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作者研究了紫阳茶的水提取物与醇提取物的抗突变作用。微核试验表明,紫阳茶提取物能降低由环磷酰胺诱导的小鼠骨髓多染红细胞的微核率,抑制率为55.0％～ 83.5％;Ames试验表明,紫阳茶提取物可明显抑制由Dexon和2-AF诱导的鼠伤寒沙门氏菌的回复突变率。上述结果提示紫阳茶具有抗突变作用。
The authors studied the antimutagenic effects of water extracts and alcohol extracts of Ziyang tea. Micronucleus test showed that Ziyang tea extract could reduce the micronucleus rate of mouse bone marrow multi-erythrocytic cells induced by cyclophosphamide, the inhibition rate was 55.0% to 83.5%; Ames test showed that Ziyang tea extract can be significantly inhibited by Dexon And 2-AF induced reversion rate of Salmonella typhimurium. The above results suggest that Ziyang tea has antimutagenic effect.