Several common extractioin methods for quercetin from Sophora japonica buds are introduced.And its effects on central ne介绍了槐米中槲皮素的几种常规提取方法,并概括了槲皮素作用于中枢神经系统方面的功效,包括其镇痛作用、抗抑郁作用及对记忆的影响。