Fat Basis (What is Fat ?)

Sources of Fats (Where is fat found?)

Sources of Fats in picture.

Types of Fats-(Saturated,Unsaturated & Trans).

Importance of Fats.

Analytical Methods To Measure The Constants

Of Fats.

Structure of Faty Acids.

What is fat?

Fat is an essential part of our died & nutration & is a rich source of energy.

Its contains 3 main macronutrientsIts also known as triglycerides.

General formula is

Major sources of FatsFour food groups

Vegetables and Fruit Grain Products Milk and Alternatives Meat and Alternatives

Where is fat found?

1. Easy to see•Fat added to foods• Butter, margarine, oil

•Fat on the outside of foods• Chicken skin, outside trim on meat

2. Hidden• Ingredient • Snack foods, baked products, desserts

•Added in cooking• Fried foods, cream soups, sauces

Sources of Fats in Pictures

Types of Fat

All fat-containing foods have a mixture of different fats

Types of fats include:

Polyunsaturated fats (PUFA)

Monounsaturated fats (MUFA)

Saturated fats (SFA)

Trans fats (TFA)

Saturated Fats• Diets high in saturated fats can

increase the risk of heart disease• Examples: butter, cakes and pastries,

chocolate bars, coconut, coffee whitener are all high in saturated fat

Unsaturated Fatty Acid Those molecules that contain one or more double bonds are said to be unsaturated.

Physical State

STRUCTURE OF FATTY STRUCTURE OF FATTY ACIDSACIDS

IMPORTANCE OF FATSFat is important because:

Fat is a nutrient

It is a source of energy

Essential fatty acids

Proper functioning of nerves & brain

It adds taste and texture to food

It helps us feel full longer

It helps us absorb fat-soluble vitamins A, D, E & K.

Analytical Methods To Measure The Constants Of Fats

1. Acid Value

2. Saponification Value

3. Iodine Value

4. Cholesterol Determination

To know about the process & types of Fats