FOOD20003 Study Guide - Final Guide: B Vitamins, Soy Milk, Acetyl-Coa
15 Jun 2019
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Syndrome develops in those who abuse alcohol alcohol decrease absorption and increases excretion. Wet beriberi reflects damage to cardio system and presents with oedema. Needed to convert pyruvate to acetyl coa (glycolysis) Fmn and fad are the reducing equivalent coenzyme forms. Dilated blood vessels due to accumulation of pyruvate and lactate. Dry beriberi reflects damage to nervous system and presents with wasting. Inflammation of membranes of mouth, skin, eye, gi tract. Inflamed eyelids, sensitivity to light, reddening of cornea. Sore throat and cracks and redness at corners of mouth. Niacin flush intake 3-4 times above rdi -> dilates capillaries and causes tingling sensation. Eggs, meat, poultry and fish (highest in chicken breast) whole grain and enriched breads and cereals nuts. Treatment of food with alkaline helps release food bound niacin and increase its bioavailability. Easily destroyed by freezing, canning, refining (low temps destroy) Accumulation of product of tryptophan metabolism in brain. Synthesis of dna and formation of new cells.
