far the most serious spoilage problems are those resulting from the growth
and reproduction of microbes. Included in this group are those bacteria of public health
significance which are particularly dangerous as they attack perishable foods and visiblesigns of spoilage are often absent. Knowledge of enzymes and chemical reactions
together with an understanding of the conditions which favors growth and reproduction
of micro organisms are fundamental to the creation of effective food preservation
process.
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Food processing
Food processing is the set of methods and techniques used to transform rawingredients
intofoodor to transform food into other forms forconsumptionbyhumansor animals
either in the home or by thefood processing industry. Food processing typically takes
clean,harvestedcrops orslaughteredandbutcheredanimal products and uses these toproduce attractive,marketableand often long-life food products. Similar process are used
to produceanimal feed.Extreme examples of food processing include the delicatepreparation of deadly fugu fish
or preparing space food for consumption underzero gravity.
Benefits
Mass production of food is much cheaper overall than individual production of meals
from raw ingredients. Therefore, a large profit potential exists for the manufacturers andsuppliers of processed food products. Individuals may see a benefit in convenience, but
rarely see any direct financial cost benefit in using processed food as compared to homepreparation. Poor quality ingredients and sometimes questionable processing and
preservation methods detract greatly from the overall benefit gained by individualconsumers.
More and more people live in the cities far away from where food is grown and
produced. In many families the adults are working away from home and therefore there islittle time for the preparation of food based on fresh ingredients. The food industry offers
products that fulfil many different needs: From peeledpotatoesthat only have to be
boiled at home to fully preparedready mealsthat can be heated up in themicrowave oven
within a few minutes.Benefits of food processing include toxin removal, preservation, easing marketing and
distribution tasks, and increasing food consistency. In addition, it increases seasonalavailability of many foods, enables transportation of delicate perishable foods across longdistances, and makes many kinds of foods safe to eat by de-activating spoilage and
pathogenic micro-organisms. Modernsupermarketswould not be feasible without
modern food processing techniques, long voyages would not be possible, and militarycampaigns would be significantly more difficult and costly to execute.
Modern food processing also improves the quality of life forallergists,diabetics, and
other people who cannot consume some common food elements. Food processing canalso add extra nutrients such asvitamins.
Processed foods are often less susceptible to early spoilage than fresh foods, and are
better suited for long distance transportation from the source to theconsumer. Fresh
materials, such as freshproduceand raw meats, are more likely to harbour pathogenicmicro-organisms (e.g. Salmonella) capable of causing serious illnesses.
Drawbacks
In general, fresh food that has not been processed other than by washing and simple
kitchen preparation, may be expected to contain a higher proportion of naturally-
occurring vitamins, fiber and minerals than an equivalent product processed by the food
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industry.Vitamin C, for example, is destroyed by heat and therefore canned fruits have a
lower content of vitamin C than fresh ones.Food processing can lower the nutritional value of foods, and introduce hazards not
encountered with naturally-occurring products. Processed foods often include food
additives, such as flavourings and texture-enhancing agents, which may have little or no
nutritive value, or be unhealthy. Preservatives added or created during processing toextend the 'shelf-life' of commercially-available products, such as nitrites or sulphites,
may cause adverse health effects. Use of low-cost ingredients that mimic the properties of
natural ingredients (e.g. cheap chemically-hardened vegetable oils in place of more-expensive natural saturated fats or cold-pressed oils) have been shown to cause severe
health problems, but are still in widespread use because of cost concerns and lack of
consumer knowledge about the effects of substitute ingredients.Processed foods often have a higher ratio of calories to other essential nutrients than
unprocessed foods, a phenomenon referred to as "empty calories". So-calledjunk food,
produced to satisfy consumer demand for convenience and low cost, are most often mass-
produced processed food products.
