ArticlePhytochemical analysis : PCA2026
Configurational Isomer Differentiation Between 20(S)- and 20(R)-Ginsenosides in Red Ginseng via Applying [Cu
Article in Phytochemical analysis : PCA, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
introduction20(R)-ginsenosides are formed by Walden inversion during ginseng processing and usually exhibit almost identical MS/MS behaviors, yet display distinct pharmacological activities compared with 20(S)-configurational isomers. It is thereby crucial for isomer differentiation to facilitate quality control.
objectiveTo pursue a program enabling 20(R)- and 20(S)-ginsenosides discrimination in complicated matrices using MS/MS, red ginseng, the processed form of ginseng, was deployed as a representative.
methodsFive pairs of ginsenoside epimers were collected for method development. MS
results20(R)- vs. 20(S)-Rg3 as representatives, [Cuᴵᴵ(l-Phe)
conclusionIn summary, the proposed strategy combined the complexation driven by [Cu
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