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Advances in the chemistry, pharmacological diversity, and metabolism of 20(R)-ginseng saponins
Chaoming Wang,Juan Liu,Jianqiang Deng,Jiazhen Wang,Weizhao Weng,Hongxia Chu,Qingguo Meng 고려인삼학회 2020 Journal of Ginseng Research Vol.44 No.1
Ginseng has been used as a popular herbal medicine in East Asia for at least two millennia. However,20(R)-ginseng saponins, one class of important rare ginsenosides, are rare in natural products. 20(R)-ginseng saponins are generally prepared by chemical epimerization and microbial transformation from20(S)-isomers. The C20 configuration of 20(R)-ginseng saponins are usually determined by 13C NMR andX-ray single-crystal diffraction. 20(R)-ginseng saponins have antitumor, antioxidative, antifatigue, neuroprotective,and osteoclastogenesis inhibitory effects, among others. Owing to the chemical structureand pharmacological and stereoselective properties, 20(R)-ginseng saponins have attracted a great dealof attention in recent years. In this study, the discovery, identification, chemical epimerization, microbialtransformation, pharmacological activities, and metabolism of 20(R)-ginseng saponins are summarized.
Advances in the chemistry, pharmacological diversity, and metabolism of 20(R)-ginseng saponins
Wang, Chaoming,Liu, Juan,Deng, Jianqiang,Wang, Jiazhen,Weng, Weizhao,Chu, Hongxia,Meng, Qingguo The Korean Society of Ginseng 2020 Journal of Ginseng Research Vol.44 No.1
Ginseng has been used as a popular herbal medicine in East Asia for at least two millennia. However, 20(R)-ginseng saponins, one class of important rare ginsenosides, are rare in natural products. 20(R)-ginseng saponins are generally prepared by chemical epimerization and microbial transformation from 20(S)-isomers. The C20 configuration of 20(R)-ginseng saponins are usually determined by <sup>13</sup>C NMR and X-ray single-crystal diffraction. 20(R)-ginseng saponins have antitumor, antioxidative, antifatigue, neuroprotective, and osteoclastogenesis inhibitory effects, among others. Owing to the chemical structure and pharmacological and stereoselective properties, 20(R)-ginseng saponins have attracted a great deal of attention in recent years. In this study, the discovery, identification, chemical epimerization, microbial transformation, pharmacological activities, and metabolism of 20(R)-ginseng saponins are summarized.