Definition of malic acid in English:

malic acid

Syllabification: mal·ic ac·id
Pronunciation: /ˌmalik ˈasid


  • A crystalline acid present in unripe apples and other fruits.
    • Chemical formula: HOOCCH2CH(OH)COOH
    More example sentences
    • The mixture of fruit acids may include citric acid, glycollic acid, lactic acid, malic acid and tartaric acid.
    • And the tangy apple flavour found in most Chardonnays comes primarily from malic acid, the tart acid found in apples.
    • In some species, there may be oscillations of citric acid in addition to malic acid.



Pronunciation: /ˈmalˌāt, ˈmāˌlāt/
More example sentences
  • Before addition of malate, the normalized fluorescence intensity was 1.21 in the absence of ADP.
  • At first, we measured the frequencies of the rapid depolarizations in the presence of 0.2, 1, or 5 mM malate.
  • Instead of malate, elevated zeaxanthin levels within the chloroplast may modulate guard cell CO2-sensitivity in the light.


late 18th century: malic from French malique, from Latin malum 'apple'.

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