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Ahmet Uyar

Ahmet Uyar

Yuzuncu Yil University, Turkey

Title: Protective effects of Urtica dioica seed extract in aflatoxicosis: Histopathological and biochemical findings

Biography

Abstract

The ameliorative potential and antioxidant capacity of an extract of Urtica dioica seeds (UDS) was investigated using histopathological changes in liver and kidney of broiler, measuring serum marker enzymes, antioxidant defense systems and lipid peroxidation (malondialdehyde (MDA) content in various tissues of broilers exposed to afl atoxin (AF). A total of 32 broilers were divided randomly into 4 groups: control, UDS extract-treated, AF-treated and AF+UDS extract-treated. Broilers in control and UDS extract-treated groups were fed on a diet without AF. Th e AF-treated group and AF+UDS extract-treated groups were treated with an estimated 1 mg total AF/kg feed. Th e AF+UDS extract groups received in addition 30 ml UDS extract/kg diet for 21d. Th e AF-treated group had signifi cantly decreased body weight gain when compared to the other groups. Biochemical analysis showed a small increase in the concentrations of serum aspartate aminotransferase, alanine aminotransferase, gamma glutamyl transpeptidase and lactate dehydrogenase in the AF-treated group compared to that of the control group, whereas concentrations of these enzymes roup compared to that of the AF-treated group. Administration of supplementary UDS extract helped restore the AF-induced increase in MDA and reduced the antioxidant system towards normality, particularly in the liver, brain, kidney and heart. Hepatorenal protection by UDS extracts was further supported by the almost normal histology in AF +UDS extract-treated group as compared to the degenerative changes in the AF-treated broilers. It was concluded that UDS extract has a protective hepatorenal eff ect in broilers aff ected by afl atoxicosis, probably acting by promoting the antioxidative defense systems.