Sobiecka Elżbieta, Mroczkowska Milena, Olejnik Tomasz P
Institute of Natural Products and Cosmetics, Faculty of Biotechnology and Food Sciences, Lodz University of Technology, ul. Stefanowskiego 2/22, 90-357 Lodz, Poland.
Department of Sugar and Food Safety Management, Lodz University of Technology, ul. Wolczanska 171/173, 90-924 Lodz, Poland.
Antioxidants (Basel). 2022 Mar 31;11(4):684. doi: 10.3390/antiox11040684.
Water pollution can be moved or limited by macrophytes in a phytoremediation process. The presence of insecticides in the plant life environment may affect physiological processes and contribute to the formation of secondary oxidative stress in plant tissues. To protect against oxidative stress, macrophytes have developed a system of mechanisms consisting of nonenzymatic and enzymatic antioxidants. The influence of various concentrations of chlorpyrifos on the nonenzymatic system in Canadian waterweed ( Michx.), needle spikerush () and water mint ( L.) was studied. The differences in the value of the total concentration of polyphenols and flavonoids, as well as analysis of chlorophyll-a, chlorophyll-b, anthocyanin and carotenoid concentrations were determined in leaves. Research indicated a significant increase in the content of polyphenols and flavonoids in a solution with the highest concentration of chlorpyrifos while the opposite tendency was observed after analyses of the main assimilating pigments of plant tissues. It was concluded that aqueous plants exposed to toxic insecticide molecules created a defensive mechanism by nonenzymatic antioxidant systems and the amount of low-molecular weight compounds depended on the pollutant concentration which influenced biosynthesis mechanisms in plant cells.
在植物修复过程中，大型植物可以迁移或限制水污染。植物生存环境中杀虫剂的存在可能会影响生理过程，并导致植物组织中形成继发性氧化应激。为了抵御氧化应激，大型植物形成了一个由非酶和酶促抗氧化剂组成的机制系统。研究了不同浓度毒死蜱对加拿大伊乐藻（Michx.）、针蔺（）和水薄荷（L.）非酶系统的影响。测定了叶片中多酚和黄酮总浓度值的差异，以及叶绿素a、叶绿素b、花青素和类胡萝卜素浓度的分析。研究表明，在毒死蜱浓度最高的溶液中，多酚和黄酮的含量显著增加，而在分析植物组织的主要同化色素后观察到相反的趋势。得出的结论是，暴露于有毒杀虫剂分子的水生植物通过非酶抗氧化系统建立了防御机制，低分子量化合物的量取决于影响植物细胞生物合成机制的污染物浓度。
