malic acid(redirected from Apple acid)
Also found in: Medical, Encyclopedia.
mal·ic acid(măl′ĭk, mā′lĭk)
A colorless, crystalline compound, C4H6O5, used as a flavoring in foods and beverages. The levorotary form occurs naturally in wine and in many fruits, including apples, cherries, and tomatoes.
[French (acide) malique, from Latin mālum, apple, from Greek mēlon, mālon.]
malic acid(ˈmælɪk; ˈmeɪ-)
(Elements & Compounds) a colourless crystalline compound occurring in apples and other fruits. Formula: HOOCCH2CH(OH)COOH
[C18 malic, via French malique from Latin mālum apple]
a colorless, crystalline, water-soluble solid, C4H6O5, occurring in apples and other fruits, used to age wine.