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8/27/2012 1 Science of Foods for Health FALL 2012 Bhimu Patil Course offered at Texas A&M University (TAMU)-College station Ohio State University Website http://agrilife.org/foodsforhealth/ Website Syllabus and general overview Web discussion: Facebook Go to http://www.facebook.com/login.php Create an account using the “Sign up for facebook” link. After logging in, “search friends” type Phytochemicals.VFIC-click on “search -click on “Add friend”. Once you are added, you will see the class discussions and any new announcements. Closed group discussions Web discussion: Facebook Web discussions: 15 points Web discussion: Facebook A STUDENTS COMMENT “After taking this class and seeing all of the new research that is being done, does anyone think that the dietary guidelines given to the American public will be changing again pretty soon?”

8/27/2012 - Texas A&M AgriLifeagrilifecdn.tamu.edu/.../2012/08/SFFH-Patil-082812.pdf · 8/27/2012 4 Nutrition in Sports Dr. Richard Kreider Professor and Department Head Health and

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  • 8/27/2012

    1

    Science of Foods for Health

    FALL 2012

    Bhimu Patil

    Course offered at

    • Texas A&M University (TAMU)-College station

    • Ohio State University

    Website

    http://agrilife.org/foodsforhealth/

    Website

    Syllabus and

    general overview Web discussion:

    Facebook

    • Go to http://www.facebook.com/login.php

    • Create an account using the “Sign up for facebook” link.

    • After logging in, “search friends” type

    “Phytochemicals.VFIC”

    -click on “search

    -click on “Add friend”.

    • Once you are added, you will see the class discussions

    and any new announcements.

    • Closed group discussions

    Web discussion: Facebook

    Web discussions:

    15 points

    Web discussion: Facebook

    A STUDENTS COMMENT

    “After taking this class and seeing all of the

    new research that is being done, does

    anyone think that the dietary guidelines

    given to the American public will be

    changing again pretty soon?”

    http://www.facebook.com/login.phphttp://www.facebook.com/login.php

  • 8/27/2012

    2

    • Every week all students will participate in discussion of the topic covered during the class. Speakers will be able to answer questions through web

    • Discussion ends on Friday 5:00 PM of each week.

    • Involvement in web discussion will be monitored and several questions will be included in tests from the discussion (web and class).

    Web discussion

    Website

    Class slides, lecture

    archive, reading material

    Website

    Important info on any

    changes to class slides

    Also notified in facebook

    Texas A&M University (Hort 689) Dr. Bhimu Patil (979)862-4521

    Ohio State University (FST 694) Dr. Stephen Schwartz (614) 292-2934

    Site Coordinators

    Teaching Asst.

    Rammohan Uckoo

    [email protected]

    (979)862-4521

    Office time: Tue 4:00-5:00 PM or e-mail or Phone

    Exams and grade:

    Mid Term- 25 Points

    Final Exam- 30 Points

    Term paper & Presentation- 30 points

    Web & Class discussion- 15 Points

    Exam and Office Time

    Total 100 Points

    Term paper guidelines

    Topic of your interest from the following options:

    •Phytochemical/s variation due to growing location,

    •Season, variety,

    •Parts used,

    •Mechanism of action,

    •Bio-availability, toxicity,

    •Beneficial effects on health such as cancer and

    chronic diseases.

    Minimum 10 pages (excluding literature)

    mailto:[email protected]

  • 8/27/2012

    3

    Presentation evaluation

    Will be evaluated by your peers :

    •Eye contact

    •Body language

    •Subject knowledge

    • Title term paper/presentation:

    – September 11, 2012 at 5:00 PM

    • Final term paper:

    – November 4, 2012 at 8:00 PM

    Important dates

    • Mid term:

    - October 11, 2012 (2.00pm-3.30pm)

    • Final exam:

    -December 7th, 2012 (2.00pm-3.30pm)

    Emphasis : Foods for health

    Structure activity relationship

    Pre & post harvest strategies to enhance bioactives

    Evidences : benefits of bioactives

    Effective dissemination: science of foods for health

    Modulation of bioactives by processing

    Biosynthesis & dietary delivery of bioactives

    Course Outline Course Director

    Structural and Functional Relationships-

    Limonoids

    Characterization of Bioactive Compounds

    Dr. Bhimu Patil,

    Professor and Director Vegetable and Fruit Improvement Center

    Dept. of Horticultural Sciences

    Texas A&M University

    College Station, TX 77845

    [email protected] (979)458-8090

    Dr. V.M. Balasubramaniam Associate Professor

    Department Food Science &

    Technology

    Ohio State University,

    Columbus, OH

    Innovative methods for maintaining bioactive compounds

    Dr. Neil Knobloch Associate Professor

    Dept of Youth Development and

    Agriculture Education

    Purdue University, West Lafayette, IN

    Science Education and Policy Framing the Problem;

