Noun
malic acid (uncountable)
(organic chemistry) A colourless crystalline dicarboxylic acid, hydroxy-malonic acid, found in wine, apples and other fruit; it is converted to lactic acid by malolactic fermentation.
I put the cookies, white chocolate, freeze dried apple powder, vanilla paste, cinnamon, salt, and malic acid into the food processor. Source: Internet
Is apple cider vinegar malic acid though? Source: Internet