The daidzein standard curve equation was Y=71519X-85913 with correlation coefficient R2 =0.9937. The standard deviation(SD) was lower than 7% when six samples were continuously analyzed.

• 本论文只确定了分析黄豆苷元的方法，确定黄豆苷元标准工作曲线方程为Y=71519X-85913，相关系数R~2=0.；9937。 连续进样6次，标准偏差(SD)小于7%25。