Methods: Adopting the acid dye colormetric method to determine the contents of total alkaloids of Sophora Flavescens Ait from the three extracting liquids such as water regurgitation, ethanol regurgitation and ethanol percolation.

• 方法:采用酸性染料比色法,对苦参水回流、醇回流、醇渗滤三种提取液中的生物总碱进行含量测定。