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%.
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Cancer chemopreventive effects of the flavonoid-rich fraction isolated from papaya seeds.
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Intervention to decelerate, arrest, or reverse the process of carcinogenesis by the use of either natural or synthetic agents individually or in combination has emerged as a promising and pragmatic medical approach to reduce cancer risk. In the present study, we examined the cancer chemopreventive potential of a flavonoid-rich fraction isolated from the seeds of Carica papaya, a plant traditionally referred to as papaw. The flavonoid-enriched benzene fraction of the aqueous extract exerted its anticancer properties in vitro through cytoprotection, antioxidative and antiinflammatory mechanisms and genoprotection in response to isocyanate-induced carcinogenicity.
View Article and Find Full Text PDF[Study on the extraction method and constituents of papaw seed oil].
Zhong Yao Cai
July 2007
Guangdong Food and Drug Vocational College, Guangzhou 510520, China.
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.
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