Effect of pesticide 1-[6-chloro-3-methyl-pyridyl-8-nitro-7-methyl-1 2 3 5 6 7-hexahydro imidazo (1,2a)]-pyridine when responding to a wheat plant's antioxidant defense system

文献类型: 外文期刊

第一作者: Wang, P.

作者: Wang, P.;Yang, X.;Huang, W. W.;Zhang, M.;Lu, W. H.;Zhao, H. T.;Dong, A. J.;Zhang, H.;Xu, R. B.;Zou, P.;Cheng, C. L.;Zhang, Y. C.;Jing, J.;Wang, P.;Yang, X.;Wang, J.;Wang, P.

作者机构:

关键词: IPP;Antioxidant enzymes;Protein oxidation;WSC;Residue;HPLC

期刊名称:FOOD CHEMISTRY ( 影响因子:7.514; 五年影响因子:7.516 )

ISSN:

年卷期:

页码:

收录情况: SCI

摘要: The purpose of this research was to establish an analytical method for analysing the 1-[6-chloro-3-methyl-pyridyl-8-nitro-7-methyl-1 2 3 5 6 7-hexahydro imidazo-(1,2a)]-pyridine (IPP) residue levels and to evaluate the difference in plant growth and its physical condition. A high performance liquid chro-matography connected to a diode array detector (HPLC-DAD) was also employed. The results showed that the content of protein and water soluble carbohydrate (WSC) treated by IPP were initially higher with a significant delayed decrease. The biomarker response showed, even at a lower dose rate, exposure to the IPP caused stress effects and modified the activity of superoxide dismutase (SOD), guaiacol perox-idase (POD), catalase (CAT) and polyphenol oxidase (PPO). Different patterns of biomarker responses were observed by an increase in SOD and malondialdehyde (MDA), and differential effects for antioxidant enzymes with a decrease in CAT, POD and PPO. The conclusions show that this profile of biomarker variation could represent a useful method to characterise exposure to IPP in a wheat plant.

分类号: TS2`TS201.2

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