As the time of animals taking HCD went on, serum total cholesterol, LDL cholesterol and hepatic cholesterol increased, but bile acids of biliary tract decreased gradually.

• 血总胆固醇、LDL胆固醇、肝脏及胆汁胆固醇随进食HCD的时间增加而逐渐增高，胆汁中胆汁酸则逐渐降低。