- 6 weeks old male Wistar rats were divided into 7 groups randomly. Low dosage group, medium dosage group, high dosage group, MCD diet group and pre-treatment group were received MCD diet in the first 6 week and then the diet was changed to the mixture of MCS diet and MCD diet with the ratio of 1:1. Pre-treatment group were received the medium dosage QSHY formula in advance one week before MCD diet treatment. Other drug treatment groups were received the drug treatment when the MCD diet treatment started. MCS diet group were received MCS diet during the whole experiment. MCD diet group were received the MCD diet during the whole experiment
