摘要　采用蚕豆根尖细胞微核检测技术，分析测定不同茶类抗香烟烟雾水溶物诱变的效果.结果表明，各茶类茶叶都具有明显降低香烟烟雾水溶物诱发细胞微核率的作用，抗诱变效果为绿茶、乌龙茶明显优于白茶、红茶，而绿茶与乌龙茶及白茶与红茶之间差异不大；各茶类1∶50茶水比抗诱变能力强于1∶100茶水比；抗诱变效果与茶叶中儿茶素含量高低呈正相关.由此提示饮茶可能是吸烟与被动吸烟者抗烟毒的有效途径之一.

　　关键词　茶类；香烟烟雾水溶物；微核率；儿茶素

　　中图分类号　S571.1

Effects of different tea on decreasing cellular micronuclei frequency induced by cigarette

Sun Yun

(Department of Horticulture, Fujian Agricultural University, Fuzhou 350002)

Guo Chunfang

(Department of Biology, Fujian Educational College, Fuzhou 350001)

　　Abstract　Different tea was added to water-soluble substance containing cigarette smoke and the effects were an