Method: To adopt the ultraviolet spectrophotometry, the absorbability was used as the Y-axis and the concentration as the X-axis by drawing standard curve for determination of the content of peimine.

• 方法:采用紫外分光光度法,以吸收度为纵坐标,浓度为横坐标,绘制标准曲线测定贝母素甲含量。