BIOL 1312 Lecture Notes - Lecture 11: Prostate Cancer, Collagen, Adrenal Medulla
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~ if you eat foods containing vitamin a, you will have a protective effect. ~ vitamin a belongs to a family called carotenoids. ~ we get most of our vitamin a from retinal and beta-carotene. International unit (iu) : 0. 3 g of retinol, 0. 6 g of -carotene, 1. 2 g of other provitamin-a carotenoids. Problem: absorption depends on dietary fat. ~ in 2001, the institute of medicine recommended the retinol activity equivalent (rae) Retinol activity equivalent (rae) : 1 g retinol, 2 g of -carotene in oil, 12 g of dietary beta-carotene, 24 g of provitamin-a carotenoids. ** these are only correlational studies, not causational ** There is no evidence that taking supplements will spare you the agony of cancer. Important for the formation and integrity of collagen. A: most abundant protein in the body (25% of body protein, collagen is constituent of, corneas, cartilage (connective tissue, bones, blood vessels and capillaries.
