Pronunciation: (kō'lēn, kol'ēn), [key]
1. Biochem.a quaternary ammonium cation, C5H14N+O, one of the B-complex vitamins, found in the lecithin of many plants and animals.
2. choline hydroxide, C5H15NO2, the viscous, strongly alkaline commercial form of this compound, usually synthesized, used as a feed supplement, esp. for poultry, and in medicine in certain liver conditions.
3. choline chloride, C5H14ClNO.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

cholic acidcholine chloride carbamate
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