NUTR 30300 Lecture Notes - Lecture 11: Vitamin B12 Deficiency, Dietary Supplement, Protein Biosynthesis
31 Oct 2018
School
Department
Course
Professor
Document Summary
Nutrients involved in energy metabolism & protein biosynthesis. B vitamins: thiamin (b1), riboflavin (b2), niacin (b3), biotin, pantothenic acid, cobalamin (b12), folate, pyridoxine (b6) Minerals: lodine (i), chromium 9cr), manganese (mn), sulfur (s) Minerals: iron (fe), copper (cu), zinc (zn) B vitamins are coenzymes in metabolism (minerals are cofactors in metabolism) Deficiencies affect brain, nervous & gi systems: metabolically active tissues. Alcoholics most likely to develop serious b-vitamin deficiency diseases. Manufacturing and refining reduce b vitamin content of foods. Produ(cid:272)ts take(cid:374) (cid:271)y (cid:373)outh (cid:272)o(cid:374)tai(cid:374)i(cid:374)g a (cid:858)dietary i(cid:374)gredie(cid:374)t(cid:859) i(cid:374)te(cid:374)ded to supple(cid:373)e(cid:374)t the diet. Can be sold without proof that they are: Safe-seller not required to show prior to sell. Fda approval is not needed prior to marketing. Supplements are a -29 billion annual industry in the us-( billion in 2014) Once a supplement is marketed, the fda must approve it is unsafe for it to be removed from stores. Increase vitamin k or vita min e can alter anticlotting medication mechanisms.
