Vitamin B1, Vitamin B6 and Biotin as Growth Substances for some Ascomycetes

Vitamin B6 and biotin in human cancer tissue.

Vitamin B6 and arteriosclerosis.

In 1949, Rinehart and Greenberg reported that marked arteriosclerosis occurs in vitamin-B6-deficient monkeys. The present study investigates the relationship between vitamin B6 and arteriosclerosis and summarizes the results. I found that thrombogenesis, disorder of collagen metabolism and production of free radicals may be the processes that cause arteriosclerosis in human and experimental ani...

Dietary Reference Intakes for Thiamin, Riboflavin, Niacin, Vitamin B6, Folate, Vitamin B12, Pantothenic Acid, Biotin, and Choline1

In the presentations on the B Vitamins and Choline Report (IOM, 1998a), Steven H. Zeisel of the University of North Carolina–Chapel Hill (former member of the Panel on B Vitamins and Choline) addressed research on thiamin, riboflavin, niacin, pantothenic acid, and choline. Dr. Patrick Stover of Cornell University covered folate, vitamins B12 and B6, and biotin. Both presenters addressed lack of...

Hepatic Vitamin B6 Metabolism

nM. Thus, pyridloxal-P is the principal B6 vitaimer in plasma. Durinig pyridoxine stupplemiienitation, mealn plasnma levels of the B6 vitaimers anid pyridoxic acidl increasedl to 655±122 aindl 222±55 nM, respectively. The plasma content of pyridoxal-P aind( pyricloxic acidl increased 6-7-fold anid thatt of pyridoxal, 12-fold, but the pyridloxiine level did niot increase. Isolatedlhepatocytes, 1...

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...