    Learning and Educational Strategies

  • 8/27/2012

    4

    Nutrition in Sports

    Dr. Richard Kreider Professor and Department Head

    Health and Kinesiology

    Texas A&M University

    College Station, TX 77845

    Dr. Suzanne Hendrich Professor, Dept. of Food Science and

    Human Nutrition

    Iowa State University,

    Ames, IA

    Chemistry and Biochemistry Structural & Functional Relationship-Phytosterols, Carotenoids & Phenolics, Dietary Supplements

    Dr. Diane Birt Director and Professor

    Center for Research on Botanical Dietary

    Supplements

    Iowa State University,

    Ames, IA

    Chemistry and Biochemistry Structural & Functional Relationship-Phytosterols, Carotenoids & Phenolics, Dietary Supplements

    Dr. Tong Wang Associate Professor

    Department of Food Science and Human

    Nutrition

    Iowa State University,

    Ames, IA

    Chemistry and Biochemistry Structural and Functional Relationship- Phytosterols, Carotenoids and Phenolics

    Dr. G. K. Jayaprakasha Research Associate Professor,

    Vegetable and Fruit Imp. Center,

    Dept. of Horticultural Sciences,

    Texas A&M University,

    College Station, TX

    Chemistry and Biochemistry Characterization of Bioactive Compounds

    Dr. Kevin Crosby Associate Professor

    Dept. of Horticultural Sciences

    Texas A&M University,

    College Station, TX

    Pre and Post harvest Factors Breeding and Plant Genetics

  • 8/27/2012

    5

    Dr. David Byrne Professor,

    Department of Horticultural Sciences,

    Texas A&M University,

    College Station, TX

    Pre and Post harvest Factors Breeding and Plant Genetics

    Dr. Daniel Leskovar Professor,

    Dept. of Horticultural Sciences.

    Texas A&M University,

    College Station, TX

    Pre and Post harvest Factors Crop management strategies to improve bioactives

    Dr. John L. Jifon Associate Professor

    Department of Horticultural Sciences

    Texas AgriLIFE Research,

    Weslaco, TX

    Pre and Post harvest Factors Crop management strategies to improve bioactives

    Dr. Manju Reddy Professor,

    Dept. of Food Science and Human

    Nutrition,

    Iowa State University, Ames, IA

    Health and Disease Evidence based justification- Cardiovascular diseases

    Dr. Monica Guisti Assistant Professor

    Department Food Science &

    Technology

    Ohio State University,

    Columbus, OH

    Health and Disease Modulators of health efficacy of bioactives

    Dr. Steven Schwartz Professor and Director

    Center for Advanced Functional Foods

    Research and Entrepreneurship

    Department of Food & Nutrition

    Ohio State University,

    Columbus, OH

    Health and Disease Carotenoids, human health & bioavailability

  • 8/27/2012

    6

    Dr. Luke Howard Professor

    Department of Food Science

    University of Arkansas

    Fayettivile, AR

    Health and Disease Current functional foods trends

    Dr. Luis Cisneros-Zevallos Associate Professor

    Department of Horticultural

    Sciences

    Texas A&M University

    College Station, TX

    Pre and Post harvest Factors Processing effects on bioactives

    Berries in cancer prevention

    Dr. Steven K. Clinton Professor, Dept. of Internal Medicine,

    Comprehensive Cancer Center

    Director, Molecular Carcinogenesis and

    Chemoprevention program

    Ohio State University,

    Columbus, OH

    Dr. Hishashi Koiwa Associate Professor

    Dept. of Horticultural Sciences

    Texas A&M University

    College Station, TX

    Chemistry and Biochemistry Biosynthesis of secondary metabolites

    Dr. Yael Vodovotz Associate Professor

    Dept. of Food Science &

    Technology

    Ohio State University,

    Columbus, OH

    Health and Disease Food based targeted delivery systems for disease prevention

    Dr. Helen Jensen Professor of Economics,

    Center for Agriculture and Rural

    Development, Iowa State

    University, Ames, IA

    Science Education and Policy

    Evolution of Science to Policy

  • 8/27/2012

    7

    Overview

    Linking scientific

    justifications of foods in

    human health….

    • Chronic diseases

    • Primary factors responsible for chronic diseases

    • Role of phytochemicals

    • Role of food in prevention of diseases

    • Case studies

    • Consumers dilemma

    Overview

    Social well

    being

    Protect the

    environment

    Provide significantly

    to the economy Aesthetics

    Protect from chronic

    diseases

    Reduce stress

    Maintain

    human health

    Culinary

    Benefits of Horticulture: beyond science…..

    Eat Your

    Fruits and

    Veggies….

    Mother always told us……..

    But

    why.?

    Role of Horticulture: scientific proof is evolving…

    Social well

    being

    Protect the

    environment

    Provide significantly

    to the economy Aesthetics

    Reduce stress

    Culinary

    Heart

    Ageing

    Skin Health

    Osteoporosis

    Cancers

    Colon

    Pancreas

    Breast

    Prostate…….

