New acylated flavonol glycosides with antibacterial activity from root barks of Sophora japonica

The root barks of Sophora null null null null null null null null null null null null null null null null null null null null null null null null japonica L., a plant widely used in traditional Chinese medicine, were extracted with 70 % Me2CO. The antibacterial activity of the crude extracts and fractions from the subsequent purification was evaluated against two Gram-positive bacteria (Bacillus null null null null null null null null null null...