vitamin a compiled by mrs vandana mahajani. vitamins classification fat soluble a,d,e,k water...
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VITAMIN A
COMPILED BYMRS VANDANA MAHAJANI
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VITAMINS
Classification
FAT SOLUBLE WATER SOLUBLE
A,D,E,K B complex, C
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VITAMIN-A(RETINOL)
• Carotene is the precursor of vitamin A. It is also termed as Pro-vitamin-A.
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SOURCESAS Carotene
Present in orange-yellow coloured vegetables & Green leafy vegetables like:
1.Carrot
2. Pumpkin
3. Papaya
4. Spinach
5. Mustered leaves.
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As retinol
• Present in animal foods like
fish liver oils, meat, fish, egg, milk etc.
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FUNCTIONS
• 1. Helps in growth & development.
• 2. Required for proper eyesight.
• 3. Required for development of epithelial tissue, for healthy glowing skin.
• 4. Helps the body to fight against infection.
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DEFICIENCY DISEASE
NIGHT BLINDNESSOR NYCTALPIA
XEROPTHALMIA
KERATOMALACIA
XERODERMA
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HYPERVITAMINOSIS - A
• Toxic symptoms like • nausea
• vomiting
• abdominal pain
• loss of hair
• thickening of long bones
• joint pain.