FND 100 Study Guide - Final Guide: Retinol Binding Protein, Retinol, Acrodermatitis Enteropathica
18 Oct 2016
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Active forms are retinol, retinal and retinoic acid. Ear: children, adolescents, adults rda: children, adolescents, adults. Ul: 3000mg/day for adults - preformed vitamin a. Average intake: men 18-74yrs 1267 rae mcg/day women 18-74yrs 1169 rae mcg/day (ontario food survey) Retinol activity equivalents (rae) - 6mcg of beta-carotene (vit a precursor) from mixed diet = 0. 5mcg retinol. Rae ratio for beta-carotene from food = 12:1 - divide mcg dietary beta-carotene by 12 to get mcg retinol. 1iu retinol = 0. 3mcg retinol = 0. 3mcg rae. Ai: infants, children, adolescents, adults rda: none - insufficient data ul: none - no adverse affects. Ai: men 120mcg/day women 90mcg/day infants given shot of vitamin k in foot at birth. Iron constipation common side effect of iron supplements - may be related to cvd, colon cancer, but not evidence supplements should only be taken by recommendation of doctor - lethal for children! Needed by all living organisms found in hemoglobin and myoglobin.