    Eat your fruits and veggies, but why.?

    • Incidences of chronic

    disease

    – Mortality by chronic

    diseases 35 million

    – 80% of occurrences in

    developing countries

    WHO-2008;Int. J. Epidemiol. 2006) 35: 492-494.

    CDC 2007

    • Cancer and CVD accounts

    for approximately >64% of

    all deaths in the USA

    CVD33%

    Cancer31%

    Cerebrovascular7%

    Respiratory7%

    Accidents7%

    Other15%

    Cancer 31%

    CVD 33%

    •12.7 million cancer cases

    around the world in 2008

    - 6.6 m in men

    - 6.0 m in women

    - Expected to increase to

    21 m by 2030

    Current scenario: Human fatalities

  • 8/27/2012

    8

    . Source: American Cancer Society, 2010

    86220

    32050

    26580

    18770

    12720

    12660

    11650

    10710

    10410

    8210

    Lung

    Prostate

    Colon

    Pancreas

    Liver

    Leukemia

    Esophagus

    Non Hodgkin

    Urinary

    Kidney

    1) Lung 2) Prostate

    3) Colon

    4)Pancreas

    MALE

    71080

    39840

    24790

    18030

    13850

    9500

    9180

    7950

    6190

    5720

    Lung

    Breast

    Colon

    Pancreas

    Ovary

    Non Hodgkin

    Leukemia

    Uterine corpus

    Liver

    Brain

    1) Lung 2) Breast

    3) Colon

    4) Pancreas

    FEMALE

    217730

    116750

    72090

    52760

    38870

    35380

    35370

    25420

    24690

    21370

    Prostate

    Lung

    Colon

    Urinary

    Melanoma

    Non Hodgkin

    Kidney

    Oral

    Leukemia

    Pancreas

    2) Lung

    MALE

    Source: American Cancer Society, 2010

    207090

    105770

    70480

    43470

    33930

    30160

    29260

    22870

    21880

    21770

    Breast

    Lung

    Colon

    Uterine corpus

    Thyroid

    Non-Hodgkin

    Malanoma

    Kidney

    Ovary

    Pancreas

    2) Lung

    FEMALE

    Unhealthy

    diet

    47

    Unhealthy

    diet

    Tobacco

    use

    •High

    carbohydrates

    •Low F&V intake

    •Malnourishment

    •Direct and passive smoking

    •Leading cause of cancer

    Primary factors responsible

    for chronic diseases

    CVD Physical

    inactivity

    48 0 50000 100000 150000 200000

    Smoking

    Overweight and obesity

    Diet

    Lack of exercise

    Occupation

    Viruses

    Family history

    Alcohol

    UV and ionizing radiation

    Prescription drugs

    Reproductive factors

    Pollution

    Colditz et al., Sci Transl Med 4, 127rv4 (2012);

    Factors influencing cancer:

    Potential for prevention

    75%

    50%

    50%

    50%

    85%

    50%

    100%

    50%

    50%

    50%

    0%

    0%

    Total potential

    reduction 54.5%

  • 8/27/2012

    9

    Paleolithic era (2.5 million years ago)

    Agriculture age (10,000 years ago)

    Industrial revolution (250 years ago)

    Meat Carbohydrates

    (grains)

    High Carbohydrates Vegetable oils, Transfats LOW Physical exercise

    (www.seedtheseries.com)

    Evolution of mankind & dietary habits Food pyramid/My Plate

    2011: MyPlate USDA’s food guide pyramid 2005

    WHY FRUITS AND

    VEGETABLES ?

    51

    Heart disease

    Human mortality in US: 1935-2010

    (CDC, 2010)

    Well Balanced Diet

    52

    • Micronutrients-Good Health

    • Essential-nutritional disorders

    – 17 minerals and 13 vitamins

    – 250 m Vitamin A Deficiency

    – 2 billion iron deficiency

    – 1.5 billon iodine deficiency

    – Poor eating habit in developed

    countries

    • Non Essential-promoting good

    health

    • Macronutrients-Energy

    (Carbohydrates, lipids and

    proteins)

    800 million people do not have

    in their diet

    DellaPenna 1999, Science

    80,000-10,000 Bioactive Compounds/phytochemicals

    “Extranutritional” constituents that typically are naturally

    occurring in small quantities in plant products and lipid rich foods. Kitts, 1994 Can J. Physiol Pharmacology 1994

