NUTR-UE 119 Lecture Notes - Lecture 6: Tocopherol, Sweet Potato, Margarine
25 Aug 2016
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Document Summary
Diet is consistently low in fats or the vitamin. If supply is low, there can be a lag before eye can see again after bright flash of light (night blindness: deficiency can lead to skin damage and impaired epithelial tissue which builds keratin-dry hard, vulnerable to infection. Keratin in cornea can lead to keratinization, xerophthalmia-drying and thickening of cornea which can lead to blindness. Can impair immune function in children: toxicity: fairly rare with the exception of liver (polar bear). Leads to liver damage, fetal tissue damage in pregnant women, increased risk of hip fractures later in life. Can cause skin to appear bright yellow: vitamin d: the sunshine vitamin, possible to meet all needs from sun alone, conditionally essential nutrient, two dietary forms: Ergocalciferol found in certain plants and fungi like mushrooms. Cholecalciferol: found in fish and eggs, this is the form we produce in our skin c.
