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Ameliorative effect of nanoencapsulated flavonoid against chlorpyrifos‐induced hepatic oxidative damage and immunotoxicity in Wistar rats

The theme of the present work is to evaluate the protective effect of nanoencapsulated quercetin (NEQ) against chlorpyrifos (CPF)‐induced hepatic damage and immune alterations in animals. Nanoparticles (NP) drug encapsulation was prepared. Forty male Wistar rats were divided into eight groups. Two groups served as control and CPF (13.5 mg/kg) treatment for 28 days. Other three groups were free quercetin (QC), NP and NEQ treated with 3 mg/kg respectively for 15 days; whereas remaining three groups received treatment of CPF and QC, NP, NEQ, respectively, for 15 days. The results show that significantly altered oxidative stress in the liver tissue and liver enzyme parameters in blood and immune responses in CPF‐treated rats compared to controls. Administration of NEQ attenuated biochemical and immunological parameters. The liver histopathological analysis confirmed pathological improvement. Hence, use of NEQ appeared to be beneficial to a great extent in attenuating and restoring hepatic oxidative damage and immune alteration sustained by pesticide exposure.