    Light stress Climate stress

    Water, nutrients, salt

    stress

    Disease,

    Insects

    stress

    Fruits and Vegetables: Secondary

    metabolites

    REACTIVE OXYGEN SPECIES

    Carotenoids

    Limonoids

    Tanins

    Fruits and Vegetables: Phytochemicals

    Flavonoids Capsiacinoids

    Anthocyanins

  • 8/27/2012

    10

    a

    • Breeding

    –Traditional

    –Biotechnology

    • Varietal Selection

    • Environment

    • Production

    • Postharvest

    • Processing/Packaging

    Strategies for Nutrition Security

    Nutrition

    Toxicology

    Pharmacology

    Medical

    Science

    • Bioavailability

    • Toxicity

    • Drug interaction

    • Metabolism

    • Gut microbiota

    Horticulture

    Food Science

    • Prevention &

    Control

    • Epidemiological

    studies

    • Population

    studies

    • Public health

    Breeding for nutritional quality:

    Challenges

    1. Paradigm shift

    2. Justification of improved nutrition

    3. The levels that can be increased are low

    4. Understand the potential impact on age

    groups

    5. Is it cost effective…?

    - Shift in focus from production to integration

    of multi-disciplines

    - Plant breeders need to collaborate with

    nutritionists

    - Evidences are the only driving force - Explore advanced biotechnology

    techniques

    - Increase intake F&V

    Dellapenna (1999), Science, 285:375

    CASE STUDIES

    DEVELOPING

    COUNTRIES

    DEVELOPED

    COUNTRIES

    • Have high content of

    – Vitamin C,

    – Dietary fiber

    – Lutein

    – Glucosinolates

    Broccoli (Brassica oleracea)

    Glucosinolates

    Gut

    microbes

    Digestion

    Sulphurophane Anti cancer

    activity

    Broccoli/ Sulfuraphane

    Breeding

    Cell culture

    Human

    clinical

    Sulfuraphane reduced the size of primary

    mammospheres

    Li et al., Clin Cancer Res 2010;16:2580-2590

    • Treatment: 459 (First time confirmed adenomas)

    • Control: 507 (No polyp detected)

    • Results:

    Breeding

    Cell culture

    Human

    clinical

    Broccoli: Case Control study

    Never 1-3/month 1/week >1/week

    Odds Ratio 1.00 0.62 0.65 0.47

    Intake frequency (servings)

    Mean

    serving 0.00 0.50 1.00 3.70

    Conclusion: Prevalence of colorectal adenomas was

    lowest among people with high broccoli intake

    Lin et al.,(1998) Cancer Epidemiol Biomarkers Prev;7:647-652.

  • 8/27/2012

    11

    Breeding

    Cell culture

    Human

    clinical

    Breeding Broccoli

    0

    5

    10

    15

    20

    25

    30

    Aliphatic-GS Glucoraphanin Indoyl GS

    Majestic SU003 VI-158

    m.m

    ol.

    /g

    free

    ze d

    ried

    Bro

    colli

    flo

    rets

    Brown et al., (2002) J. Amer. Soc. Hort. Sci. 127 (5)

    Broccoli breeding for health

    QR

    In

    du

    cti

    on

    Ra

    tio

    (Tre

    atm

    en

    t/C

    on

    tro

    l)

    0

    1

    2

    3

    4

    0.001 0.01 0.1

    Plant extract (mg/mL)

    1

    Green Duke Double Haploid

    (GD DH)

    GD DH × B.drepanensis

    GD DH × B.villosa

    GD DH × B.atlantica

    Breeding

    Cell culture

    Human

    clinical

    Faulkner et al.,Carcinogenesis 19:605–609, (1998)

    Broccoli breeding for health

    (Source: http://www.beneforte.com/ accessed on 07/23/2012)

    Phase II Enzyme

    GST, QR, UDPGT

    Conjugated product

    Phase I Enzymes

    CYP’s

    Ultimate

    Carcinogen

    DNA DAMAGE

    EXCRETION

    Pro

    Carcinogens

    (adapted and modified from Wilkinson & Clapper 1997)

    Perez et al., J. Agric. Food Chem. 2009, 57, 5279-5286.

    65

    Limonoids: induction of phase II enzymes..?

    Deacetyl nomilin

    Nomilin

    Isoobacunoic acid

    Citrus limonoids: Quninone

    Reductase activity

    QR

    Acti

    vit

    y

    (u

    nit

    s/ m

    g p

    rote

    in)

    0.0

    0.5

    1.0

    1.5

    2.0

    2.5

    Liver Lung

    Control

    Mixture

    Nomilin

    Deacetylnomilin

    Isoobacunoic acid230%

    Percentages given

    when inductions

    Statistically

    significant (p

  • 8/27/2012

    12

    200%

    22% *

    0

    2

    4

    6

    8

    10

    12

    14

    16

    18

    20

    Intestine Stomach

    Control

    Mixture

    Nomilin

    Deacetylnomilin

    Isoobacunoic acid

    QR

    Acti

    vit

    y

    (u

    nit

    s/ m

    g p

    rote

    in)

    Citrus limonoids: Quninone

    Reductase activity

    Perez et al., 2010- BMC J. Compl. Medicine and alternative, 10:51.

