Fat Vitamins

Fat Vitamins - Fat Vitamins

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LR/CC/FNB UNIT 1 :Food Components Topic 5 : Fat Soluble Vitamins
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LR/CC/FNB 1: Vitamins L Essential organic compounds required in small quantities L 13 known vitamins L Most discovered due to deficiency diseases L Assigned letters in order of discovery L Some later found to be mixtures
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LR/CC/FNB L Fat soluble vitamins L A L D L E L K L Water soluble vitamins L C L B 2:
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LR/CC/FNB O H CH 3 CH 3 CH 3 CH 3 CH 3 H O CH 2 CH 3 CH 3 CH 3 CH 3 Vitamin A Vitamin D β -Carotene
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LR/CC/FNB 3: Vitamin A L Essential component of visual pigment L Retinol, Present in food as Vitamin A L Fish oil, liver, eggs L or as precursors, the caroteinoids in L Vegetables L 1 retinol equivalent= 1µg retinol L =6µg ß-carotene or L 12 µg other caroteinoids
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LR/CC/FNB
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LR/CC/FNB
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LR/CC/FNB
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LR/CC/FNB L Lack of vitamin A leads to night-blindness L Retinoic acid required for skin repair and bone growth L Controls cell development L Toxic in excess 4:
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LR/CC/FNB XEROPTHALMIA
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LR/CC/FNB Increasing Vitamin A level
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This note was uploaded on 07/04/2011 for the course BIO microbiolo taught by Professor Point during the Spring '09 term at HKU.

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Fat Vitamins - Fat Vitamins

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