NUTR SCI 132 Study Guide - Final Guide: Energy Economics, Edema, Iron Supplement
28 Feb 2018
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These are not essential nutrients to the body. These are non-nutrient components of plant foods. Studies have shown that people who eat more fruits and vegetables have a lower risk of cancer. These nutrients have a protective effect on the body against chronic diseases. It has been shown in retrospective studies more than prospective studies. Animals studies are supportive of fruits and vegetables protecting the body. A diet high in fruits and vegetables displaces fat in the body. Vitamin a precursor affects blood levels in healthy people vs people with cancer. It is a very powerful antioxidant that stop oxidative damage happening in the body. Vitamin c and e have similar effects. There are a total of 500 carotenoids found in food. Example: luteum is found in leafy greens, and lycopene is found in tomatoes. Large trials have shown that beta-carotene slightly increases cancer. This process can begin with carcinogens that damage the dna of a cell.
