The effect of four metal ions Cu2+,Ni2+,Zn2+ and Co2+ on the interaction between bovine serum albumin(BSA) and esculetin extracted from a Traditional Chinese Medicine fraxinus chinensis bark,was investigated by means of UV and fluorescence spectroscopy.

• 以荧光光谱、紫外光谱技术研究了传统中药(秦皮)有效成分七叶内酯与BSA在金属离子Cu2+、Ni2+、Zn2+和Co2+分别共存时的相互作用。