Ginsenoside Rb2


CAS No. : 11021-13-9

Ginsenoside Rb2,11021-13-9
Product Details
For research use only. Not Intended for Therapeutic Use!
Cat No:I000420
Synonyms:NSC 308878
Molecular Formula:C53H90O22
Molecular Weight:1079.3
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Appearance: Powder
Purity: 99.0%
Cat No:I000420
Cas No:11021-13-9
Product-Name:Ginsenoside Rb2
InChIKey:NODILNFGTFIURN-GZPRDHCNSA-N

Ginsenoside Rb2 is a 20(S)-protopanaxadiol glycoside extracted from ginseng, shows potent antioxidant and anticancer biological activities.
IC50 value:
Target:
in vitro: Treatment of 0.1 to 10μM Rb2 promoted the proliferation of MC3T3-E1 cells, improved alkaline phosphatase (ALP) expression, elevated calcium mineralization and mRNA expressions of Alp, Col1a1, osteocalcin (Ocn) and osteopontin (Opn) against oxidative damage induced by H2O2. Importantly, Rb2 reduced the expression levels of receptor activator of nuclear factor kappa-B ligand (RANKL) and IL-6 and inhibited the H2O2-induced production of ROS [1]. Ginsenoside-Rb2 showed the highest protective activity, although other dammarane-type and oleanolic acid-type ginsenosides also induced a significant protection against HVJ [2]. Rb2 (3~30 μM), perfused into an adrenal vein for 90 min, inhibited ACh (5.32 mM)-evoked CA secretory response in a dose- and time-dependent fashion. Rb2 (10 μM) also time-dependently inhibited the CA secretion evoked by DMPP (100 μM, a selective neuronal nicotinic receptor agonist) and high K(+) (56 mM, a direct membrane depolarizer) [3].
in vivo: Multiple administrations of ginsenoside-Rb2 after the intravenous inoculation of B16-BL6 melanoma cells resulted in a significant inhibition of lung metastasis as compared with the untreated control [1].


[1]. Huang Q, et al. Ginsenoside-Rb2 displays anti-osteoporosis effects through reducing oxidative damage and bone-resorbing cytokines during osteogenesis. Bone. 2014 Sep;66:306-14.
[2]. Yoo YC, et al. Protective effect of ginsenoside-Rb2 from Korean red ginseng on the lethal infection of haemagglutinating virus of Japan in mice. J Ginseng Res. 2013 Mar;37(1):80-6.
[3]. Lim HJ, et al. Inhibitory effects of ginsenoside-rb2 on nicotinic stimulation-evoked catecholamine secretion. Korean J Physiol Pharmacol. 2014 Oct;18(5):431-9.

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