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Effect of Aqueous Methanolic Extract of Pomegranate Peel (Punica granatum) and Veratrum (Veratrum album) on Oxidative Status, Immunity and Digestive Enzyme Activity in Rainbow Trout (Oncorhynchus mykiss)   
Yazarlar
Adem Yavuz Sönmez
Kastamonu University, Turkey
Soner Bilen
Kastamonu University, Turkey
Keriman Yürüten Özdemir
Kastamonu University, Turkey
Kerem Alagöz
Kastamonu University, Turkey
Halil Özçelik
Kastamonu University, Turkey
Özet
Aqueous methanolic extracts of pomegranate peel (Punica granatum) and veratrum (Veratrum album) were evaluated for their effects of supplementation in fish diets on oxidative status, digestive enzymes and immunity of rainbow trout fingerlings (Oncorhynchus mykiss). Three different concentrations of pomegranate 250 (P250), 500 (P500) and 1000 (P1000) mg kg-1 and veratrum 250 (V250), 500 (V500) and 1000 (V1000) mg kg-1 were added to the diet and the fish were fed these diets for 60 days over a control diet without any supplementation (P0 and V0, respectively). Immune responses and oxidative status of fish were evaluated every 20 days. Digestive enzyme activity and growth performances were determined at the end of study. We observed that the respiratory burst activity significantly increased (P<0.05) at the end of the study compared to control except in the V500 fish group. Lysozyme was increased on the 20th and 40th day of the study in all experimental groups compared to the control group (P<0.05). Myeloperoxidase activity was observed to increase on the 40th day in veratrum treated groups and significantly decreased (P<0.05) on the 60th day in all groups compared to the control. Haematological responses showed a declining trend in all the groups supplemented with veratrum extract. SOD activity increased in pomegranate groups while no differences were observed on catalase activity. G6PDH activity was observed to decline in the veratrum groups, however, GPx activity significantly increased (P<0.05) in V500 and V100 groups. Lipid peroxidation was determined at the lowest level on the 20th and 40th days of the study in P1000 and V250 fish groups. The study indicated a positive impact of pomegranate peel extract on the immunity of rainbow trout at moderate doses of supplementation.
Anahtar Kelimeler
Antioxidant activity | Digestive enzyme | Growth performance | Immune response | Punica granatum | Rainbow trout | Veratrum album
Makale Türü Özgün Makale
Makale Alt Türü SCOPUS dergilerinde yayımlanan tam makale
Dergi Adı Tarim Bilimleri Dergisi
Dergi ISSN 1300-7580
Makale Dili İngilizce
Basım Tarihi 01-2022
Cilt No 28
Sayı 2
Sayfalar 159 / 170
Doi Numarası 10.15832/ankutbd.870923