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[Study on the extraction method and constituents of papaw seed oil]
Hong Zhu1, Ling Zhu, Man-hong Ye
1Guangdong Food and Drug Vocational College, Guangzhou 510520, China.
Abstract:
The extraction method and the condition of supersonic extraction to papaw seed were studied. The result showed that supersonic extraction was a good method with less time and high extraction rate. And the orthogonal experiment proved that the best condition was that the papaw seed was extracted 3 time; the proportion of dissolvent and the seed was 1: 10, and the time for once was 20 min. The methyl esterification method and the condition of GC for the fatty acid of oil and its content: C15H31COOH (17.3%), C17 H35COOH (5.22%), C19H39COOH (1.12%), C17H33COOH (69.25%), C17H31COOH (4.31%), C18H35COOH (1.68%), C19H37 COOH (0.75%), C20H39COOH (0.33%). The content of unsatisfied fatty acid was 75.92%.
