Based on the enhancement in ECL of Ru(bpy)32+ by MT, a simple method for the determination of MT in medicines with an extraordinarily low detection limit of 1.0 10-10 mol/L is presented.

• 基于MT对Ru(bpy)_3~(2+)的ECL的增强作用，建立一种十分灵敏简便的褪黑素ECL快速检测体系，最低检测限达到1.；0×10~(-10)mol/L，应用于保健药品分析。