vitamin b5

from The Collaborative International Dictionary of English v.0.48
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]
    
from The Collaborative International Dictionary of English v.0.48
vitamin B5 \vitamin B5\ n.
   See {nicotinic acid}.

   Syn: nicotinic acid.
        [PJC]
    

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