Chemistry 101-page10

Chemistry 101-page10 - -Toxicity None known but megadoses...

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Vitamin A (retinol) - Class: Fat soluble - Source: carronts (Provide precursor beta carotene), also milk, eggs, and liver. - Benefits: Essential component of vision receptors in the eyes, cell wall integrity necessary to defend against infection. - Toxicity: Hypervitaminosis A at high doses which causes vomiting, fatigue and headache. Vitamin D - Class: Fat Soluble - Source: Synthesized by the skin in presence of sunlight. - Benefits: Regulates calcium metabolism, necessary for healthy bones. - Toxicity: High doses can result in calcium deposits in kidney, lungs and ear. Vitamin E (Alpha tocopherol) - Class: Fat soluble - Source: Corn and soy bean oil. - Benefit: Prevents the oxidation of unsaturated fatty acids in cell membranes.
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Unformatted text preview: -Toxicity: None known but megadoses are not recommended. Vitamin K -Class: Fat soluble -Source: Green leafy vegetables. -Benefits: Regulates blood clotting. -Toxicity: High doses can cause excessive blood clotting and brain damage. The only vitamin that requires an Rx. Vitamin B -B6 -B12 -Folic Acid -Niacin -Thiamin -Riboflavin -Biotin -Pantothenic Acid Vitamin B6 -The master B vitamin. -Involved in 60 enzymatic reactions many that regulate protein metabolism and synthesis. -Needed for hemoglobin as well as white blood cells. -High doses can cause nerve damage and paralysis. Niacin -Can raise HDL levels....
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This note was uploaded on 11/08/2011 for the course CHEM 101 taught by Professor Everettturner during the Fall '08 term at UMass (Amherst).

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