E-ISSN 2683-5961 | ISSN 2354-1814
 

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Online Publishing Date:
13 / 10 / 2019

 


Heavy metals in frozen marine fish species from markets in Warri Delta state Nigeria

Oiseoje Michael Wangboje, Oghenekaro Theodora Najomoh, Ufuoma Isaiah Efenudu.


Abstract
The research determined the concentrations of Arsenic (As), Cadmium (Cd), Copper (Cu) and Lead (Pb) in the myonematic tissues of selected frozen marine fish species purchased from markets in Warri town, Delta state, Nigeria, in order to ascertain their suitability for human consumption, in the wake of paucity of data regarding the metal levels in such fish in the town, employing Atomic Absorption Spectrometric technique. The mean concentrations of heavy metals in Trachurus trachurus ranged from below detection limit (BDL) for As in all markets to 0.81 mg/kg (Cu) at Igbudu market with significant differences (P<0.05) observed in the mean concentration of Cu in fish between markets. The mean concentrations of heavy metals in Clupea harengus ranged from BDL for As in all markets to 0.60 mg/kg (Cu) at Igbudu market while the mean concentrations of heavy metals in Gadus morhua ranged from BDL for As in all markets to 0.62 mg/kg (Cu) at Igbudu market. The mean concentrations of heavy metals in Scomber scombrus ranged from BDL for As in all markets to 0.75 mg/kg (Cu) at Igbudu market with significant differences (P<0.05) observed in the mean concentration of Pb in fish between markets. The toxicity quotient (TQ) values ranged from zero (0) for As in all fishes to 1.43 (Pb) in S. scombrus. Lead was the metal of potential health significance as its mean concentration in S. scombrus was well above international thresholds. Such fish must thus be eaten with caution to avoid deleterious health effects over time.

Key words: Frozen fish, heavy metals, toxicity quotient


 
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How to Cite this Article
Pubmed Style

OMW, Najomoh OT, Efenudu UI. Heavy metals in frozen marine fish species from markets in Warri Delta state Nigeria. Equijost. 2019; 6(1): 29-41.


Web Style

OMW, Najomoh OT, Efenudu UI. Heavy metals in frozen marine fish species from markets in Warri Delta state Nigeria. https://www.equijost.com/?mno=56820 [Access: March 04, 2024].


AMA (American Medical Association) Style

OMW, Najomoh OT, Efenudu UI. Heavy metals in frozen marine fish species from markets in Warri Delta state Nigeria. Equijost. 2019; 6(1): 29-41.



Vancouver/ICMJE Style

OMW, Najomoh OT, Efenudu UI. Heavy metals in frozen marine fish species from markets in Warri Delta state Nigeria. Equijost. (2019), [cited March 04, 2024]; 6(1): 29-41.



Harvard Style

, O. M. W., Najomoh, . O. T. & Efenudu, . U. I. (2019) Heavy metals in frozen marine fish species from markets in Warri Delta state Nigeria. Equijost, 6 (1), 29-41.



Turabian Style

, Oiseoje Michael Wangboje, Oghenekaro Theodora Najomoh, and Ufuoma Isaiah Efenudu. 2019. Heavy metals in frozen marine fish species from markets in Warri Delta state Nigeria. Equity Journal of Science and Technology, 6 (1), 29-41.



Chicago Style

, Oiseoje Michael Wangboje, Oghenekaro Theodora Najomoh, and Ufuoma Isaiah Efenudu. "Heavy metals in frozen marine fish species from markets in Warri Delta state Nigeria." Equity Journal of Science and Technology 6 (2019), 29-41.



MLA (The Modern Language Association) Style

, Oiseoje Michael Wangboje, Oghenekaro Theodora Najomoh, and Ufuoma Isaiah Efenudu. "Heavy metals in frozen marine fish species from markets in Warri Delta state Nigeria." Equity Journal of Science and Technology 6.1 (2019), 29-41. Print.



APA (American Psychological Association) Style

, O. M. W., Najomoh, . O. T. & Efenudu, . U. I. (2019) Heavy metals in frozen marine fish species from markets in Warri Delta state Nigeria. Equity Journal of Science and Technology, 6 (1), 29-41.





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