Effects of Rosmarinus officinalis commercial extract on some antioxidant and biochemical indices in gold fish (Carassius auratus)

Document Type : Research Paper

Authors

1 Department of Food Hygiene and Aquatic Animals, Faculty of Veterinary Medicine, University of Tabriz, Tabriz, Iran.

2 Department of Veterinary and Animal Science, Nuclear Agriculture Research School, Nuclear Science and Technology Research Institute, Karaj, Iran.

Abstract

Rosemary (Rosmarinus officinalis) has various biologically active metabolites with antioxidant,

anti-inflammatory, anti-cancer and oxidative stress reduction properties.The current study was performed to examine the efficacy of dietary Rosmarinus officinalis commercial extract on some antioxidant and biochemical parameters in gold fish (Carassius auratus). Fish with mean weight 7.6 ± 0.5 g were divided into three groups and fed with 0 (as control group), 1 and 2 g kg
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Rosmarinus officinalis extract for 40 days. Based on the results, lower lipid peroxidation product (MDA) was observed in the treatment groups (P<0.05). Meanwhile, activities of some antioxidant enzymes, including catalase, superoxide dismutase and glutathione peroxidase were higher in the treatment groups compared to the control group (P<0.05). Feeding with Rosmarinus officinalis extract also led to a significant decrease in aspartate aminotransferase (AST) (P<0.05), whereas no significant changes were noted in alkaline phosphatase (ALP) and glutathione S-transferase (GST) activities (P>0.05). Therefore, the results of this study show that the administration of 1 and 2 g kg
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Rosmarinus officinalisextract had the potential to improve some antioxidant indices, as well as protecting the liver in gold fish and better results require more research.

Keywords

Journal of Fisheries
Volume 73, Issue 4
January 2020
Pages 505-514

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