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In order to clarify some similarities and differences of decomposition modes between 20(S)-protopanaxadiol (20(S)-ppd) saponins, represented by ginsenoside Rb1 (Rb1) and ginsenoside Rb2 (Rb2), the(More)
The decomposition of ginsenoside Rb2 (Rb2) in rat stomach (in vivo) and in 0.1 N HCl solution (in vitro) was investigated in detail. By treating with 0.1 N HCl, the acidity of which is similar to(More)
The decomposition of ginsenoside Rb2 (Rb2) in the rat large intestine after oral administration was investigated in detail. A part of Rb2 was decomposed and six decomposition products (I-VI) were(More)
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