单词	butyrin
释义	butyrin /ˈbyo͞odərən / noun Any of three glyceryl esters of butyric acid found naturally in butter. Chemical formula: C3H5(C3H4O2)3. When combined with butyrin and water, it made a cheap and more-or-less palatable butter substitute.... In some fats - e. g., butter - part of the fatty acid is replaced by lower fatty acids - e. g., butyric, or in porpoise oil, by valerianic acid - both occurring as glycerin esters, butyrin, valerin, respectively. Besides, they possess good storage stability, can be dissolved in low M.W ketones (acetone, butanone) and esters (acetic ether, acetic butyrin).
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