APPLIED STUDIES OF AC REAGENT IN MULBERRY ANTIOXIDANT ACTIVITIES in vitro AND MAIN EFFICACY COMPONENTS IN SUMMER MULBERRY LEAVES Dynamic analysis of alkaloids and flavonoids in Genus Morus L.in China during different harvesting time Extraction and isolation technology of polysaccharide from mulberry leaves Effect of Cd on quality, physiological and biochemical characteristics of mulberry leaves and its mechanism Effect of different chemical compositions from mulberry leaf on decreasing glucose in blood