Abstract: A study was carried on anti-oxidative activity of Flos chrysanthemum extract.Chrysanthemum extract was full of flavones.Some precesses to extract flavones from chrysanthemum for scavenging active oxygen radical were reported in this paper.The results showed that chrysanthemum flavones could scavenge· OH、 0· 2 and affect the anti-oxidative activity.

Key words: Flos Chrysanthemum Antio-oxidative Flavones oxygen radical