best b 12 vitamins

and minerals are responsible for regulating and coordinating the various activities of an organism along with enzymes (proteins..

Introduction - Vitamins are the organic compounds required for the normal maintenance and health of an organism in minute quantities and their absence cause specific deficiency diseases. These are required in diet in order to perform specific biological functions. There are about 15 ..

1 Chemically, it is known as thiamine and it is a water-soluble vitamin. It functions as a coenzyme during carbohydrate metabolism and in the synthesis of pentose sugar. The synthesis of pentose sugar also uses this vitamin as a coenzyme. It is essential for the functionin..

2 Chemically, it is known as riboflavin and is also a water-soluble vitamin. It forms two co-enzymes, FMN and FAD. These co-enzymes are dehydrogenases which carry out oxidation reactions. It promotes carbohydrate and protein metabolism. Riboflavin is necessary for healthy skin, nerv..

6 It is called pyridoxine and is water-soluble. It takes part in amino acid and fatty acid metabolism. Deficiency of pyridoxine causes depression, anaemia, dermatitis, diarrhoea and retardation of growth. The sources of pyridoxine are whole grains, leafy vegetables, yeast, milk, egg, liver, k..

Dark red tongue (glossitis), dermatitis and cheilosis (fissuring at corners of mouth and lips) Vitamin B 6 (pyridoxine) Cereal, grams, molasses, yeast, egg yolk and meat Severe dermatitis, convulsions Vitamin H (Biotin) Yeast, liver, kidney and milk ..

Vitamins can be produced on industrial scale by microorganisms. For e.g., Riboflavin (B 2 ) can be produced by Ashbya gossypii, Eremothecium ashybii Cobalamine (B 1 2 ) cause produced by bacteria propioni bacterium, Pseudomonas denitrificans, Bacillus megatherium, Stre..

This vitamin is named as tocopherol. Nearly about 8 tocopherols are identified - a , b , g etc. Among these -tocopherol is most active. Vitamin E is stored in adipose tissue, liver and muscle. It acts as a scavenger and is essential for membrane structure, cellula..

These vitamins are soluble in water. They are again divided into B complex vitamins and non B complex vitamins. B-complex vitamins are - Thiamine (B 1 ), Riboflavine (B 2 ), Niacin (B 3 ), Pyridoxin..

. Vitamin K is concerned with blood clotting process. It causes post translational modification of certain blood clotting factors. Vitamin C acts as coenzyme in hydroxylation of proline and lysine during collagen formation. It is also useful for bone formation and for preventing..