Table 2.

Effect of berberine on intracellular ROS of L929 cells (n = 3).

Concentration (mg/mL)	ROS
Control	2.68 ± 0.08
0.005	9.21 ± 1.27∗∗
0.025	10.64 ± 1.19∗∗
0.1	21.40 ± 1.59∗∗
Positive control	56.23 ± 1.07∗∗

Values are expressed as mean ± SD. Compared with control, ^∗∗ p < 0.01.