'vitamin B5' definitions:
Definition of 'vitamin B5'
From: GCIDE
- nicotinic acid \nic`o*tin"ic ac"id\, n. (Chem.) An organic acid (C6H5NO2), a carboxylated derivative of pyridine, obtained by the oxidation of nicotine; called also niacin and antipellagra vitamin, and vitamin B5. Chemically it is 3-pyridinecarboxylic acid.
- Note: It is a cofactor in several enzymatic reactions, and is used to prevent a pellagra-like disease in dogs. --[MI11]
- Syn: 3-pyridinecarboxylic acid, niacin, antipellagra vitamin. [1913 Webster +PJC]
Definition of 'vitamin B5'
From: GCIDE
- vitamin B5 \vitamin B5\ n. See nicotinic acid.
- Syn: nicotinic acid. [PJC]