HPED 2507 Lecture 15: Phytochemicals
6 Oct 2016
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Beneficial ; neutral ; harmful ; mixed- beneficial and harmful. Examples of phytochemicals and their effects (take your own notes) Effects can vary depending on dose, person, life stage, health etc. Benefits not yet related to individual phytochemicals; rather whole foods. Very little safety assessment on concentrated supplements can be toxic. Diets with whole grains, fruit, vegetables, herbs, spices, teas and red wine (moderation) Epidemiological evidence: lowers death from cancer, lowers heart disease, lowers heart attacks. Red wine flavonoids = levels too low; alcohol risks. They contain many benefits that you cant get from a supplement. Epidemiological evidence from asians living in asia less: osteoporosis, breast, colon and prostate cancer, heart diseases, menopause symptoms. Increased soy products? phytoestrogen = plant relative of estrogen. Estrogen sensitive cancer = no support from breast cancer studies. Osteoporosis and menopause diet high in soy = bone protection similar to hrt.
