BIOL 208 Lecture 17: Essential Nutrients
Document Summary
Two classes of vitamins: water soluble, needed more often because they flush through your system, more frequent intake, toxic dose less likely, fat soluble, more easily stored by the body for later; Water soluble vitamins: b vitamins and c: thiamine (b1, deficiencies resulted in disease called beriberi; effects muscle and ability to stand up, best to mix up diet. Japanese scientist: white rice: niacin (b3, deficiencies, pellagra. Niacin deficiencies: folic acid (folate, present in large quantities in green leafy foods. Folic acid and vitamin b12 mutually activate each other; vitamin b12 cuts methyl group from folate; and there both of them become active: deficiencies: spina bifida; if you have this it is likely to be passed onto child. Fat soluble vitamins: a, d, e, k: vitamin a, can be obtained from animal foods and plant foods, beta-carotene can be converted to vitamin a, help eyesight, deficiency.
