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Nutrition Lecture # 2

Nutrition Lecture # 2. Vitamins. Purpose of Vitamins. Help metabolize carbohydrates and fats Help digest food Contract muscles Blood creation and clotting Help to perform all body functions. Types of Vitamins. A. Fat Soluble Stored in fat in the body – can build up

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Nutrition Lecture # 2

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  1. Nutrition Lecture # 2 Vitamins

  2. Purpose of Vitamins • Help metabolize carbohydrates and fats • Help digest food • Contract muscles • Blood creation and clotting • Help to perform all body functions

  3. Types of Vitamins A. Fat Soluble • Stored in fat in the body – can build up and become toxic • Vitamin A (Carotene) • Vitamin D • Vitamin E • Vitamin K

  4. Vitamin A - Carotene 1. Functions: • aids in night vision • maintains cells of skin and lining of body cavity • bone and tooth growth • anti-oxidant ( helps reduce risk of cancer ) 2. Sources • Yellow/orange fruit or veggies • green leafy veggies 3. Deficiency – poor night vision, infections of mucous membranes, bone growth problems 4. Excess – problems w/ vision/ appetite, skin, joints and bones. nervous system damage

  5. Vitamin D 1. Functions: • aids in bone formation – absorbs calcium and phosphorus in the intestines and delivers it to the bones • Helps maintain heart action and nervous system 2. Sources: • sun • fortified milk & butter • fish • eggs 3. Deficiency – rickets – bone deformity 4. Excess - calcium deposits leading to deafness, kidney stones, High blood pressure

  6. Vitamin E 1. Functions: • anti-oxidant • helps maintain vitamin A and fats 2. Sources: • green leafy veggies • multi grain cereals • vegetable oils • nuts 3. Almost impossible to be deficient, wide spread in food 4. Excess – no known case of toxicity

  7. Vitamin K 1. Functions: • aids blood clotting 2. Sources: • green leafy veggies • fruit • grains 3. Deficiency - hemophilia

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