Abstract
To investigate the nutritional composition of fatty acids in freshwater products in Hunan Province. The edible parts of freshwater products were detected by gas chromatography, and fatty acid fingerprints were obtained by statistical analysis. A total of 18 freshwater products were monitored and 14-26 fatty acids were detected in each freshwater product. Among them, 12 were saturated fatty acids(SFA), ranging from 0. 74 to 3143 mg/100 g, 9 were monounsaturated fatty acids(MUFA), ranging from 1. 23 to 2790 mg/100 g, and 10 were polyunsaturated fatty acids(PUFA), ranging from 1. 75 to 2832 mg/100 g. The ratio of n-6 to n-3 in polyunsaturated fatty acids ranged from 0. 24∶1 to 15. 7∶1. The composition of fatty acids in freshwater products in Hunan Province is mainly unsaturated fatty acids. Most freshwater products are rich in n-3 PUFA, and the ratio of n-6 PUFA to n-3 PUFA is less than 6, which is beneficial to the nutritional balance. The composition and content of fatty acids have ideal nutritional value.
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