    • Problem statement:

    – Vitamin A (VA) deficiency causes over 600000

    deaths per year

    • Origin: South America

    – Introduced in Africa in 16th century

    – Introduced in USA in 20th century

    – China produces 80% of the world total output

    (primarily for starch-noodles)

    • Salient features:

    – Can grow in tropical, sub-tropical and

    temperate regions

    Case study: Orange Sweet Potato (OSP)

    (Burri (2011), Comprehensive Review In Food Science & Food Safety ,10:118-130)

    Breeding for nutritional quality:

    Breeding

    0

    40

    80

    120

    160

    200

    µg

    /g d

    ry w

    t

    (Simonne et al., (1993) J Food Compositional Analysis, 6: 336-345)

    BREEDING FOR DIETARY

    REQUIREMENTS

    OSP vs Golden rice

    Orange sweet potato

    High β-carotene Golden rice

    High β-carotene

    Maximum content:

    36.7µg/g

    Paine et al., 2005, Nature

    Biotech. Vol:23

    Maximum content:

    >300µg/g

    0

    50

    100

    150

    200

    250

    300

    350

    Fresh Boiled Steamed Deep-fried

    Processing effects

    All

    -tra

    ns-β

    -ca

    rote

    ne

    (m

    g/g

    DM

    )

    Orange Sweet Potato : SPK004/6 Cultivar

    Bengtsson et al., (2008)J. Food Composition Analysis ,21:134–143

    • Study design: – randomized control 5-10 y old children

    – 90 treatment (OFSP) & 90 control (WFSP)

    – 125 g of boiled and mashed potato

    – Study period: 53 days

    • Results: – Significantly improved vitamin A liver

    stores in the treatment group than in the

    control group

    Picture source: agfax.net

    OSP: Human intervention study

    Van Jaarsveld eta l., (2005) Am. J. Clin. Nutr.81(5)

  • 8/27/2012

    13

    OSP: Human intervention study

    Successful

    Intervention in 741

    households

    Factors with highest impact

    0.0

    0.2

    0.4

    0.6

    0.8

    1.0

    1.2

    Variety Oil Growing

    factors

    Cooking Consumer

    % I

    mp

    ac

    t o

    n s

    uc

    ce

    ss o

    f S

    we

    et

    po

    tato

    pro

    gra

    m

    BREEDING

    HAS THE

    HIGHEST

    IMPACT

    (Burri (2011), Comprehensive Review In Food Science & Food Safety ,10:118-130)

    Sweet Potato: Nutritional labeling in USA

    Name Bioactive Technique Initial Altered Reference

    Rice β-carotene BT 0 37 µg/g Paine et al., 2005

    Tomato Monoterpene

    (Linalool)

    BT 0 187 ng/g FW Lewinsohn et al.,

    2001

    Tomato β-carotene BT 0.2 1 mg/g

    DW

    Apel and Boch.,

    2009

    Tomato Flavonols

    (Quercitin)

    BT 0.25 16.52 mg/g DW Muir et al., 2001

    Onion Total flavonols TR 79-431 228-675 mg/kg Smith et al., 2003

    Potato Anthocyanins-

    (Peonidin-

    Pelargonidin)

    BT 5-50 40-290 mg/100g

    DW

    Stobiecki et al.,

    2003

    Brocolli Glucosinolate TR 7.1 154 µmoles/g

    Dw

    Faulkner et al.,

    1998

    Tupa

    melon

    β-carotene TR 0.76 2.04 µg/ml Haponik et al.,

    2003

    Breeding for nutritional quality:

    35,000 BC Fruits, nuts, roots were being gathered for food

    3,500 BC Pomegranate was one of the first cultivated fruits.

    3,000 BC Potato cultivation in Andes mountains

    870 B.C. First evidence of breeding (Date palm)

    1831 β-carotene was first isolated by Wackenroder

    1912

    Funk and Sir Fredrick Hopkins proposed Vitamin hypothesis of

    deficiency. Beginning of NUTRITIONAL SCIENCES

    1919 β-carotene linked to Vitamin A by Steenbock

    1930 β-carotene was first Vitamin to be structurally elucidated Karrer

    1942 Schuphan suggested breeding Carrots for β-carotene

    1950 First time β-carotene synthesized

    1998 BetaSweet' is a new “designer” carrot by Leonard Pike

    2012 First clinical trial of ‘Betasweet’

    Timeline of breeding for healthful fruits

    and vegetables

    Consumers Interests:

    Traditional or Transgenics …?

    ? $

    GOOD NEWS….!

    BUT

    “by moving genes from within

    the species, as opposed to

    across species”.

    “Consumers are willing to pay

    significantly more for fresh

    produce with labels signaling

    enhanced levels of antioxidants

    and vitamin C”

    Colson et al.,(2011), J Agri. Resour. Econ. 36(2):343–364

  • 8/27/2012

    14

    Fruits & Vegetables or Supplements….?

