Patent ID: 6197304
Filing Date: 2001-03-06
Classification: A61K,A61Q

Abstract:
A fractionated extract of Ramulus mori prepared by:extracting Ramulus mori with water or an organic solvent and evaporating said solvent to form a solid phase;adding water to said solid phase in an amount of 1 to 10 times the dry weight of the solid phase to form a suspension;adding to said suspension chloroform in the same amount as the added water to fractionate the suspension into two phases;isolating the water-fractionated layer from the two phases,adding to the isolated water-fractionated layer, ethyl acetate in the same amount as the added water to separate the layer into two phases again;isolating the ethyl acetate-fractionated layer, andevaporating, said isolated ethyl acetate-fractionated layer.