Definition of pyridoxine in English:



mass nounBiochemistry
  • A colourless weakly basic solid present chiefly in cereals, liver oils, and yeast, and important in the metabolism of unsaturated fatty acids.

    An alcohol derived from pyridine; chemical formula: C₈H₁₁NO₃

    Also called "vitamin B6"
    • ‘Folic acid, pyridoxine, and cobalamin are known to reduce homocysteine levels.’
    • ‘The same researcher tested for, but did not find, a deficiency of thiamin or pyridoxine in cataract patients.’
    • ‘Medications are taken rectally, orally, or through an IV line, and may contain pyridoxine.’
    • ‘Pyridoxal, pyridoxamine and pyridoxine are collectively known as vitamin B 6.’
    • ‘Maize meal and wheat flour will be fortified with vitamin A, riboflavin, niacin, pyridoxine, folic acid, iron and zinc.’


1930s: from pyrid(ine) + ox- ‘oxygen’ + -ine.