【摘要】：正Polychlorinated biphenyls(PCBs),as one category of dioxins possess much potential hazard to the environment.Toxicological effects of exposure to polychlorinated biphenyl(PCBs) include hepatotoxicity,immunotoxicity and reproductive problems,as well as respiratory,mutagenic and carcinogenic effects[1,2].For PCBs,when it entered into the body,the distribution and metabolism of them are correlated with their binding affinities toward human serum albumin(HSA)