6-O-Nicotinoylscutebarbatine G shows cytotoxic activities against three human tumor cell lines, namely, HONE-1 nasopharyngeal, KB oral epidermoid carcinoma, and HT29 colorectal carcinoma cells, and with IC50 values in the range of 2.1 5.7 μM.
Viscidulin II can be potential therapeutic agents against P. acnes-induced skin inflammation, it can significantly suppress P. acnes-induced IL-8 and IL-1β production in THP-1 cells, concomitant intradermal injection of viscidulin II with P. acnes can effectively attenuate P. acnes-induced ear swelling, and decrease the production of IL-6 and tumor necrosis factor-α in ear homogenates.