Also found in: Dictionary, Thesaurus, Encyclopedia, Wikipedia.
Related to butyric acid: lactic acid
a saturated fatty acid found in butter.
bu·tyr·ic ac·id(byū-tir'ik as'id),
A foul-smelling acid occurring in butter, cod liver oil, sweat, and many other substances. It exists in two forms: normal butyric acid (also written as N-butyric acid), butanoic acid, which occurs in combination with glycerol in cow's butter; and isobutyric acid, 2-methylpropanoic acid, one of the intermediates in valine catabolism, found in combination with glycerol in croton oil and elsewhere.
A colorless organic acid, C4H8O2, occurring in animal milk fats and used in disinfectants, emulsifying agents, and pharmaceuticals. Also called butanoic acid.
An oily carboxylic acid which smells like rancid butter, has an acrid taste and a sweetish aftertaste, like ether. It is present in rancid butter, parmesan cheese and vomit, and is produced in anaerobic fermentation by bacteria in the colon and axilla (resulting in body odour). It is used as a flavourant, perfume additive and cattle-feed supplement.
It is believed to have anticarcinogenic activity, especially the derivative, sodium butyrate.
bu·tyr·ic ac·id(byū-tir'ik asid)
An acid of unpleasant odor occurring in butter, cod liver oil, sweat, and many other substances.