Group A (A. sativum) received 800 µkg-1.day-1 of A. sativum by garage (the garlic was crushed and mixed with drinking water to a total volume of 10 mL) for 5 weeks, the PS group (negative control) received 0.9% physiological saline by gavage 10 mL.day-1 for 5 weeks and group C (cilostazol) received cilostazol (ZHENJIANG Haisen, China) at a dose of 50 mg.day-1 for 5 weeks by gavage (cilostazol was diluted in 10 mL drinking water).