Efficiency and Mechanism Evaluation of Magnolia officinalis Water Extract in Preventing Gastric Ulcer

Table 2

Effect of Magnolia officinalis water extract on ROS production of RGM 1 cells.

Magnolia officinalis water extract (mg/ml)	ROS production (%)
0	53.6 ± 3.8
0.1	38.2 ± 4.5^∗
1	49.2 ± 4.3
2	48.4 ± 3.5
5	50.3 ± 4.1
10	47.6 ± 4.5
Sucralfate 3 mg/ml	33.7 ± 3.6^∗

Cells were pretreated with Magnolia officinalis water extract or sucralfate in normal medium (pH 7.4) for 2 h and then exposed to the acidic medium (pH 4.0) for 10 minutes. Values represent as the mean ± S.E. (n = 3). 0 mg/ml Magnolia officinalis water extract, as a negative control. ^∗ vs. negative control.