    OR

    Ancient Knowledge/ Epidemiological studies

    In vitro / In vivo -Animal studies

    Molecular mechanisms-

    (Cell culture studies…)

    Human Clinical trials

    (Randomized Controlled,

    Case Control and Cohort)

    Meta analysis

    Successful

    compound/molecule

    Millions

    Very Few

    Hundreds

    Food and Bioactives ladder: Road to success

    Meta analysis Human clinical studies

    Cell culture, Animal Studies

    Epidemiological evidences/

    Ancient knowledge

    Case study: β-carotene

    • Background – β carotene Vitamin A

    • Design – Randomized, double-blinded, placebo-controlled

    chemoprevention trial,

    – 30 mg of β carotene and 25000 IU retinyl palmitate

    – Daily: 18314 men and women

    – Study period : 1983-1996

    Intestine

    enzymes

    Carotene and Retinol Efficacy Trial

    (CARET): 1996

    • Results

    – Study stopped 21 months early

    – 28 % more lung cancer

    – 17% more deaths

    • Conclusions

    – No chemopreventive benefit

    – Excess lung cancer incidence and mortality

    • Implications – Current smokers and asbestos-exposed workers,

    should be discouraged from taking supplemental β-

    carotene (and the combination of β-carotene with

    vitamin A).

    – Safety and efficacy should be demonstrated before

    recommending use of vitamin supplements in any

    population.

    ( J Natl Cancer Inst 1996;88:1550-9 )

  • 8/27/2012

    15

    Objective To determine if the effects of beta-carotene continued after

    participants stopped taking the supplements

    Results

    – Men: No increase in mortality

    – Women: 12% increase in Lung cancer (not statistically significant)

    – 33% increase in lung cancer

    – 37% increase in mortality (any cause)

    – 44% increase in mortality by CVD

    SMOKERS……?

    CARET: Follow up- 2001

    Study design:

    29,133 male smokers in Finland

    50 mg alpha-tocopherol

    20 mg of beta-carotene

    • 876 cases of lung cancer incidence

    • Higher incidence –Beta carotene (18%)

    • No interaction between AT and BC

    • Mortality 8% higher in BC due to

    lung cancer and ischemic stroke

    Kaplan-Meier Curves for the

    Cumulative Incidence of Lung

    Cancer among Participants

    N Engl J Med 1994;330:1029-1035

    ATBC study

    Beta-carotene in multivitamins and the possible risk of lung

    cancer among smokers versus former smokers

    Meta-analysis of beta-carotene effect among all participants.

    OR indicates odds ratio; 95% CI;

    Tanvetyanon & Bepler (2008). Cancer 113: 150-157

    β-carotene- Meta analysis- All Participants

    Meta-analysis of beta-carotene effect among participants

    who were current smokers.

    OR indicates odds ratio; 95% CI, 95% confidence interval

    Tanvetyanon & Bepler (2008). Cancer 113: 150-157

    β-carotene- Meta analysis- Current Smokers

    SUPPLEMENTS

    OR FRUITS & VEGETABLES

    Cancer Ischemic

    stroke Meta

    analysis

    Certain

    cancers

    ? ? ? β- carotene

    Antioxidant

    Boost immunity

    Hepatoprotective

    Helps in vision

    Stroke

    Photoprotective

    Prevent aging

    Helps in prevention

    of skin cancer

    β-carotene -other health benefits

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    16

    Beta-carotene effective as sunburn protector: meta-analysis Oral supplements of beta-carotene may protect against sunburn, and the

    longer the supplementation period the greater the protection, says a

    new meta-analysis.

    Köpcke and Krutmann Photochemistry and Photobiology . 84, (2) 284-288

    Forest plot for meta-analysis of β-carotene supplementation vs placebo on sunburn protection

    β-carotene - Meta analysis- Good News

    European Prospective Investigation of Cancer

    EPIC STUDY

    • The LARGEST study of diet and

    health ever undertaken

    (ONGOING)

    • Involves over ½ million people

    in 10 countries

    • GOAL: Produce specific

    information about the effect of

    diet on long-term health than

    previous studies

    Buchner et al., Cancer Causes Control (2010) 21:357–371

    EPIC study: F&V consumption

    decreases lung cancer incidence

    Study period: 8.7 years (1991-2000)

    No. of subjects: 521,468

    Age: 25-70 years

    After mean:

    follow up 1830 diagnosed with 1st incident lung cancer

    Results: 100g/day = 6% reduction in lung cancer RR:0.89

    100g/day = Lung cancer RR:0.93 Smokers

    100g/day = Squamous cell carcinoma RR:0.93 Smokers

    Buchner et al., Cancer Causes Control (2010) 21:357–371

    No. of

    studies

    No. of

    subjects

    Overall

    OR

    Fruit Intake 16 65802 0.51 (0.40, 0.65)

    Vegetable

    Intake 15 57993 0.50 (0.38, 0.65)

    Citrus fruit 7 5638 0.38 (0.26, 0.56)

    Green

    vegetables 7 5015 0.53 (0.40, 0.70)

    Intake of F&V and the risk of Oral Cancer:

    META-ANLAYSIS

    Pavia et al., (2006)Am J Clin Nutr.;83(5):1126-34

    “Conclusion: Consumption of F&V is associated with a reduced risk of oral cancer.

