malicacid

mal·ic acid (mălʹĭk, māʹlĭk) n.

A colorless, crystalline compound, COOH·CH₂·CHOH·COOH, that occurs naturally in a wide variety of unripe fruit, including apples, cherries, and tomatoes, and is used as a flavoring and in the aging of wine.

  [French (acide) malique, from Latin mālum, apple, from Greek mēlon, mālon.]

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