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Use of hematological parameters to assess the efficiency of quince (Cydonia oblonga Miller) leaf extract in alleviation of the effect of ultraviolet – A radiation on African catfish Clarias gariepinus (Burchell, 1822)

Paper ID Volume ID Publish Year Pages File Format Full-Text
31064 44537 2010 8 PDF Available
Title
Use of hematological parameters to assess the efficiency of quince (Cydonia oblonga Miller) leaf extract in alleviation of the effect of ultraviolet – A radiation on African catfish Clarias gariepinus (Burchell, 1822)
Abstract

The present study aimed to elucidate the negative impacts of UVA on some biochemical and hematological variables of the economically important African catfish, Clarias gariepinus and investigates the putative role of quince (Cydonia oblonga Miller) leaf extract in protection and/or alleviation of such negative impacts. Changes in the hematological and blood biochemical values often reflect alteration of physiological state. Blood parameters can be useful for the measurement of physiological disturbances in stressed fish and thus provide information about the level of damage in the fish. We found a significant (P < 0.05) decrease in the red blood cell counts, hemoglobin and hematocrit in the groups exposed to UVA compared to the control groups. Exposure to UVA induced marked red cell shrinkage (increased mean cell hemoglobin concentration) and showed an elevation in mean cell volume and mean cell hemoglobin in the blood of the exposed fish compared to the control. A significant (P < 0.05) reduction in the total white blood cells was recorded in the exposed fish compared to the control. The biochemical parameters (blood glucose, total plasma protein, blood cholesterol, plasma creatinine, aspartic amino transferase and alanine amino transferase) exhibited a significant increase in the blood of fish exposed to UVA.Methanolic extract of quince leaf before ripening of the fruits was analyzed by GC/MS. To investigate the biological impact of this extract and its biologically active components, this extract was tested for its putative role in alleviation of UVA effect on catfish. Quince leaf extract had the ability to prevent hematotoxic stress induced by UVA and resulted in enhancement of the immune system of catfish represented by significant (P < 0.05) increase in the number of white blood cells and lymphocytes of the catfish. Quince extract also protected the red blood cells from UVA damage. To our knowledge this is the first report of the effect of quince leaf extract on an aquatic organism.

Keywords
UV; Hematological parameter; African catfish Clarias gariepinus; Quince extract; Hematotoxic stress
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Use of hematological parameters to assess the efficiency of quince (Cydonia oblonga Miller) leaf extract in alleviation of the effect of ultraviolet – A radiation on African catfish Clarias gariepinus (Burchell, 1822)
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Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Photochemistry and Photobiology B: Biology - Volume 99, Issue 1, 2 April 2010, Pages 1–8
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us