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6 Cards in this Set
- Front
- Back
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Vitamin A-retinol |
Retinol is the binding protein transport form=rbp. Vision-rhodopsin in retina. Helps maintain cornea. Protein synthesis and cell differentiation. Epithelial cells. Reproduction and growth. Beta carotene is antioxidant. Deficiency:night blindness. Keratinization. Toxic:birth defects-teratogenic. Liver stores vit. A. |
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Vit. A food |
Retinol: milk, butter, eggs. Beta carotene: spinach, deep orange fruits/vegetables. Liver. |
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Vit. D |
D3-cholecaciferol:animal, d2-ergocalciferol"plant. Nonessential. Activated through liver and kidneys,skin. Helps maintain blood levels of calcium and phosphorus. Bone growth. Deficiency: rickets-kids, osteomalacia-adults. Toxic:hypercalcemia. Ul:50ug/day. |
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Vit.E |
Alpha-tocopherol in humans. Antioxidant: protects polyunsaturated fatty acid and vit.A. protects the oxidation of Ldls. Stops free radicals. Deficiency: erythrocyte hemolysis. Toxic: least toxic. Ul:1000mg. Rda:15mg. Food : nuts., polyunsaturated:margarune, salad dressing, shortenings, leafy green vegetable,wheat germ,liver. Easily destroyed by heat and oxygen. |
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Vit.k |
Aka-quinone/menadione. Half of human needs met through actions of intestinal bacteria. Essential in blood clotting. Synthesis of bone proteins that regulate blood calcium. Deficiency: cause uncontrolled bleeding,in newborns and ppl taking antibiotics. |
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Vit. K recommendations/sources |
AI: men-120ug women-30ug. Sources: digestive tract. Food: liver, green veggies and cabbage type. Milk. |
