NUTR 132 Lecture Notes - Lecture 8: Vitamin K, Osteocalcin, B Vitamins
6 Dec 2018
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Vitamin k & bone health, calcium-binding proteins in bone i. ii. Depend upon vitamin k for their function in bone mineralization: vitamin k deficiency a. Infant"s gut at birth is sterile: gi tract doesn"t have bacteria. b. If infant injured or needs surgery i. ii. Vitamin k routinely administered by injection shortly after birth. c. Deficiency after long-term antibiotic use and when fat malabsorbed: enzymes & coenzymes, enzymes i. ii. iii. Require a cofactor for biological activity: vitamins i. ii, coenzymes. B vitamins function as coenzymes: coenzymes, aid in the function of various enzymes, without the coenzyme, the enzyme cannot function properly. i. Deficiency symptoms associated with the missing vitamin eventually appear. d: b vitamins - essential components of many coenzymes involved in energy. Metabolism a: b vitamin intakes of north americans, typical diet is adequate in b vitamins, common foods are fortified with b vitamins. i.
