Butyric acid

    Butyric acid (from Greek βούτυρο, meaning “butter”), also known under the systematic name butanoic acid, is a carboxylic acid with the structural formula CH3CH2CH2-COOH. Salts and esters of butyric acid are known as butyrates or butanoates. Butyric acid is found in milk, especially goat, sheep and buffalo’s milk, butter, Parmesan cheese, and as a product of anaerobic fermentation. It has an unpleasant smell and acrid taste, with a sweetish aftertaste.

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