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(20)R-Protopanaxadiol is a sapogenin that has been found in P. ginseng and has anticancer and antibacterial activities.1,2,3 It has a cytotoxic concentration (CC50) value of 6.1 µM in MT-4 human T cell leukemia cells and inhibits the growth of several additional cancer cell lines, including A549 human lung carcinoma, SKOV3 human ovarian adenocarcinoma, SK-Mel-2 human melanoma, P388 and L1210 murine leukemia, and K562 human chronic leukemia cells (ED50s = 11-26 µM).1,2 (20)R-protopanaxadiol also inhibits the growth of H. pylori in vitro (MICs = 50-100 µg/ml).3
WARNING This product is not for human or veterinary use.
1. Cytotoxicities of ginseng saponins and their degradation products against some cancer cell lines. Arch. Pharm. Res. 18(3), 164-168 (1995).
2. Inhibitory effect of some triterpenoid saponins on glucose transport in tumor cells and its application to in vitro cytotoxic and antiviral activities. Planta Med. 60(3), 240-243 (1994).
3. Metabolism of 20(S)-