您好，欢迎访问北京市农林科学院 机构知识库！
北京市农林科学院机构知识库

全部

  • 全部
  • 标题
  • 学者
  • 机构
  • 关键词

Herbicidal activity and differential metabolism of lactofen in rat and loach on an enantiomeric level

文献类型： 外文期刊

作者： Wang, Fang 1 ; Gao, Jing 3 ; Li, Peize 3 ; Jiang, Shanxue 1 ; Wu, Junxue 5 ; Yao, Zhiliang 1 ;

作者机构： 1.Beijing Technol & Business Univ, State Environm Protect Key Lab Food Chain Pollut, Beijing 100048, Peoples R China

2.Beijing Technol & Business Univ, Sch Ecol & Environm, Beijing 100048, Peoples R China

3.China Agr Univ, Beijing Adv Innovat Ctr Food Nutr & Human Hlth, Dept Appl Chem, Beijing 100193, Peoples R China

4.Tsinghua Univ, Sch Environm, Beijing 100084, Peoples R China

5.Beijing Acad Agr & Forestry Sci, Inst Plant & Environm Protect, Beijing 100097, Peoples R China

关键词： Lactofen; Enantioselectivity; Herbicidal activity; Metabolites; Metabolic pathways; Liver microsomes; Responsible Editor; Ludek Blaha

期刊名称：ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH （ 影响因子：5.19； 五年影响因子：5.053 ）

ISSN： 0944-1344

年卷期： 2022 年 29 卷 19 期

页码：

收录情况： SCI

摘要： Enantioselectivity of chiral compounds is receiving growing concern. Lactofen, a chiral herbicide widely used in field crops and vegetables to control broadleaf weeds, is still sold as racemate. In this work, the herbicidal activity and metabolism behavior of lactofen were investigated on an enantiomeric level. Two common broadleaf weeds (Eclipta prostrata L. and Portulaca oleracea L.) were used to evaluate the herbicidal activity of rac-/R- and S-lactofen, and their metabolism behavior in loach and rat liver microsomes was explored. Higher herbicidal activity of S-lactofen was observed, with the 20d-EC50 values being 1.9-3.4 times lower than R-lactofen. Both loach and rat liver microsomes had ability to metabolize rac-lactofen, with half-lives of 1.93 and 1.28 h, respectively. Enantioselective metabolism behaviors were observed in loach and rat liver microsomes and the direction of enantioselectivity were different. R-lactofen was preferentially metabolized in loach liver microsome, while S-lactofen was preferentially metabolized in rat liver microsome. No interconversion of R- and S-lactofen was found. Besides, the main metabolic pathways of R- and S-lactofen were found to be significantly different. R-lactofen was metabolized to R-desethyl lactofen in both loach and rat liver microsomes without further metabolism. However, S-lactofen was metabolized to both S-desethyl lactofen and acifluorfene in rat liver microsome, which was mainly metabolized to acifluorfene in loach liver microsome. This study indicated enantioselectivity and metabolites should be taken into consideration when overall evaluating the environmental behavior of lactofen.

  • 相关文献
作者其他论文 更多>>
置顶
购物车
反馈

© 京ICP备09089781号-29 主办单位：北京市农林科学院

学术资源： 中国农业科学院 农业专业知识服务系统 农科联盟资源共建共享平台 中国农业科技文献与信息服务平台 中国农业期刊集成服务平台