Because processed food ingredients are often produced in high quantities and distributedwidely amongst added-value food manufacturers, failures in hygiene standards in 'low-
level' manufacturing facilities that produce a widely-distributed basic ingredient can haveserious consequences for many final products. Consequently, adequate government
regulation of ingredient manufacturers is an essentially important factor in securing the
production of generally-safe processed foods. Blame for failures in the process of foodsafety regulation therefore often fall on the governmental department entrusted with this
task.
Performance parameters for food processing
When designing processes for the food industry the following performance parameters
may be taken into account:
Hygiene, e.g. measured by number of micro-organisms per ml of finished product
Energy consumption, measured e.g. by ton of steam per ton of sugar produced
Minimization of waste, measured e.g. by percentage of peeling loss during the
peeling of potatoes'
Labour used, measured e.g. by number of working hours per ton of finished
product
Minimization of cleaning stops measured e.g. by number of hours between
cleaning stops
Trends in modern food processing
Food processing methods
Common food processing techniques include:
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1. Removal of unwanted outer layers, such as potato peeling or the skinning of
peaches.
2. Chopping or slicing e.g. diced carrots
3. Mincing and macerating
Mincing is acookingtechnique in whichfoodingredientsare finely divided. The
effect is to create a closely bonded mixture of ingredients and a soft or pasty
texture.Flavoringingredients such asgarlic,ginger, and freshherbsmay be
minced to distribute flavor more evenly in a mixture. Additionally bruising of the
tissue can releasejuicesandoilsto deliver flavors uniformly in a sauce.
Mincemeat tartsandPtsemploy mincing in the preparation of moldable paste.
Meat is also minced and this cooking technique is used in Greek cuisine.
Maceration' -- also known as 'macerating' infoodpreparation -- refers tosoftening or breaking into pieces using a liquid.Raw, dried or preservedfruitor
vegetablesare soaked in aliquidto soften and to absorb the flavor of the liquidIn
the case of fruit, they are often just sprinkled withsugar, then left to sit and
release their ownjuices. This process makes the food more flavorful and easier to
chew and digest.Maceration is often confused withmarination(also known as
marinating), which is the process of soaking foods in a seasoned, often acidic,
liquid before cooking.
4.
Liquefaction, such as to produce fruit juice
5. Fermentation e.g. in beer breweries
Fermentation infood processingtypically refers to the conversion ofsugarto
alcoholusingyeast,bacteria, or a combination thereof, underanaerobic
conditions. A more general definition of fermentation is the chemical conversion
ofcarbohydratesinto alcohols oracids. When fermentation stops prior to
complete conversion of sugar to alcohol, astuck fermentationis said to have
occurred. The science of fermentation is known aszymology
6. Emulsification
An emulsion is a mixture of two or moreimmiscible(unblendable) liquids. One
liquid (the dispersedphase) isdispersedin the other (the continuousphase).
Many emulsions are oil/water emulsions, with dietary fats being one common
type of oil encountered in everyday life.
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7. Cooking, such as boiling, broiling, frying, steaming or grilling
Cooking is the process of preparingfoodby applyingheat, selecting, measuring
and combining of ingredients in an ordered procedure for producing safe and
edible food. The process encompasses a vast range of methods, tools and
combinations ofingredientsto alter theflavor, appearance, texture, ordigestibility
of food. Factors affecting the final outcome include the variability of ingredients,
ambient conditions,tools, and the skill of the individual doing the actual cooking.
8. Deep frying
Deep frying is acookingmethod in which food is submerged in hot oil orfat.
This is normally performed with adeep fryerorchip pan; industrially, apressure
fryerorvacuum fryermay be used.
9. Baking
Baking is the technique of prolongedcookingoffoodby dry heat acting by
convection, and not byradiation, normally in anoven, but also in hot ashes, or on
hot stones.[1]It is primarily used for the preparation ofbread,cakes,pastriesand
pies,tarts,quiches, andcookies. Such items are sometimes referred to as "baked
goods,"
10.Mixing
Inchemistry, a mixture is when two or more differentsubstancesare mixed
together but not combined chemically. The molecules of two or more different
substances are mixed in the form of solutions, suspensions, and colloids.
