Table 1.

Antioxidant activities of different fractions from Selaginella doederleinii in DPPH assay.

Samples	DPPH (IC50, μg·mL−1)a
Petroleum ether fraction	53.1 ± 0.8
Ethyl acetate fraction	12.5 ± 1.6
n-BuOH fraction	29.4 ± 1.1
Ascorbic acidb	15.6 ± 1.2
Quercetinb	4.7 ± 0.5
BHTb	46.8 ± 0.3

^aEach value is mean ± SD (n = 3); ^bis used as control.