Water Soluble Vitamin - If there are images in this...

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If there are images in this attachment, they will not be displayed. Download the original attachment Water Soluble Vitamins Vitamins Organic Essential Do not yield energy but are involved in the energy pathway Not broken down in GI tract Absorbed as is Classified by their solubility (water soluble or fat soluble) B vitamins and Vitamin C Does Reponses for Vitamins (graph) Most of us Think “The more vitamins, the better” liner graph Actuality: o some vitamins, the benefits increases up to a certain maximum and any more vitamins doesn’t increase the benefits, the rest of the vitamins are excreted in the urine (enzyme graph) o max benefits are reached and overdose and turn toxic (normal curve graph) Water Soluble Vitamins Hydrophilic- water loving, soluble in water Absorbed in the vascular system (bloodstream) after digestion and taken directly to the liver Excess excreted in the urine because our tissues doesn’t have the ability to store a lot of vitamins Frequent small doses Generally not toxic o Niacin and B-6 can be toxic in high dosages Coenzymes B vitamins act as coenzymes Without coenzymes, enzymes will not work Derived from vitamins, especially B vitamins Really involved energy pathways in the body Thiamin B vitamins a coenzyme that is involved in energy metabolism helps maintain nervous tissues involves in nerve transmission RDA 1.1 woman/1.2 men milligram per day Food sources o Pork o Naturally occurring in whole grains
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o enriched grains o Legumes, dry beans and sunflower seeds Deficiency-Wet/Dry Beriberi o Location of the disease Developing country because they don’t enrich their grains Wernicke-korsakoff Syndrome Mostly seen in alcoholics Eye spasm Called cerebral beriberi lose control of walking o Wet Beriberi Cardiovascular dysfunctions Edema (swelling) High in carbohydrates, high calories diet low thiamin Heart failure o Dry Beriberi Nerve damage Muscle wasting No swelling Riboflavin Coenzyme involved in energy metabolism Breaks down in light Helps in synthesizes of a neurotransmitter called dopamine Synthesis of tryptophan (amino acid) into niacin (water soluble vitamin) RDA for Riboflavin 1.1 women milligram per day and 1.3 for men Food Sources o ¼ of riboflavin comes from Milk and milk products o Liver o Mollusks (oysters and shell fish like claims) o Eggs o Meats o Mushrooms o Some vegetables-green vegetables like asparagus, broccoli
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This note was uploaded on 02/17/2010 for the course NTR 306 taught by Professor Meadows during the Fall '08 term at University of Texas at Austin.

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Water Soluble Vitamin - If there are images in this...

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