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KMID : 0043319810040010025
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Archives of Pharmacal Research
1981 Volume.4 No. 1 p.25 ~ p.31
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The Transformation of Ginsenosides by Acid Catalysis in Gastric pH
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Han BH
Park MH/Han YN/Woo LK/Sankawa U/Yahara S/Tanaka O
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Abstract
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The ginsenosides of Korean ginseng decomposed profoundly to produce artifact products of prosapogenin A1, A2 and A3 from ginsenoside Rg1, prosapogenin C1, C2 and C3 from ginsenoside Re, and prosapogenin El, E2 and E3 from ginsenoside Rb1 by the acid treatment under physiological condition such as 37oC incubation in 0.1N HCl. 2. The chemical structures of the artifact substances were determined by the analysis of CMR and mass spectra of TMS-derivatives as following
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