A ginsenoside metabolite that has been linked to endothelial cell function via the glucocortoid receptor (GR) and the oestrogen receptor (ER).[1]
Application
Protopanaxadiol [20(R)-protopanaxadiol], a dammarane-type tetracyclic terpene sapogenin, may be used to study its binding to and modulation of endothelial cell function via glucocortoid (GR) and the oestrogen (ER) receptors. Protopanaxadiol may be used to study its catabolism by cytochrome-P450s. 20(R)-protopanaxadiol may be used in comparative studies versus 20(S)-protopanaxadiol.
Science China. Life sciences, 58(11), 1099-1110 (2015-11-14)
Panax ginseng C. A. Meyer is an important traditional herb in eastern Asia. It contains ginsenosides, which are primary bioactive compounds with medicinal properties. Although ginseng has been cultivated since at least the Ming dynasty to increase production, cultivated ginseng
When ginsenoside Rg3 was anaerobically incubated with human fecal microflora, all specimens metabolized ginsenoside Rg3 to ginsenoside Rh2 and protopanaxadiol. The main metabolite was ginsenoside Rh2. 20(S)-ginsenoside Rg3 was quickly transformed to 20(S)-ginsenoside Rh2 or 20(S)-protopanaxadiol in an amount 19-fold
Applied microbiology and biotechnology, 89(4), 1019-1028 (2010-11-06)
The production of compound K and aglycon protopanaxadiol (APPD) from ginsenoside Rd and ginseng root extract was performed using a recombinant β-glycosidase from Pyrococcus furiosus. The activity for Rd was optimal at pH 5.5 and 95°C with a half-life of
Ginseng (Panax ginseng C.A. Meyer) is one of the most popular medicinal herbs and contains pharmacologically active components, ginsenosides, in its roots. Ginsenosides, a class of tetracyclic triterpene saponins, are thought to be synthesized from dammarenediol-II after hydroxylation by the
European journal of pharmacology, 668(1-2), 88-98 (2011-06-28)
20(S)-Protopanaxadiol (PPD), a metabolite of ginsenosides, has been demonstrated to possess cytotoxic effects on several cancer cell lines. The molecular mechanism is, however, not well understood. In this study, we have shown that PPD inhibits cell growth and induces apoptosis
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