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aswman08(金币+2, 翻译EPI+1): 2011-01-26 08:51:11
ringzhu(金币+3): 2011-02-19 12:22:33
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Ginseng times glucoside H raw materials by American ginseng total saponins, then through its degradation income to separation and purification of quercetin Rh2, ginseng times physicochemical properties of the samples analysis shows that, melting point than curl and reports in the literature of panax ginseng saponins Rh2 consistent, and by UV, IR, MS, NMR its structure system, and test data obtained and reports in the literature of panax ginseng saponins Rh2 conformity, and determine the structure for 20 samples compounds (S) - Rh2 ginseng saponins, can be used as reference substance use. |
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