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本实验通过不同的方法研究了绿茶对香烟烟雾凝结物的致突变性的抑制作用。目的在于探讨用简单的方法降低吸烟对人类的危害。材料与方法一．材料来源绿茶：信阳毛尖产自商城县苏仙石镇东河村（豫南农专加工）。香烟：郑州卷烟研究所试制８５８型。苯并比：ＳＩＧＭＡ公司生产。
In this experiment, different methods were used to study the inhibitory effect of green tea on the mutagenicity of cigarette smoke condensate. The purpose is to explore the simple ways to reduce the harm of smoking to humans. Materials and methods. Source of material Green tea: Xinyang Maojian originates from Shanghe County, Suxian Town, East River Village (Henan Agricultural College processing). Cigarette: Zhengzhou Cigarette Institute trial 858 type. Benzo ratio: SIGMA company.