    VEGETABLES FRUITS

    Case-control Cohort Case-control Cohort

    Mouth and pharynx NS ? ↓ ?

    Larynx NS ? ↓ ?

    Esophagus ↓ ? ↓ ?

    Breast ↓ NS NS NS

    Lung ↓ NS ↓ ↓

    Bladder NS NS ↓ ↓

    Stomach ↓ NS ↓ NS

    Colorectum ↓ NS ↓ NS

    Intake of F&V and the risk of Cancers:

    META-ANLAYSIS

    ↓, significant protective effect; NS, non significant protective effect.

    Riboli & Norat, (2003) Am J Clin Nutr, 78: 559-569

    0

    20

    40

    60

    80

    100

    147 253 346 460 673

    Su

    bje

    cts

    wit

    h

    isc

    he

    mic

    str

    ok

    e

    Total (mean) fruit and

    vegetable intake (g/day)

    “Conclusion: An increased intake of

    fruit may reduce the risk of ischemic

    stroke”.

    Intake of F&V and the risk of ischemic stroke:

    COHORT study

    Johnsen et al., (2003)Am J Clin Nutr ;78:57–64

    No. of subjects : 54,506 men and women

    Study period : 1993 to 1997

    Among specific fruits & Vegetables:

    Citrus and leafy vegetables

    significantly reduced risk of ischemic

    stroke

  • 8/27/2012

    17

    Intake of F&V and the risk of ischemic stroke:

    META-ANLAYSIS

    Feng et al.,

    (2006), Lancet

    367: 320–26 0·89 0·74

    Joshipura et al (WOMEN)

    Joshipura et al (MEN)

    Hirvonen et al

    Bazzano et al

    Sauvaget et al

    Keli et al

    Gillman et al

    Pooled relative risk

    Johnsen et al

    Steffen et al

    0.5 1.0 2.0 5.0 0.2

    CONCLUSION

    Higher intake of

    fruit and

    vegetables is

    associated with a

    lower risk of

    stroke

    3 servings

    5 servings

    Relative risk

    SUPPLEMENTS

    OR FRUITS & VEGETABLES

    Cancer Ischemic

    stroke

    Meta

    analysis

    Certain

    cancers

    Role of specific fruits and vegetables ………….?

    Consumer Preferences

    Market

    trends

    Sensory

    Evaluation

    Color,

    Flavor,

    Quality

    Nutrition

    (healthful nutrients)

    Enhancing bioactive

    compounds, shelf life,

    Bioaccessability and

    bioavailability

    Quality (Color, Flavor), Nutrition

    Impact on quality and nutrition

    [CA, TX, OSU, FL, AZ, NH]

    Outreach

    Crop Management and Food

    Safety

    Breeding, Genetics, Genomics

    Nutrition Science Medical Science

    Characterization of

    Bioactives

    Biotechnology Breeding and

    Genetics Plant Physiology

    Post-Harvest &

    Processing

    INTEGRATION OF

    SCIENCES

    Education and

    Economics

    Consumer/

    Stakeholder

    Field Selection

    Sorting

    Processing

    Extraction

    Chemical

    Analysis

    Bioactivity

    Analysis

    New Varieties

    Human Intervention

    Trials

    Clinical

    Trial

    56

    Carrot- Breeding to Clinic a

    • Breeding

    –Traditional

    –Biotechnology

    • Varietal Selection

    • Environment

    • Processing

    Strategies for Nutrition Security:

    CHALLENGES

    Nutritional

    Sciences

    Health

    Sciences

    • Bioavailability

    • Toxicity

    • Drug interaction

    • Metabolism

    • Gut microbial

    • Packaging/

    Storage

    Horticultural

    Sciences

    • Prevention &

    Control

    • Epidemiological

    studies

    • Population

    studies

    • Public health

    SILO SILO SILO

  • 8/27/2012

    18

    Strategies for Nutrition Security

    1) Educating future generations

    -Children to adults

    2) Showcasing results with stakeholders

    70

    College Station

    Michigan

    Weslaco

    Dallas

    Indianapolis

    Multi state & Multi disciplinary

    Education

    Dallas

    72

    For more information contact:

    Texas A&M University

    Dr. Bhimu Patil

    Vegetable & Fruit Improvement Center,

    Department of Horticultural Sciences,

    979-458-8090, [email protected]

    Iowa State University

    Dr. Diane Birt

    515-294-9873, [email protected]

    Ohio State University

    Dr. Steven Schwartz

    614-292-2934, [email protected]

    Dr. Neil KnoblochAssociate ProfessorDept of Youth Development and Agriculture Education

