Preservation Effect of Composite Biological Preservative on Refrigerated Scallops Determination of Flavonoids Content in Propolis Oral Liquid Studies on the Chemical Constituents of Beijing Propolis Protective effect of propolis extract on activity oxygen free radical and alloxan-induced hepatic injury in rat Flavonoids from Beijing Propolis Antioxidant Activity of Solvent Extracts of Xinjiang Propolis and Determination of Quercetin and Chrysin Propolis Research progress in anti-inflammatory activity of propolis and its molecular mechanism Study on HPLC fingerprint and quality control of Propolis Advance in studies on antioxidant activity of propolis and its molecular mechanism Isolation and Identification of Antibiotic Constituents of Propolis from Henan Advances in studies on regulation effects and mechanisms of propolis on glycometabolism and lipid metabolism Preparation technology of propolis extract