An improved method for the preparation of Ginsenoside Rg5 from ginseng fibrous root powder

Autor: Dan-dan Guo, Le-qin Cheng, Yue-wei Zhang, Hong-chao Zheng, Hui-yong Ma, Ling Li
Jazyk: angličtina
Rok vydání: 2019
Předmět:
Zdroj: Heliyon, Vol 5, Iss 10, Pp e02694- (2019)
Druh dokumentu: article
ISSN: 2405-8440
DOI: 10.1016/j.heliyon.2019.e02694
Popis: Ginsenoside-Rg5, which is derived from high temperature-processed ginseng, exhibits beneficial health effects. In the present study, ginsenoside-Rg5 was directly and rapidly prepared through the extraction of ginseng fibrous root powder (GFRP) at atmospheric pressure. The results showed that the highest extraction yield (3.79%) was obtained under optimal conditions (extraction temperature of 85 °C, acid concentration of 0.06 mol/L, sample to solvent ratio of 1:55 g/mL and ethanol concentration of 95% after 4 h). The current method integrates the extraction of original saponins and the modification of the saponins to rare ginsenosides Rg5, which was more simpler operation, more milder preparation condition and more efficient.
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