    Purdue University, West Lafayette, IN

    Framing the problem;

    Learning and educational strategies

    Dr. Peter JonesDirector and Professor

    Richardson Centre for Functional

    Foods and Nutraceuticals,

    University of Manitoba, Winnipeg, MB

    Evolution of naturally

    occurring compounds

    Dr. Helen JensenProfessor of Economics

    Center for Agriculture and

    Rural Development, Iowa State

    University, Ames, IA

    Evolution of Science to Policy

    Dr. Luis Cisneros-ZevallosAssociate Professor

    Dept. of Horticultural Sciences

    Texas A&M University

    College Station, TX

    Processing effects on bioactives

    Dr. David ByrneProfessor

    Dept. of Horticultural Sciences,

    Texas A&M University,

    College Station, TX

    Breeding and Plant

    Genetics

    Dr. Daniel LeskovarProfessor and Director

    Texas AgriLIFE Research,

    Uvalde, TX

    Crop management

    Strategies to optimize

    bioactives

    Dr. John L. JifonAssociate Professor

    Dept. of Horticultural Sciences

    Texas AgriLIFE Research,

    Weslaco, TX

    Crop Management

    Strategies to optimize

    bioactives

    Dr. Kevin CrosbyAssociate Professor

    Dept. of Horticultural Sciences

    Texas A&M University,

    College Station, TX

    Breeding and Plant

    Genetics

    Dr. Bhimu Patil,

    Professor and DirectorVegetable and Fruit Improvement Center

    Dept. of Horticultural Sciences

    Texas A&M University

    College Station, TX 77845

    Structural and Functional Relationships-

    Characterization of Bioactive Compounds

    Dr. Luke HowardProfessor

    Dept. of Food Science

    University of Arkansas

    Fayettivile, AR

    Current functional foods

    trends

    Dr. Steven J. SchwartzProfessor and Director

    Center for Advanced Functional

    Foods Research and

    Entrepreneurship

    Ohio State University, Columbus, OH

    Carotenoids, human health

    and bioavailability

    Dr. M. Monica GiustiAssistant Professor

    Dept. of Food Science &

    Technology

    Ohio State University,

    Columbus, OH

    Bioactivity of

    anthocyanins

    Dr. Manju ReddyProfessor

    Dept. of Food Science and Human

    Nutrition,

    Iowa State University, Ames, IA

    Evidence based justification-

    Cardiovascular diseases

    Dr. Suzanne HendrichProfessor

    Dept. of Food Science and Human

    Nutrition

    Iowa State Uninversity, Ames, IA

    Structural and Functional

    Relationship

    Dr. Hisashi KoiwaAssociate Professor

    Vegetable and Fruit Imp. Center,

    Dept. of Horticultural Sciences

    Texas A&M University

    College Station, TX

    Biosynthesis

    Dr. Diane BirtDirector and Professor

    Center for Research on Botanical

    Dietary Supplements

    Iowa State University, Ames, IA

    Structural and Functional

    Relationship

    Dr. Tong WangAssociate Professor

    Dept. of Food Science and Human

    Nutrition

    Iowa State University, Ames, IA

    Structural and Functional

    Relationship

    Dr. G. K. JayaprakashaResearch Associate Professor

    Vegetable and Fruit Imp. Center,

    Dept. of Horticultural Sciences,

    Texas A&M University,

    College Station, TX

    Characterization of Bioactive Compounds

    A multi-disciplinary course taught by

    internationally renowned scientists in the area of

    health promoting foods.

    Unique course for graduate students interested in

    the science of “food” and “human health”

    Interactive “social learning” through web

    discussions.

    Science Education and Policy

    Pre and Post Harvest FactorsChemistry and Biochemistry

    Health and Disease

    Dr. Richard KreiderProfessor and Department Head

    Dept. of Health & Kinesiology

    Texas A&M University,

    College Station, TX

    Nutrition in sports

    Dr. Yael VodovotzAssociate Professor

    Dept. of Food Science &

    Technology

    Ohio State University,

    Columbus, OH

    Food based targeted

    delivery systems for

    disease prevention

    Course Director

    Dr. Steven K. Clinton, MDProfessor, Dept. of Internal Medicine, Comprehensive Cancer Center

    Director, Molecular Carcinogenesis and Chemoprevention program

    Ohio State University,

    Columbus, OH

    Berries in cancer prevention

    Course website: http://agrilife.org/foodsforhealth

    HANDS ON TRAINING

    74

    Students of Foods for Health course at the VFIC Students of Foods for Health course at the VFIC

    75

    Experiencing Learning in Multidisciplines

  • 8/27/2012

    19

    76

    Students of Foods for Health course trained at

    ISU and OSU Consumers dilemma

    Variety

    Color

    Price

    Taste Labels

    ? $

    Flavor

    Insecticides Food safety

    MEDIA

    Nutrients

    VFIC Family

    111

    VFIC FAMILY