Table 3.

Total antioxidant, peroxide scavenging, and superoxide scavenging activities of various Conyza extracts.

Treatment	Antioxidant activity a,b	Peroxide scavenging activity (%)a	Superoxide scavenging activity (%)a
I	91.3 ± 1.4	67.3 ± 3.1	65.0 ± 3.5
II	132.7 ± 2.2	49.7 ± 2.0	96.7 ± 4.7
III	4.7 ± 0.9	42.0 ± 1.8	84.0 ± 4.6
IV	67.7 ± 2.1	45.7 ± 4.0	81.0 ± 5.2
V	1.3 ± 0.1	28.7 ± 2.2	62.0 ± 5.5
Trolox	192.3 ± 3.5	32.3 ± 2.9	61.7 ± 3.7

^aThe data are expressed as means ± SEM; n = 3.

^bThe activity is expressed as equivalent of trolox (μg trolox/g extract).