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首页> 外文期刊>Mutation Research: International Journal on Mutagenesis, Chromosome Breakage and Related Subjects >Antimutagenicity of Tochu tea (an aqueous extract of Eucommia ulmoides leaves): 2. Suppressing effect of Tochu tea on the urine mutagenicity after ingestion of raw fish and cooked beef.
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Antimutagenicity of Tochu tea (an aqueous extract of Eucommia ulmoides leaves): 2. Suppressing effect of Tochu tea on the urine mutagenicity after ingestion of raw fish and cooked beef.

机译：杜仲茶（杜仲叶的水提取物）的抗致突变性：2.摄食生鱼和煮熟的牛肉后，杜氏茶对尿液致突变性的抑制作用。

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The effect of Tochu tea, which is an aqueous extract of Eucommia ulmoides leaves and a popular-beverage in Japan, on the urine mutagenicity before and after ingestion of raw fish and cooked beef was studied using Salmonella typhimurium YG1024. Urines were collected from seven healthy, non-smoking Japanese women before and after ingestion of raw fish and cooked beef. In experiment 1,3 were in a control group and 4 were in a Tochu tea-drinking group (2000 ml per day). The mutagenicity of urine from the Tochu tea-drinking group was much lower. In experiment 2 the 7 women switched groups; the tea-drinking group became the control group, and the control group became the Tochu tea-drinking group. Again, the mutagenicity of urine collected from the Tochu tea-drinking group was much lower. These results suggest that the decrease in the mutagenicity of the urine from the Tochu tea-drinking group was due to the intake of Tochu tea, but not to individual differences. Thus, the ingestion of Tochu tea may reduce human exposure to dietary mutagens.
机译：使用鼠伤寒沙门氏菌YG1024研究了杜仲茶（杜仲叶的水提取物和日本的一种流行饮料）对生鱼和熟牛肉摄入前后尿液致突变性的影响。在摄取生鱼和熟牛肉前后，从七名健康，不吸烟的日本妇女那里收集了尿液。在实验1，3在对照组，4在Tochu饮茶组（每天2000 ml）。喝Tochu茶组的尿液的诱变性要低得多。在实验2中，这7个女人切换了组饮茶组成为对照组，对照组成为土清饮茶组。同样，从Tochu饮茶组收集的尿液的诱变性要低得多。这些结果表明，喝豆腐茶的人尿液的致突变性降低是由于摄入豆腐茶而引起的，而不是由于个体差异。因此，摄入豆腐茶可以减少人类对饮食诱变剂的暴露。

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