Correlation coefficients in CL method ranged from 1 to 0.877. IC50 values of the hydroxyl radical scavenging activity ranged from 9.7 to 275 μg dry extract/ml (see Table 2). The order was: ethyl acetate fraction < ether fraction < butanolic fraction < dichloromethane extract < water fraction. As it is observed from the above results, the most active fraction is ethyl acetate fraction in both tests.