11.Addition of gas such as air entrainment for bread or gasification ofsoft
drinks
12.Proofing
Proofing (also called proving) is the final dough-rise step before baking, and
refers to a specific rest period within the more generalized process known as
fermentation. Fermentation is a step in creatingyeastbreadsandbaked goods
where the yeast is allowed toleaventhe dough.Fermentation rest periods are not
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often explicitly named, and normally show up in recipes as "Allow dough to rise."
Rest periods contrast with work periods when the dough is manipulated by the
baker, some work periods are called mixing, kneading, and folding, as well as
shaping.
13.Spray drying
Spray drying is a method of producing a dry powder from a liquid or slurry by rapidly
drying with a hot gas. This is the preferred method of drying of many thermally-
sensitive materials such as foods andpharmaceuticals. A consistent particle size
distribution is a reason for spray drying some industrial products such as catalysts.Air is the heated drying media; however, if the liquid is a flammable solvent, such as
ethanol, or the product is oxygen sensitivenitrogenis used.
14.Pasteurization
Pasteurization is a process which slows microbial growth in food. The process
was named after its creator,Frenchchemist and microbiologistLouis Pasteur. The
first pasteurization test was completed by Louis Pasteur andClaude Bernardon
April 20,1862. The process was originally conceived as a way of preventingwine
andbeerfrom souring
15.Packaging
Packaging is the science, art and technology of enclosing or protecting products
for distribution, storage, sale, and use. Packaging also refers to theprocess ofdesign, evaluation, and production of packages. Packaging can be described as a
coordinated system of preparing goods for transport, warehousing, logistics, sale,
and end use. Packaging contains, protects, preserves, transports, informs, and
sells. It is fully integrated into government, business, institutional, industry, and
personal use.Package labelling (BrE) or labeling (AmE) is any written, electronic,
or graphic communications on the packaging or on a separate but associatedlabel.
16.Sterilization
Sterilization (or sterilisation, seespelling differences) refers to any process that
effectively kills or eliminates transmissible agents (such asfungi,bacteria,
viruses, spore forms, etc.) from a surface, equipment, article of food or
medication, or biological culture medium.[1][2]
Sterilization does not, however,
removeprions. Sterilization can be achieved through application ofheat,
chemicals,irradiation,high pressureorfiltration.
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Applications
Foods
The first application of sterilization was thoroughcookingto effect the partial heat
sterilization of foods and water, inventorNicolas Appert. Cultures that practice heatsterilization of food and water have longer life expectancy and lower rates of disability.
Canningof foods by heat sterilization was an extension of the same principle. Ingestion
of contaminated food and water remains a leading cause of illness and death in thedeveloping world, particularly for children.
Cost ReductionProfit Incentive drives most of the factors behind any industry; the food industry not least
of all. Health concerns are generally subservient to profit potential, leading the food
processing industry to often ignore major health concerns raised by the use of
industrially-produced ingredients (partially-hydrogenated vegetable oils, for example, a
well-known and well-researched cause of heart disease, that is still commonly used inprocessed food to increase profit margin.) Consumer pressure has led to a reduction in the
use of industrially-produced ingredients in processed food, but the (often slight) potentialfor increased profits has barred widespread accceptance by the industry of recognized
health problems caused by over-consumptiom of processed foods.
Health
Reduction of fat content in final product e.g. by usingbakinginstead ofdeep-fryingin
the production ofpotato chips, another processed foodMaintaining the natural taste of the product e.g. by using less artificial sweetener than
they used before...
Hygiene
The rigorous application of industry and government endorsed standards to minimise
possible risk and hazards. In the USA the standard adopted is HACCP.Lims solutionshelp industry to manage those quality standards.
