由人参三醇衍生的皂苷 RoO HO 20 H 17 13 14 H HO ginsenoside RI R2 H ORI Re lc-2-rha glc Rf glc-2-glc H(20s) 20(S)-protopanaxatriol由人参三醇衍生的皂苷: H 8 HO OR1 H H H 10 13 14 17 HO 20 R2 O 20(s)-protopanaxatriol ginsenoside R1 R2 Re glc-2-rha glc Rf glc-2-glc H(20s)