【摘要】 目的建立六味地黄丸中丹皮酚的电化学检测方法。方法循环伏安(CV)、差分脉冲(DPV)及紫外和高效液相色谱等。结果在0.1 mol.L-1的NaOH-NaH2PO4(pH=11)底液中、100 mv.s-1的扫描速度下丹皮酚在铂电极上有一灵敏的氧化峰,峰电流与其浓度在5.0×10-6~1×10-3mol.L-1的范围内呈良好的线性关系,线性回归方程为:I=0.23-4082.64×C(r=0.998 4),检出限为1×10-6mol.L-1。应用于六味地黄丸中丹皮酚的检测,结果令人满意。结论该方法准确可靠,操作简便、快速,重现性好,无干扰。更多还原

【Abstract】 Aim To establish the electric chemistry analysis method to measure paeonol in liuweidihuangwan.Method Cyclic voltammetry,differential pulse voltammetry,UV and HPLC were used.Result 0.1 mol·L^-1 NaOH-Na H₂PO₄buffer solution（pH=11）,a sensitive oxidization peak of paeonol is obtained.The peak current is directly proportional to the concentration of paeonol over the range of 1.0×10^-5～1.0×10^-3mol·L¹ with the detection limit of 5×10^-6mol·L^-1.Conclusion The method is applied to the determination of paeonol in Liuweidihuangwan with satisfactory results.Conclusion This method is accurate and dependable,easy to operate,have good reappearance and no interference.更多还原