Oleic acid

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oleic acid An unsaturated fatty acid with one double bond, CH3(CH2)7CH:CH(CH2)7COOH. Oleic acid is one of the most abundant constituent fatty acids of animal and plant fats, occurring in butterfat, lard, tallow, groundnut oil, soya-bean oil, etc. Its systematic chemical name is cis-octadec-9-enoic acid.

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oleic acid Mono‐unsaturated fatty acid (C18 : 1 ω9); found to some extent in most fats; olive and rapeseed oils are especially rich sources. By far the most abundant of the unsaturated fatty acids.

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oleic acid (oh-lee-ik) n. see fatty acid.