Table 1. Comparison of general conditions of rats in each group.

Groups	Food intake g/(kg.d)	Water intake ml/(kg.d)	Body weight (g)	Heart weight index (%)	Blood glucose (mmol/l)
N	63.3 ± 5.6	103.8 ± 11.7	471.2 ± 17.7	3.9 ± 0.3	6.7 ± 0.8
DM	118.5 ± 7.5*	278.6 ± 15.6*	285.8 ± 20.3*	5.5 ± 0.6*	25.9 ± 4.8*

Results are expressed as mean ± standard deviation, n=8 compared with N (normal).

*P<0.01.