Definition of neuraminic acid in English:

neuraminic acid


mass nounBiochemistry
  • A crystalline compound of which derivatives occur in many animal substances, chiefly as sialic acids.

    A sugar with amino and acid groups; chemical formula: C₉H₁₇NO₈

    • ‘The dialysable neuraminic acid does not, however, appear to be free, but rather to be bound to hexose and nitrogenous residues in glycopeptide-like low molecular weight compounds.’
    • ‘Cutting out neuraminic acid from the cell membrane weakens the cell membrane.’
    • ‘When a flu virus enters your nose, it latches onto the first thing it finds with a neuraminic acid on it, mucus.’
    • ‘All three finally agreed to use sialic acid as the family name covering all of the more than thirty derivatives of neuraminic acid, with N-acetylneuraminic acid and N-glycolylneuraminic acid forming the core structures.’
    • ‘FIG. 3 is a mass spectrometric spectrum of N-glycolyl neuraminic acid obtained by the inventive method.’


1940s: neuraminic from neuro- (because it was originally isolated from brain tissue) + amine + -ic.


neuraminic acid