Efficiency
Rising energy costs lead to increasing usage of energy-saving technologies[2], e.g.
frequency converters on electrical drives, heat insulation of factory buildings and heated
vessels, energy recovery systems, keeping a single fish frozen all the way from China toSwitzerland
Factory automation systems (oftenDistributed control systems) reduce personnel costs
and may lead to more stable production results
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Heat sterilization
Steam sterilization
Front-loading autoclaves
A widely-used method for heat sterilization is theautoclave, sometimes called aconverter. Autoclaves commonly use steam heated to 121 C or 134 C. To achieve
sterility, a holding time of at least 15 minutes at 121 C or 3 minutes at 134 C isrequired. Additional sterilizing time is usually required for liquids and instrumentspacked in layers of cloth, as they may take longer to reach the required temperature
(unnecessary in machines that grind the contents prior to sterilization). Following
sterilization, liquids in a pressurized autoclave must be cooled slowly to avoid boilingover when the pressure is released. Modern converters operate around this problem by
gradually depressing the sterilization chamber and allowing liquids to evaporate under a
negative pressure, while cooling the contents.
Proper autoclave treatment will inactivate allfungi, bacteria, viruses and also bacterialspores, which can be quite resistant. It will not necessarily eliminate allprions.
For prion elimination, various recommendations state 121132 C (270 F) for 60
minutes or 134 C (273 F) for at least 18 minutes. The prion that causes the diseasescrapie(strain 263K) is inactivated relatively quickly by such sterilization procedures;however, other strains of scrapie, as well as strains ofCJDandBSEare more resistant.
Usingmiceas test animals, one experiment showed that heating BSE positivebraintissue
at 134-138 C (273-280 F) for 18 minutes resulted in only a 2.5logdecrease in prioninfectivity. (The initial BSE concentration in the tissue was relatively low). For a
significant margin of safety, cleaning should reduce infectivity by 4 logs, and the
sterilization method should reduce it a further 5 logs.To ensure the autoclaving process was able to cause sterilization, most autoclaves have
meters and charts that record or display pertinent information such as temperature and
pressure as a function of time. Indicator tape is often placed on packages of products
prior to autoclaving. A chemical in the tape will change color when the appropriateconditions have been met. Some types of packaging have built-in indicators on them.
Biological indicators ("bioindicators") can also be used to independently confirm
autoclave performance. Simple bioindicator devices are commercially available based onmicrobial spores. Most contain spores of the heat resistant microbeGeobacillus
stearothermophilus(formerlyBacillus stearothermophilus), among the toughest
organisms for an autoclave to destroy. Typically these devices have a self-contained
liquid growth medium and a growth indicator. After autoclaving an internal glass ampule
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is shattered, releasing the spores into the growth medium. The vial is then incubated
(typically at 56 C (132 F)) for 24 hours. If the autoclave destroyed the spores, themedium will remain its original color. If autoclaving was unsuccessful theB.
sterothermophilus will metabolize during incubation, causing a color change during the
incubation.
For effective sterilization, steam needs to penetrate the autoclave load uniformly, so anautoclave must not be overcrowded, and the lids of bottles and containers must be left
ajar. Alternatively steam penetration can be achieved by shredding the waste in some
Autoclave models that also render the end product unrecognizable. During the initialheating of the chamber, residual air must be removed. Indicators should be placed in the
most difficult places for the steam to reach to ensure that steam actually penetrates there.
For autoclaving, as for all disinfection or sterilization methods, cleaning is critical.Extraneous biological matter or grime may shield organisms from the property intended
to kill them, whether it physical or chemical. Cleaning can also remove a large number of
organisms. Proper cleaning can be achieved by physical scrubbing. This should be done
with detergent and warm water to get the best results. Cleaning instruments or utensils
with organic matter, cool water must be used because warm or hot water may causeorganic debris to coagulate. Treatment withultrasoundor pulsed air can also be used to
remove debris.
