Figure 4

Antioxidant activities of EPS from Bacillus subtilis xztubd1 and ascorbic acid against DPPH radicals (A), superoxide radicals (B), and hydroxyl radicals (C). Data are expressed as the mean ± standard error.

Antioxidant activities of EPS from Bacillus subtilis xztubd1 and ascorbic acid against DPPH radicals (A), superoxide radicals (B), and hydroxyl radicals (C). Data are expressed as the mean ± standard error.