Table 3. Gastric ulcer index and ulcer inhibition rate of the mice after treatment

Ethanol/HCl administration	Group (n=10)	Gastric ulcer index	Ulcer inhibition rate (%)
(–)	Physiological group	0±0.0	-
(+)	Pathological group	5.80±0.131)2)	↑100
	EL1	2.60±0.222)3)	↓55
	EL2	2.10±0.283)4)	↓63.33
	WL1	2.60±0.312)3)	↓55.33
	WL2	1.60±0.273)4)5)	↓72.33
	OM	0.70±0.153)7)	↓87.67

p<0.001 with physiological group.
p<0.001 with OM group.
p<0.001 with Pathological group.
p<0.05 with OM group.
p<0.05 with low dose of the same extract.
p<0.05 with physiological group.
p<0.05 with pathological group.
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.