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calciferol

(Encyclopedia)calciferol: see vitamin.

tocopherol

(Encyclopedia)tocopherol: see vitamin.

ascorbic acid

(Encyclopedia)ascorbic acid: see vitamin.

Dam, Henrik

(Encyclopedia)Dam, Henrik hănˈrēk däm [key], 1895–1976, Danish biochemist. He identified vitamin K in 1934 and later investigated the role of vitamin E in nutrition. The 1943 Nobel Prize in Physiology or Medi...

antioxidant

(Encyclopedia)antioxidant, substance that prevents or slows the breakdown of another substance by oxygen. Synthetic and natural antioxidants are used to slow the deterioration of gasoline and rubber, and such antio...

cyanocobalamin

(Encyclopedia)cyanocobalamin: see coenzyme; vitamin. ...

cobalamin

(Encyclopedia)cobalamin: see coenzyme; vitamin. ...

niacin

(Encyclopedia)niacin: see coenzyme; vitamin. ...

biotin

(Encyclopedia)biotin: see vitamin; coenzyme. ...

thiamine

(Encyclopedia)thiamine: see coenzyme; vitamin. ...