Eulophiol, isolated from the plant of Pholidota yunnanensis Rolfe, shows the 1,1-diphenyl-2-picrylhydrazyl (DPPH) free radical scavenging activity with an EC50 of 27.7μM. Antioxidant activity[1].
[1]. X-Y Guo, et al. 9, 10-Dihydrophenanthrene Derivatives From Pholidota Yunnanensis and Scavenging Activity on DPPH Free Radical. J Asian Nat Prod Res. 2007 Mar;9(2):165-74.
