Food
Although imperfect, cooking and canning are the most common applications of heat
sterilization. Boiling water kills the vegetative stage of all common microbes. Roasting
meat until it is well done typically completely sterilizes the surface. Since the surface is
also the part of food most likely to be contaminated by microbes, roasting usuallyprevents food poisoning. Note that the common methods of cooking food do not sterilize
food - they simply reduce the number of disease-causing micro-organisms to a level that
is not dangerous for people with normal digestive and immune systems.
Pressure cooking is analogous to autoclaving and when performed correctly renders foodsterile. However, some foods are notoriously difficult to sterilize with home canning
equipment, so expert recommendations should be followed for home processing to avoid
food poisoning.
Food utensils
Dishwashersoften only use hot tap water or heat the water to between 49 and 60 C (120
and 140 F), and thus provide temperatures that could promote bacterial growth. That is
to say, they do not effectively sterilize utensils. Some dishwashers do actually heat water
up to 74 C (165 F) or higher; those often are specifically described as havingsterilization modes of some sort, but this is not a substitute for autoclaving.
Note that dishwashers remove food traces from the utensils by a combination of
mechanical action (the action of water hitting the plates and cutlery) and the action ofdetergents and enzymes on fats and proteins. This removal of food particles thus removes
one of the factors required for bacterial growth (food), it clearly explains why items with
cracks and crevices should either be washed by hand or disposed of: if the water cannot
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get to the area needing cleaning, the warm, moist, dark conditions in the dishwasher can
actually promote bacterial growth.
Bathing
Bathingand washing are not hot enough to sterilize bacteria without scalding the skin.Most hot tap water is between 43 and 49 C (110 and 120 F), though some people set
theirs as high as 55 C (130 F). Humans begin to find water painful at 41 to 42 C (106
to 108 F), which to many bacteria is just starting to get warm enough for them to growquickly; they will grow faster, rather than be killed at temperatures up to 55 C (130 F)
or more.
Dry sterilization process
Dry sterilization process(DSP) uses hydrogen peroxide at a concentration of 30-35%
under low pressure conditions. This process achieves bacterial reduction of 10-6
...10-8
.
The complete process cycle time is just 6 seconds, and the surface temperature isincreased only 10-15 C (18 to 27 F). Originally designed for the sterilization of plastic
bottles in the beverage industry, because of the high germ reduction and the slighttemperature increase the dry sterilization process is also useful for medical and
pharmaceutical applications.
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Food preservation
Food preservation is the process of treating and handlingfoodto stop or greatly slow
down spoilage (loss of quality, edibility or nutritive value) caused or accelerated by
micro-organisms. Some methods, however, use benign bacteria, yeasts or fungi to add
specific qualities and to preserve food (e.g., cheese, wine). Maintaining or creatingnutritionalvalue, texture andflavouris important in preserving its value as food. This is
culturally dependent, as what qualifies as food fit for humans in one culture may notqualify in another culture.
Preservation usually involves preventing the growth ofbacteria,fungi, and othermicro-
organisms, as well as retarding theoxidationoffatswhich causerancidity. It alsoincludes processes to inhibit natural ageing and discolouration that can occur during food
preparation such as theenzymatic browningreaction in apples which causes browning
when apples are cut. Some preservation methods require the food to be sealed after
treatment to prevent recontamination with microbes; others, such as drying, allow food tobe stored without any special containment for long periods.
Common methods of applying these processes includedrying,spray drying,freezedrying,freezing,vacuum-packing,canning, preserving in syrup, sugar crystallisation,
food irradiation, and addingpreservativesor inertgasessuch as carbon dioxide. Othermethods that not only help to preserve food, but also add flavour, includepickling,
salting,smoking, preserving insyruporalcohol,sugarcrystallisation andcuring.
