Table 4. Evaluation of mouse gastric tissues after treatment (n=5 for each group)

Feature	Group
	Normal group (%)	Control group (%)	EL1 (%)	EL2 (%)	WL1 (%)	WL2 (%)	OM (%)
Stomach tissues are within normal ranges	100	0	0	0	20	20	100
Mild chronic gastritis	0	0	20	0	40	80	0
Mild chronic gastritis with mucosal erosion	0	0	0	20	0	0	0
Mild active chronic gastritis with mucosal erosion	0	0	40	60	40	0	0
Moderate active chronic gastritis with mucosal erosion	0	0	20	0	0	0	0
Active chronic gastritis with ulceration	0	0	20	20	0	0	0
Active chronic gastric ulcer	0	100	0	0	0	0	0

EL1, 96% ethanol extract of Ludwigia octovalvis at the dose of 0.7 g/kg.
EL2, 96% ethanol extract of L. octovalvis at the dose of 1.4 g/kg.
WL1, Water extract of L. octovalvis at the dose of 0.5 g/kg.
WL2, Water extract of L. octovalvis at the dose of 1.0 g/kg.
OM, Omeprazole at the dose of 20 mg/kg.