framing the problem student versionagrilifecdn.tamu.edu/foodsforhealth/files/2011/03/... ·...
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9.3.099.3.09Neil Knobloch & Megan Paul, Purdue Univerity
Bhimu Patil, Texas A&M University
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Do foods have additionalDo foods have additional health benefits beyond
l l d ?essential nutritional needs?
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What are examples of foodsWhat are examples of foods for health?
[think of examples in the news or in[think of examples in the news or in advertisements]
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Tomatoes are a source of abundant goodness, with processed tomatoes having even higher levels of
nutrients simply because they’re concentrated. In fact, p y y ,tomatoes are one of the top five food sources of
vitamin C, vitamin A, vitamin E, potassium and fiber. They’re also excellent sources of phytochemicals, polyphenols and carotenoids. They contain high p yp y g
concentrations of lycopene, a powerful antioxidant.
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Antioxidants are thought to help protect the body against the damaging effects of free radicals and the chronic diseases associated with the aging process… g g pBlueberries contain 14 mg of Vitamin C and 0.8 mg
Vitamin E per 1 cup of blueberries. In addition, blueberries contain anthocyanins and phenolics that
can also act as antioxidants.
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The benefits of alcohol are all about moderation. Low to moderate drinking – especially of red wine – appears to reduce all causes of mortality, while too much d k l l ddrinking causes multiple organ damage. A mini-review of recent findings on red wine's polyphenols, particularly one called resveratrol, will be published in the September issue of Alcoholism: Clinical & E i l R h h i i l il blExperimental Research; the review is also available at Early View.
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Specifically, the researchers found that low doses of resveratrol mimic the effects of what is known as caloric restriction - diets with 20-30 percent fewer
l h l d h dcalories than a typical diet - that in numerous studies has been shown to extend lifespan and blunt the effects of aging.
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Carrots are an excellent source of antioxidant compounds, and the richest vegetable source of the pro-vitamin A carotenes. Carrots' antioxidant
d h l d l dcompounds help protect against cardiovascular disease and cancer and also promote good vision, especially night vision.
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•Helps reduce cholesterol* •Made from 100% whole grain Quaker Oats •Good source of calcium, iron and 7 other essential
d lvitamins and minerals
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What is vitamin C?◦ The New York Times◦ Examiner.com
Which source has the most accurate facts about Vitamin C?◦ Why?◦ What are the differences between the sources?
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News Articles◦ Antioxidants Pose No Melanoma Threat◦ Vitamin C May Interfere with Cancer Treatment
Are these news stories accurate?◦ How do you know?How do you know?◦ How can people distinguish valid claims?
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Real story of Vitamin CReal story of Vitamin C
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What is the process behindWhat is the process behind new developments in
f l f d ?functional foods?
[identify the steps]
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What is the problem?at s t e p ob e
[hi t th bl ][hint: there are many problems]
[think about different perspectives…research and
development, industry, consumers, society]
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In Science & Industry
In Society
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What are possible solutionsWhat are possible solutions to this problem?
[brainstorm many possibilities][brainstorm many possibilities]
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Science Education HealthScience Education and
Policy
Healthand
DiseasePolicy Disease
Chemistryand
Pre and PostHarvest
Biochemistry Factors
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