Research Article

Processing and Storage Effects on the Proximate Composition, Changes in Heavy Metal Contents and Total Volatile Base Nitrogen (TVB-N) of Selected Fish Species in Osun State, Nigeria  

Faith E. Bala , Abiodun Victor Ikujenlola , Taiwo O. Omobuwajo
Department of Food Science and Technology, Obafemi Awolowo University, Ile-Ife, Nigeria
Author    Correspondence author
International Journal of Aquaculture, 2018, Vol. 8, No. 15   doi: 10.5376/ija.2018.08.0015
Received: 28 Apr., 2018    Accepted: 17 May, 2018    Published: 08 Jun., 2018
© 2018 BioPublisher Publishing Platform
This is an open access article published under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Preferred citation for this article:

Bala F.E., Ikujenlola A.V., and Omobuwajo T.O., 2018, Processing and storage effects on the proximate composition, changes in heavy metal contents and total volatile base nitrogen (TVB-N) of selected fish species in osun state, Nigeria, International Journal of Aquaculture, 8(15): 112-120 (doi: 10.5376/ija.2018.08.0015)

 

Abstract

This study assessed the effect of location, processing methods and storage on the proximate composition, heavy metal contents and total volatile base nitrogen (TVB-N) of some selected fish species from Asejire and Opa reservoirs, Osun state. The fish species were processed by salting, drying, smoking, storing (25 ± 2°C) and analyzed for proximate composition, heavy metal contents and TVB-N. Protein, fat, ash and carbohydrate increased after processing but moisture content reduced. During storage the heavy metal concentrations reduced but moisture content and TVB-N increased; indicators of deterioration. The study concluded that processes such as smoking, drying and salting contributed to the keeping quality of the fishes and reduced the bio-accumulated heavy metal concentrations of the fish species.

Keywords
Arsenic; Drying; Salting; Smoking; Total volatile base nitrogen
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International Journal of Aquaculture
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