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Method Effect on microbial growth or survival
Refrigeration Low temperature to retard growth
Freezing Low temperature and reduction of wateractivity to prevent microbial growth, slowing
of oxidation reactions
Drying,curingand conserving Reduction inwater activitysufficient to delay
or prevent microbial growthVacuumandoxygenfreemodified
atmospherepackaging
Lowoxygentension inhibits strictaerobes
and delays growth of facultativeanaerobes
Carbon dioxide enriched modified
atmosphere packaging
Specific inhibition of some micro-organisms
Lacticfermentation Reduction of pH value in situ by microbial
action and sometimes additional inhibition by
the lactic andacetic acidsformed and byother microbial products. (e.g. ethanol,
bacteriocins)
Sugarpreservation Cooking in high sucrose concentration
creating too high osmotic pressure for mostmicrobial survival.
Ethanolpreservation Steeping or cooking inEthanolproduces
toxic inhibition of microbes. Can becombined with sugar preservation
Lacticfermentation Reduction of pH value in situ by microbial
action and sometimes additional inhibition by
the lactic andacetic acidsformed and by
other microbial products. (e.g. ethanol,bacteriocins)
Sugarpreservation Cooking in high sucrose concentration
creating too high osmotic pressure for mostmicrobial survival.
Ethanolpreservation Steeping or cooking inEthanolproduces
toxic inhibition of microbes. Can be
combined with sugar preservation
Lacticfermentation Reduction of pH value in situ by microbialaction and sometimes additional inhibition by
the lactic andacetic acidsformed and by
other microbial products. (e.g. ethanol,
bacteriocins)
Sugarpreservation Cooking in high sucrose concentration
creating too high osmotic pressure for mostmicrobial survival.
Ethanolpreservation Steeping or cooking inEthanolproducestoxic inhibition of microbes. Can be
combined with sugar preservation
Emulsification Compartmentalisation andnutrient limitation
within theaqueousdroplets in water-in-oil
emulsion foods
http://en.wikipedia.org/wiki/Refrigerationhttp://en.wikipedia.org/wiki/Refrigerationhttp://en.wikipedia.org/wiki/Freezinghttp://en.wikipedia.org/wiki/Freezinghttp://en.wikipedia.org/wiki/Drying_%28food%29http://en.wikipedia.org/wiki/Drying_%28food%29http://en.wikipedia.org/wiki/Curing_%28food_preservation%29http://en.wikipedia.org/wiki/Curing_%28food_preservation%29http://en.wikipedia.org/wiki/Curing_%28food_preservation%29http://en.wikipedia.org/wiki/Water_activityhttp://en.wikipedia.org/wiki/Water_activityhttp://en.wikipedia.org/wiki/Water_activityhttp://en.wikipedia.org/wiki/Vacuumhttp://en.wikipedia.org/wiki/Vacuumhttp://en.wikipedia.org/wiki/Oxygenhttp://en.wikipedia.org/wiki/Oxygenhttp://en.wikipedia.org/wiki/Oxygenhttp://en.wikipedia.org/wiki/Modified_atmospherehttp://en.wikipedia.org/wiki/Modified_atmospherehttp://en.wikipedia.org/wiki/Modified_atmospherehttp://en.wikipedia.org/wiki/Modified_atmospherehttp://en.wikipedia.org/wiki/