| Groups | Diet composition |
|---|---|
| N | Normal rat+basal control diet |
| STZ | DM rats2)++basal control diet |
| STZ-M | DM rats+feed diet containg 5% mulberry leaf powder |
| STZ-G | DM rats+feed diet containg 5% green tea powder |
| STZ-MG | DM rats+feed diet containg 5% mixture of mulberry leaf and green tea powder |