Vitamin in yeast and liver

• One of the B-complex vitamins
• B-complex vitamin
• Vitamin H
• A B vitamin that aids in body growth
• A B vitamin

WordNet Word definitions in WordNet
n. a B vitamin that aids in body growth [syn: vitamin H ]

Wiktionary Word definitions in Wiktionary
n. (context vitamin English) A sulfur-containing member of the vitamin B complex found in liver, egg yolk, milk and yeast, essential to the activity of multiple enzyme systems.

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
biotin \bi"o*tin\ n. a B vitamin ( C10H16N2O3S ) that aids in body growth; -- called also vitamin H and coenzyme R . It functions as a coenzyme in many carboxylation reactions. Note: Biotin binds tightly to the substance avidin, found in raw egg-whites. ...

Wikipedia Word definitions in Wikipedia
Biotin is a water-soluble B-vitamin ( vitamin B ), formerly known as vitamin H or coenzyme R . It is composed of a ureido (tetrahydroimidizalone) ring fused with a tetrahydrothiophene ring. A valeric acid substituent is attached to one of the carbon atoms ...