nicotinic acid definition

  • noun:
    • See niacin.
    • pyridine-3-carboxylic acid; with nicotinamide is part of the vitamin B complex.
    • a natural acid (C6H5NO2), a carboxylated derivative of pyridine, obtained because of the oxidation of smoking; called in addition niacin and antipellagra vitamin, and supplement B5. Chemically it's 3-pyridinecarboxylic acid.
    • a B supplement essential for the conventional function of the nervous system while the gastrointestinal system

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    • lack of nicotinic acid (also referred…
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