20(S)-Protopanaxatriol

An active ginsenoside metabolite; cytotoxic to HL-60 cancer cells (IC50 = 16 µM); inhibits the proliferation of HUVECs (EC50 = 6.64 µg/ml); blocks LPS-induced increases in the protein levels of COX-2 and iNOS and decreases LPS-induced NF-κB activity in RAW 264.7 cells from 1-20 µM