Effect of smoking and chargrilling on toxic metal(loid) levels in tilapia from the Afram Arm of the Volta Lake
Effect of smoking and chargrilling on toxic metal(loid) levels in tilapia from the Afram Arm of the Volta Lake
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Date
2022
Authors
Dwumfour-Asare, Bismark
Nomolox Solomon, Kofi Adherr
Dartey, Emmanuel
Emmanuel, Agyapong Asare
Kofi, Sarpong
Journal Title
Journal ISSN
Volume Title
Publisher
Environmental Pollutants and Bioavailability
Abstract
This study assessed the effect of smoking and chargrilling on arsenic (As), cadmium (Cd),
mercury (Hg), and lead (Pb) levels in tilapia from cage farm and wild of the Afram Arm of Lake
Volta in Ghana. Method of assessment was an Inductively Coupled Plasma - Mass
Spectrometer. Culinary methods did not affect Cd levels in anyway, likewise Pb in cage fish.
Wild fish Pb levels decreased significantly (p < 0.05) from raw (0.013 ± 0.004 mg/kg) after
smoking (0.0077 ± 0.0007 mg/kg), and chargrilling (0.006 ± 0.0004 mg/kg). Raw As levels
(wild: 0.0325 ± 0.0007 mg/kg, cage: 0.0478 ± 0.0009) increased significantly by smoking (wild:
0.064 ± 0.002; cage: 0.0104 ± 0.006). Smoking introduced Hg (0.005mg/kg) in wild samples.
Chargrilling significantly increased As levels in cage fish (0.072 ± 0.004). These contaminants
were always below the maximum permissible consumption levels. The CR of As was below
the threshold (10-4) likewise THQ and HI below (1), hence consuming tilapia from study site
either smoked or chargrilled is safe
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Citation
Adherr, N. S. K., Dartey, E., Dwumfour-Asare, B., Agyapong Asare, E., & Sarpong, K. (2022). Effect of smoking and chargrilling on toxic metal (loid) levels in tilapia from the Afram Arm of the Volta Lake. Environmental Pollutants and Bioavailability, 34(1), 136-145.