Vitamins: H2o Soluble-2: Sources, Functions, Deficiency Etc
WATER SOLUBLE VITAMINS
VITAMIN B3 & B5 Vitamins Vitamin B3 Vitamin B5 Other names Niacine, Nicotinamide, pellagra preventing factor, anti-pellagric factor Pantothenic acid, yeast factor, chick antidermatitis share or anti-greying factor Discovered by C. Funk R.J Williams Daily requirement 13-18 mg 5-10 mg Sources Fish, liver, ruby-red meat, yeast, grains, peas, beans, fruits, cereal husks, light-green leafy vegetables. Egg yolk. Liver, yeast, light-green vegetables, grains, kidney, intestinal bacteria, egg yolk. Functions All biological oxidation- reduction reactions equally NAD or NADP. In metabolism equally coenzyme A. e.g. Acetyl Co A Deficiency Pellagra Dermatitis inward chicken.
Vitamins | Vitamin B3 | Vitamin B5 |
Other names | Niacine, Nicotinamide, pellagra preventing factor, anti-pellagric factor | Pantothenic acid, yeast factor, chick antidermatitis share or anti-greying factor |
Discovered by | C. Funk | R.J Williams |
Daily requirement | 13-18 mg | 5-10 mg |
Sources | Fish, liver, ruby-red meat, yeast, grains, peas, beans, fruits, cereal husks, light-green leafy vegetables. Egg yolk. | Liver, yeast, light-green vegetables, grains, kidney, intestinal bacteria, egg yolk. |
Functions | All biological oxidation- reduction reactions equally NAD or NADP. As H-receptor inward dehydrogenation reactions. | In metabolism equally coenzyme A. e.g. Acetyl Co A |
Deficiency | Pellagra (4-D syndrome: Diarrhoea, Dermatitis, Dementia, Death) | Dermatitis inward chicken. Neuromuscular dysfunction in addition to fatigue. Poor growth. Early ageing in addition to graying of hair. “Burning feet” syndrome. |
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