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pro·pi·on·ic acid AHD[prō'pē-ŏnʹĭk] D.J.[ˌprəʊpiːˈɒnɪk]K.K.[ˌpropiˈɑnɪk]n.（名词）- A liquid fatty acid, CH3CH 2COOH, found naturally in sweat, in milk products, and as a product of bacterial fermentation. Prepared synthetically from ethyl alcohol and carbon monoxide, it is used chiefly in the form of its propionates as a mold inhibitor in bread and as an ingredient in perfume. Also called propanoic acid 丙酸：一种含脂肪的液态酸，化学式为CH3CH 2COOH，能在汗液和奶制品中被找到，是细菌发酵的产物，由酒精和一氧化碳合成，主要用途是以丙酸盐的形态作为面包中的霉菌抑制剂以及香水配料 也作 propanoic acid
- From Greek pro- [first] * see pro- 2源自 希腊语 pro- [第一个] * 参见 pro-2
- Greek piōn [fat (from the fact that it is first in order among the fatty acids)] * see peiə- 希腊语 piōn [脂肪（来源于它在脂酸中排列第一的事实）] * 参见 peiə-
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