IIARD International Institute of Academic Research and Development

INTERNATIONAL JOURNAL OF CHEMISTRY AND CHEMICAL PROCESSES (IJCCP )

E-I SSN 2545-5265
P- ISSN 2695-1916
VOL. 10 NO. 6 2024
DOI: 10.56201/ijccp.v10.no6.2024.pg65.74

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Proximate analysis and Minerals Evaluation of Fresh and Smoked Catfish ( Clarias Gariepinus)

Umar, S. G. Anyekema, M., Umar, A., and Osesua, B.A.

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Abstract

The nutritional value of fish can be defined in terms of its proximate contents (% Carbohydrate, % Protein, % Fat, % Ash content, % fibre content and % moisture content) and nutrient values (Ca, Cd, Cr, Fe, Hg, Mg, Pb and Zn). The aim of this study was to evaluate the nutritional contents such as proximate composition and mineral elements of both fresh and smoked catfish (Clarias Gariepinus) in order to ascertain it nutritional value and understand the effect of smoking on the nutritional properties of the fish. Proximate analysis was carried out using AOAC (2007) method while the mineral elements were evaluated using Atomic Absorption Spectrophotometer. Fresh catfish (% carbohydrate, 48.23 ± 0.85; % protein, 21.06 ± 0.08; % fat, 27.01 ± 0.40; % ash content, 3.48 ± 0.32; % fibre content, 0.97 ± 0.07; % moisture, 10.03 ± 0.53; Ca, 11.03 ± 0.31; Cd, 0.035 ± 0.00; Cr, 0.71 ± 0.01; Fe, 35.02 ± 0.023; Hg, 0.17 ± 0.04; Mg, 12.20 ± 0.02; Pb, 0.58 ± 0.03; Zn, 1.03 ± 0.05). Smoked catfish (% carbohydrate, 51.03 ± 0.04; % protein, 18.88 ± 0.25; % fat, 25.08 ± 0.28; % ash content, 4.09 ± 0.31; % fibre content, 0.71 ± 0.01; % moisture, 8.09 ± 0.32; Ca, 67.25 ± 12.67; Cd, 0.031 ± 0.01; Cr, 0.73 ± 0.03; Fe, 26.01 ± 0.01; Hg, 0.09 ± 0.05; Mg, 7.22 ± 0.12; Pb, 0.67 ± 0.02; Zn, 0.87 ± 0.01). For the proximate values, there are significant differences between the fresh catfish samples and the smoked catfish samples with less value for the smoked catfish samples except %carbohydrate and %ash content. The results show significant differences between fresh catfish and smoked catfish samples with higher values for the fresh catfish samples except calcium and lead. The fresh catfish samples have higher nutrient values than the smoked catfish samples.

keywords:

Clarias Gariepinus, proximate, analysis, nutrients, fresh catfish, smoked catfish.

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