Table II.

The effect of Icariin on blood glucose in T2DM rats.

Groups	Blood glucose (mmol/l) before STZ injection	Blood glucose (mmol/l) 21 days after drug treatment
Control	2.21±0.4	2.88±0.7
Diabetic	2.29±0.5	5.89±1.1a
Metformin	2.25±0.5	3.16±0.9b
Icariin 5 mg/kg	2.25±0.6	5.48±1.3
Icariin 10 mg/kg	2.35±0.4	4.02±1.2b
Icariin 20 mg/kg	2.27±0.7	3.27±0.7b

Values are means ± standard deviation.

^aP<0.05 vs. the control group;

^bP<0.05 vs. the diabetic group; n=10; T2DM, type 2 diabetes mellitus.