Definition of biotin in English:



  • A vitamin of the B complex, found in egg yolk, liver, and yeast. It is involved in the synthesis of fatty acids and glucose.

    Also called vitamin H

    ‘Another feed may list 12 percent crude protein, 7 percent crude fat, and lysine, methionine, biotin, vitamin E and thiamin levels on the tag.’
    • ‘On the other hand, there are examples of algae that require other vitamins like thiamine and biotin.’
    • ‘Interaction has been measured in this way for ligand-receptor pairs of biotin and avidin, complementary DNA pairs, and antigen-antibody pairs.’
    • ‘The vitamin B complex consists of B1, B2, B6, pantothenic acid, biotin and folic acid.’
    • ‘As with many vitamins pantothenic acid and biotin are little known but pantothenic acid is used in the breakdown of carbohydrates, lipids and some amino acids.’
    • ‘Vitamins C, B, folate, pantothenic acid and biotin are easily passed by the body and so need to be included in the daily diet.’
    • ‘Folic acid, biotin, and choline also belong to the B group but do not have numbers.’
    • ‘They're also a great source of iron, magnesium, copper, zinc and biotin - a B vitamin that helps you metabolize sugar and fat for better energy production.’
    • ‘For years some doctors and nutritionists have touted biotin, a B-complex vitamin, for treating dry skin and brittle hair and nails.’
    • ‘The company says the antioxidant vitamin, along with biotin can help slow or delay aging of the skin and help maintain metabolism.’
    • ‘In addition to histidine and biotin, the top agar contained minimal tryptophan to support E.coli growth.’
    • ‘Examples include fluorescently labeled biotin and three proteins of varying molecular weight.’
    • ‘Supplements should not have any biotin or pantothenic acid.’
    • ‘After antigen retrieval, endogenous biotin was blocked using the Biotin Blocking System (Dako Corporation, Carpinteria, Calif).’
    • ‘You can get biotin from liver, sardines, soy, whole grains, nuts and beans.’
    • ‘The mixture was later solidified by means of a surface agar solution containing traces of histidine and biotin.’
    • ‘Calcium, phosphorus, magnesium, zinc, copper, and biotin are nutrients that are required to ensure proper bone and foot development and maintenance.’
    • ‘For instance, when Abbott and his colleagues attached a receptor called biotin to the lipids, the sensor detected a bacterial protein that binds to biotin.’
    • ‘Eat plenty of protein and biotin which can be found in meats, fish, milk, and eggs.’
    • ‘Besides, biotin is found in milk, liver, eggs and other foods allowed on low-carb diets.’



/ˈbīətn/ /ˈbaɪətn/


1930s coined in German from Greek bios ‘life’+ -in.