Vitamin B1 in Human Diets

Vitamin B1

Vitamin B1 is a watersoluble vitamin. It consists out of a pyrimidineand a thiazol ring, which are synthesized independently and linked afterwards.Vitamin B1 is de novo produced by many plants and microorganisms. Humans and animals have to take it up by nutrition. They are only able to do the phosphorylation reaction of the thiamin molecule. Thiamin is found free and as mono-, diand triphosphat...

Incidence of Gastric Ulcer in Albino Rats Fed Diets Deficient in Vitamin B (b1)

73 per cent of a group of albino rats whose diet was deficient in vitamin B have been found to have ulcerations of the gastric mucosa. A control group was found to be free from gastric lesions. Of 74 observed lesions eight were chronic, indurated ulcers resembling chronic peptic ulcer in man. The chronicity of the ulcers seems to be related to the duration rather than the degree of the deficien...

Vitamin-B1 Deficiency

Vitamin B12 in Vegetarian Diets

Vitamin B12 (B12) belongs to a group of water soluble B-vitamins. Methylcobalamin and adenosylcobalamin are two biologically active forms of B12. Hydroxocobalamin, aquacobalamin, nitrocobalamin and cyanocobalamin are metabolized to either of the two active forms once ingested. B12 is essential in synthesis of methionine (methylcobalamin) and in metabolism of lipids, protein and carbohydrates (a...

Intestinal Flora and Vitamin B1