An Preliminary Studiy on Hepato-protective Action of Seed Oil of Hippophae rhamnoides L,(HR)and Mechanism of the Actlon Acute Toxicities of Flesh Oil of Hippophae rhammoides L. and Its Protection Against Experimental HepaticInjury Cloning and analysis of the phosphate transporter protein SgPT1 from Stylosanthes Protective Effect of Extracts from Aloe vera L. var. chinensis (Haw.) Berg. on Experimental Hepatic Lesions and Primary Clinical Study of Aloe Injection in Patients with Hepatitis