Oxygenhttp://en.wikipedia.org/wiki/Oxygenhttp://en.wikipedia.org/wiki/Oxygenhttp://en.wikipedia.org/wiki/Aerobehttp://en.wikipedia.org/wiki/Aerobehttp://en.wikipedia.org/wiki/Aerobehttp://en.wikipedia.org/wiki/Anaerobic_organismhttp://en.wikipedia.org/wiki/Anaerobic_organismhttp://en.wikipedia.org/wiki/Anaerobic_organismhttp://en.wikipedia.org/wiki/Lactic_acidhttp://en.wikipedia.org/wiki/Fermentation_%28food%29http://en.wikipedia.org/wiki/Fermentation_%28food%29http://en.wikipedia.org/wiki/Fermentation_%28food%29http://en.wikipedia.org/wiki/Acetic_acidhttp://en.wikipedia.org/wiki/Acetic_acidhttp://en.wikipedia.org/wiki/Acetic_acidhttp://en.wikipedia.org/wiki/Bacteriocinhttp://en.wikipedia.org/wiki/Bacteriocinhttp://en.wikipedia.org/wiki/Sugarhttp://en.wikipedia.org/wiki/Sugarhttp://en.wikipedia.org/wiki/Ethanolhttp://en.wikipedia.org/wiki/Ethanolhttp://en.wikipedia.org/wiki/Ethanolhttp://en.wikipedia.org/wiki/Ethanolhttp://en.wikipedia.org/wiki/Ethanolhttp://en.wikipedia.org/wiki/Lactic_acidhttp://en.wikipedia.org/wiki/Fermentation_%28food%29http://en.wikipedia.org/wiki/Fermentation_%28food%29http://en.wikipedia.org/wiki/Fermentation_%28food%29http://en.wikipedia.org/wiki/Acetic_acidhttp://en.wikipedia.org/wiki/Acetic_acidhttp://en.wikipedia.org/wiki/Acetic_acidhttp://en.wikipedia.org/wiki/Bacteriocinhttp://en.wikipedia.org/wiki/Bacteriocinhttp://en.wikipedia.org/wiki/Sugarhttp://en.wikipedia.org/wiki/Sugarhttp://en.wikipedia.org/wiki/Ethanolhttp://en.wikipedia.org/wiki/Ethanolhttp://en.wikipedia.org/wiki/Ethanolhttp://en.wikipedia.org/wiki/Ethanolhttp://en.wikipedia.org/wiki/Ethanolhttp://en.wikipedia.org/wiki/Lactic_acidhttp://en.wikipedia.org/wiki/Fermentation_%28food%29http://en.wikipedia.org/wiki/Fermentation_%28food%29http://en.wikipedia.org/wiki/Fermentation_%28food%29http://en.wikipedia.org/wiki/Acetic_acidhttp://en.wikipedia.org/wiki/Acetic_acidhttp://en.wikipedia.org/wiki/Acetic_acidhttp://en.wikipedia.org/wiki/Bacteriocinhttp://en.wikipedia.org/wiki/Bacteriocinhttp://en.wikipedia.org/wiki/Sugarhttp://en.wikipedia.org/wiki/Sugarhttp://en.wikipedia.org/wiki/Ethanolhttp://en.wikipedia.org/wiki/Ethanolhttp://en.wikipedia.org/wiki/Ethanolhttp://en.wikipedia.org/wiki/Ethanolhttp://en.wikipedia.org/wiki/Ethanolhttp://en.wikipedia.org/wiki/Emulsionhttp://en.wikipedia.org/wiki/Emulsionhttp://en.wikipedia.org/w/index.php?title=Nutrient_limitation&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Nutrient_limitation&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Nutrient_limitation&action=edit&redlink=1http://en.wikipedia.org/wiki/Aqueoushttp://en.wikipedia.org/wiki/Aqueoushttp://en.wikipedia.org/wiki/Aqueoushttp://en.wikipedia.org/wiki/Aqueoushttp://en.wikipedia.org/w/index.php?title=Nutrient_limitation&action=edit&redlink=1http://en.wikipedia.org/wiki/Emulsionhttp://en.wikipedia.org/wiki/Ethanolhttp://en.wikipedia.org/wiki/Ethanolhttp://en.wikipedia.org/wiki/Sugarhttp://en.wikipedia.org/wiki/Bacteriocinhttp://en.wikipedia.org/wiki/Acetic_acidhttp://en.wikipedia.org/wiki/Fermentation_%28food%29http://en.wikipedia.org/wiki/Lactic_acidhttp://en.wikipedia.org/wiki/Ethanolhttp://en.wikipedia.org/wiki/Ethanolhttp://en.wikipedia.org/wiki/Sugarhttp://en.wikipedia.org/wiki/Bacteriocinhttp://en.wikipedia.org/wiki/Acetic_acidhttp://en.wikipedia.org/wiki/Fermentation_%28food%29http://en.wikipedia.org/wiki/Lactic_acidhttp://en.wikipedia.org/wiki/Ethanolhttp://en.wikipedia.org/wiki/Ethanolhttp://en.wikipedia.org/wiki/Sugarhttp://en.wikipedia.org/wiki/Bacteriocinhttp://en.wikipedia.org/wiki/Acetic_acidhttp://en.wikipedia.org/wiki/Fermentation_%28food%29http://en.wikipedia.org/wiki/Lactic_acidhttp://en.wikipedia.org/wiki/Anaerobic_organismhttp://en.wikipedia.org/wiki/Aerobehttp://en.wikipedia.org/wiki/Oxygenhttp://en.wikipedia.org/wiki/Modified_atmospherehttp://en.wikipedia.org/wiki/Modified_atmospherehttp://en.wikipedia.org/wiki/Oxygenhttp://en.wikipedia.org/wiki/Vacuumhttp://en.wikipedia.org/wiki/Water_activityhttp://en.wikipedia.org/wiki/Curing_%28food_preservation%29http://en.wikipedia.org/wiki/Drying_%28food%29http://en.wikipedia.org/wiki/Freezinghttp://en.wikipedia.org/wiki/Refrigeration8/2/2019 Final Set-Up of R.P.
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Addition of preservatives such as
nitriteorsulphiteions
Inhibition of specific groups of
micro-organisms
Pasteurizationandappertization Delivery ofheatsufficient to
inactivate target micro-organisms
to the desired extent
Food irradiation(Radurization,
radicidationandradappertization)
Delivery ofionising radiationto
disrupt cellular RNA
Application of high hydrostatic
pressure (Pascalization)
Pressure-inactivation of vegetative
bacteria, yeasts and moulds
Application of high hydrostatic
pressure (Pascalization)
Short bursts of electricity for
microbial inactivation
http://en.wikipedia.org/wiki/Nitritehttp://en.wikipedia.org/wiki/Nitritehttp://en.wikipedia.org/wiki/Sulphitehttp://en.wikipedia.org/wiki/Sulphitehttp://en.wikipedia.org/wiki/Sulphitehttp://en.wikipedia.org/wiki/Pasteurizationhttp://en.wikipedia.org/wiki/Pasteurizationhttp://en.wikipedia.org/wiki/Appertizationhttp://en.wikipedia.org/wiki/Appertizationhttp://en.wikipedia.org/wiki/Appertizationhttp://en.wikipedia.org/wiki/Heathttp://en.wikipedia.org/wiki/Heathttp://en.wikipedia.org/wiki/Heathttp://en.wikipedia.org/wiki/Food_irradiationhttp://en.wikipedia.org/wiki/Food_irradiationhttp://en.wikipedia.org/wiki/Radurizationhttp://en.wikipedia.org/wiki/Radurizationhttp://en.wikipedia.org/wiki/Radurizationhttp://en.wikipedia.org/wiki/Radicidationhttp://en.wikipedia.org/wiki/Radicidationhttp://en.wikipedia.org/wiki/Radappertizationhttp://en.wikipedia.org/wiki/Radappertizationhttp://en.wikipedia.org/wiki/Radappertizationhttp://en.wikipedia.org/wiki/Ionising_radiationhttp://en.wikipedia.org/wiki/Ionising_radiationhttp://en.wikipedia.org/wiki/Ionising_radiationhttp://en.wikipedia.org/wiki/Ionising_radiationhttp://en.wikipedia.org/wiki/Radappertizationhttp://en.wikipedia.org/wiki/Radi