Fig. 5From: Anti-hepatitis, antioxidant activities and bioactive compounds of Dracocephalum heterophyllum extractsFree radical scavenging activity of various fractions of D. heterophyllum. 0, 10, 30, 50, 100, 200 μg/mL of four D. heterophyllum extracts were measured by the DPPH method at 517 nm. BHT, BHA and α-tocopherol were used as standard antioxidantsBack to article page