Table 4.

Glucose tolerance test (GTT) in type 2 diabetic patients receiving water (5 ml), glibenclamide (5 mg) and Allium cepa (100 g).

Preparations	Glucose level (mg/dL, mean ± S.E.M) Normal range 80–120 mg/dl13				Pvalue
	0 h	1 h	2 h	4 h
Water	190 ± 18.55	320 ± 22.26	290 ± 19.1	265 ± 8.67	0.004
Glibenclamide	185.6 ± 25.29	277 ± 26.41	203.8 ± 17.73	163.2 ± 15.46	0.001
Allium cepa	204.63 ± 11.7	372.5 ± 11.25	249 ± 13.2	213 ± 14.11	0.002