Ginseng saponins in different parts of Panax vietnamensis

Thi Hong Van Le, Gwang Jin Lee, Huynh Kim Long Vu, Sung Won Kwon, Ngoc Khoi Nguyen, Jeong Hill Park, Minh Duc Nguyen

Research output: Contribution to journalArticle

4 Scopus citations

Abstract

Chemical and pharmacological studies of Panax vietnamensis (Vietnamese ginseng; VG) have been reported since its discovery in 1973. However, the content of each saponin in different parts of VG has not been reported. In this study, 17 ginsenosides in the different underground parts of P. vietnamensis were analyzed by HPLC/evaporative light scattering detector (ELSD). Their contents in the dried rhizome, radix, and fine roots were 195, 156, and 139 mg/g, respectively, which were extremely high compared to other Panax species. The content of protopanaxatriol (PPT)-type saponins were not much different among underground parts; however, the content of protopanaxadiol (PPD)- and ocotillol (OCT)-type saponins were greatly different. It is noteworthy that the ginsenoside pattern in the fine roots is different from other underground parts. In particular, despite the content of PPD-type saponins being the highest in the fine roots, which is similar to other Panax species, the total content of saponins was the lowest in the fine roots, which is different from other Panax species. The ratios of PPT : PPD : OCT-type saponins were 1 : 1.7 : 7.8, 1 : 1.6 : 5.5, and 1 : 4.8 : 3.3 for the rhizome, radix, and fine roots, respectively. OCT-type saponins accounted for 36-75% of total saponins and contributed mostly to the difference in the total saponin content of each part.

Original languageEnglish (US)
Pages (from-to)950-954
Number of pages5
JournalChemical and Pharmaceutical Bulletin
Volume63
Issue number11
DOIs
StatePublished - Nov 1 2015

Keywords

  • Different part
  • Ginsenoside
  • Ocotillol saponin
  • Panax vietnamensis
  • Vietnamese ginseng

ASJC Scopus subject areas

  • Chemistry(all)
  • Drug Discovery

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