Optimizing the Method of Acetone Powder to Extract Polyphenoloxidase from Honeysuckle Using Response Surface Methodology Effect of Pine Wood Nematode(PWN) Infection on PhenylpropanesMetabolism in Masson Pine Seedlings The Changes of Some Enzymes Activities from Cucumber Leaves after Inoculation with Cucumber Powder Mildew Effect of heavy metal Cu on compost materials property and oxidoreductase activity during pig waste composting Full length cDNA cloning and tissue expression of prophenoloxidase from Oratosquilla oratoria Preparation and immunological characteristics of polyclonal antibody of prophenoloxidase from the hemolymph of Ostinia furnacalis Guene larvae Effects of Postharvest 1-MCP and Calcium Treatments on the Quality andSkin Browning Spot Incidence of Huangguan Pear Fruit Change of Activity of Phenoloxidase and Hemocytes in Apriona germari Larvae Infected by Beauveria bassiana Effect of natural occurring compounds 5,7,4-trihydroxyflavone etc. on growth of Pieris rapae Effects of Postharvest 1-MCP and Calcium Treatments on the Quality andSkin Browning Spot Incidence of Huangguan Pear Fruit The Cycles of Nutrient Elements of Copper and Molybdenum and Polyhenolxidase’s Activities of Larix principis-rupprechtii Effect of a Fluorescent Brightener, Host Plants and Geographic Strains of LdNPV on the Phenoloxidase Activity of Gypsy Moth Larvae ACTIVITIES CHANGES OF BROWNING ENZYMES DURING RHIZOME SWELLING OF LOTUS Effect of endophytic fungi on the culture and four enzyme activities of Anoectochillus formosanus Interaction between Eichhornia crassipes and its rhizospheric bacteria Relationship between Some Enzyme Activity and Resistance to Sclerotinia sclerotiorum of Rapeseed Cultivars Inhibitory Effects of Tetra-hexylresorcinol and Kojic Acids on the Phenoloxidase from Lymantria dispar