Fig. 1

Time course of changes in blood sugar levels after oral administration of GAE in diabetic rats. Data expressed as means ± SEM. Each group comprised of five animals. NC and DC rats received 0.5 % MC and DS rats received 150 mg/kg Metformin, GAE200 and GAE400 received 200 and 400 mg/kg Grewia asiatica bark extracts. †p <0.05, ††p <0.01, †††p <0.001 compared to NC, *p <0.05, **p <0.01 and ***p <0.001 compared to DC