LIPC and hyperlipidemia: After the administration of PLE, the serum levels of total cholesterol (TC), triglyceride (TG) and low-density lipoprotein cholesterol (LDL-C) in hyperlipidemia rats decreased, the levels of high-density protein cholesterol (HDL-C) increased, and the activities of SOD, GSH-Px and hepatic lipase (HL) increased significantly, indicating that PLE had a significant effect on lowering blood lipids.