FAT SOLUBLE VITAMINS
VITAMIN E & K
Vitamins
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Vitamin E
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Vitamin K
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Other names
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Tocopherol, antisterility vitamin, fertility
factor, beauty vitamin
3 forms: α, β & γ
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Phylloquinone or antihaemerrhagic vitamin
3 forms:
K1 (phylloquinone) K2
(menaquinone) K3 (mandione)
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Discovered by
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Evans and Sore
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Dam and Droisy
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Daily requirement
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15 mg
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0.07-0.14 mg
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Sources
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Wheat germ, corn, nuts, seeds, olives,
spinach, asparagus, leafy vegetables, vegetable oils, and their products,
margarine, cotton seed oils
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Cabbage, cauliflower, spinach, soyabeans,
cereals, liver, egg yolk.
K2 - by intestinal bacteria
K3 - synthetic form.
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Functions
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Antioxidant and prevents oxidative
destruction of other vitamins (E.g. vit.K).
Prevents
formation of unsaturated fatty acids so prevents brown pigmentation.
Normal working of gonads.
Normal child birth.
Removes wrinkles of skin, scars.
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Formation of prothrombin from liver cells.
Blood coagulation.
Acts
as coenzyme Q and participates in ETC.
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Deficiency
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Sterility
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Profuse bleeding (Haemerrhage)
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Hypervitaminosis of vitamin A, D, E & K leads
to some problems as they are not soluble in water.
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