5-(Z-Heptadec-8-enyl)resorcinol is a natural product of Ardisia, Myrsinaceae. The catalog number is TN5637 and the CAS number is 52483-19-9. 5-(Z-Heptadec-8-enyl)resorcinol can be used as a reference standard.
4-O-Galloylbergenin shows significant 2,2-diphenyl-1-picrylhydrazyl (DPPH) free-radical scavenging activity with EC50 7.8 uM, it shows more antioxidant activity than the positive control vitamin C (EC50 = 28.3 uM).