单词 | lactic acid |
释义 | Word Frequency lactic acidnoun a colourless syrupy carboxylic acid found in sour milk and many fruits and used as a preservative (E270) for foodstuffs, such as soft margarine, for making pharmaceuticals and adhesives, and produced in muscle tissue during strenuous exercise. Formula: CH3CH(OH)COOH Systematic name: 2-hydroxypropanoic acid |
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