The presence of toxic metals in popular farmed fish species and estimation of health risks through their consumption

Resma, Nighat Sultana; Meaze, M.; Hossain, Shahadat; Khandaker, Mayeen Uddin; Kamal, Masud; Deb, Nipa

doi:10.1016/j.physo.2020.100052

Cited by 34 publications

(22 citation statements)

References 19 publications

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“…R f D (mg/person/day) of metals viz. Cr, Co, Cu, Zn, Hg, Pb and Mn is 0.003, 0.02, 0.04, 0.3, 0.0001, 0.004 and 0.046 respectively 20 , 23 – 28 Hazard index (HI) The HI can be used to assess the additive effects from various heavy metals taken via fish consumption (4) where, HI > 1 refers for consumers experiencing significant health hazards due to non-carcinogenic metals exposure 29 – 34 Cancer risk(CR) Carcinogenic risk describes the incremental probability of cancer in an individual over a lifetime, due to exposure to a substantial carcinogen CR ×10 –3 (5) where, CSF is the oral slope factor of carcinogens (mg/kg/day) provided by USEPA (2010a, 2010b); CSF values are available only for Cr (0.003 mg/kg/day) and Pb (0.0085 mg/kg/day). The probability of the development of cancer in a consumer would be > 1 in 100,000, when CR values are above 10 −5 24 , 35 – 44 MCF and MPI This index helps to assess the metal pollution level in the studied fish (6) MPI = (MCf 1 × MCf 2 × MCf 3 × ……….. × MCf n ) 1/n (7) where, MCF 1,2,..n represent the metal contamination factors for the different metals in the tissue sample of a certain species while n is the number of metals studied.…”

Section: Methodsmentioning

confidence: 99%

“…The HI can be used to assess the additive effects from various heavy metals taken via fish consumption HI = n i=k THQ (4) where, HI > 1 refers for consumers experiencing significant health hazards due to non-carcinogenic metals exposure [29][30][31][32][33][34] Cancer risk(CR) Carcinogenic risk describes the incremental probability of cancer in an individual over a lifetime, due to exposure to a substantial carcinogen 53 (with a range from 0.403 to 0.092 mg/kg) and Bashir et al 54 (with a range from 0.54 to 79.08 mg/kg). However, present results have been found to be comparable with those of Sivaperumal et al 55 in muscle tissue of fish in Indian fish markets (0.14 mg/kg to 3.36 mg/kg).…”

Section: Hazard Index (Hi)mentioning

confidence: 99%

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Levels and health risk assessment of heavy metals in dried fish consumed in Bangladesh

Rakib

Jolly

Enyoh

et al. 2021

Sci Rep

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As a cheap source of high-quality protein, healthy fats and essential nutrients, dried fish is a common item in the daily diet of the Bangladesh populace. In this study, ten types of widely consumed dried fish (H. neherius, T. lepturu, P.chinensis, P. affinis, A. mola, P. microdon, I. megaloptera, C. dussumieri, L. calcarifer, and G. chapra) were analyzed for Cr, Mn, Fe, Co, Cu, Zn, Se, Rb, Hg, Pb, Ni and As by using an Energy Dispersive X-ray Fluorescence (EDXRF) technique. The concentration of the studied metals was found in the order Fe > Zn > Hg > Cu > Se > Cr > Mn > Co > Rb > Pb, while As and Ni were below the limit of detection. All fish species showed moderate to high pollution, where the species H. Neherius and P. Chinensis are the most and least polluted ones, respectively. The probable source of contamination is the leaching from the drying pans into the fish samples, atmospheric deposition, anthropogenic contamination, etc. of the water body where these fish were harvested. The calculated hazard index for the general population was below the maximum limiting value (i.e., < 1) except for Hg to children. The carcinogenic risk showed values lower than the acceptable limit for cancer risks (10–6 to 10–4). Periodic monitoring of trace metals in the aquatic organisms along with fish is recommended to avoid any unexpected health hazards caused by the toxic heavy metals via fish consumption.

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Section: Methodsmentioning

confidence: 99%

Section: Hazard Index (Hi)mentioning

confidence: 99%

Levels and health risk assessment of heavy metals in dried fish consumed in Bangladesh

Rakib

Jolly

Enyoh

et al. 2021

Sci Rep

Self Cite

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“…The life time cancer risk (LTCR) was determined for several of the metals (Cd, As, Cr, Ni, and Pb), oral exposure being considered to bear carcinogenic risks. The cumulative cancer risk arising from exposure to metal carcinogens in consumed foodstuffs is assumed to be a linear sum of each of the individual metal risks [ 40 , 43 , 44 ], and can be obtained by Equation (6):

with n = 1, 2 …… n representing the individual metal contaminants/carcinogens in foodstuffs. Equation (6) gives the totality of carcinogenic risk of all the heavy metals present in the seaweed.…”

Section: Methodsmentioning

confidence: 99%

“…The sum of HQs for all major metals provides the estimated potential for adverse effects from exposures to multiple metals, assuming each to have similar working mechanisms and linear effect upon a given target organ [38,39]. Generally, it is considered that an exposed population is at minimal risk when the hazard index is (HI = Σ HQs) < 1 [38][39][40].…”

Section: Noncarcinogenic Riskmentioning

confidence: 99%

“…The life time cancer risk (LTCR) was determined for several of the metals (Cd, As, Cr, Ni, and Pb), oral exposure being considered to bear carcinogenic risks. The cumulative cancer risk arising from exposure to metal carcinogens in consumed foodstuffs is assumed to be a linear sum of each of the individual metal risks [40,43,44], and can be obtained by Equation (6):…”

Section: Carcinogenic Riskmentioning

confidence: 99%

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Elevated Concentrations of Metal(loids) in Seaweed and the Concomitant Exposure to Humans

Khandaker

Chijioke

Heffny

et al. 2021

Foods

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While the consumption of seaweed and seaweed-based products is very common amongst East Asian nations, forming a notable component of the daily diet, relatively very few studies have concerned the concentrations of heavy metals in these together with potential effects on human health. The present study analyses the concentrations of 17 elements in locally resourced seaweed, also assessing potential noncarcinogenic and carcinogenic risks. The samples were ground, homogenized, and quantified using the ICP-OES technique. It has been found that the essential elements K, Ca, Mg, Zn, and Na typically show concentrations somewhat greater than a number of potentially toxic metals, in particular, Cd, Pb, Ag, and As, with exceptions being Ni, Cr-VI, and Si. Statistical analysis indicates all of the latter to have similar origin, with increased concentration of these metals within the marine ecosystem. While the daily estimated intake of most metals is seen to be within the daily dietary allowance level recommended by various international organizations, the noncarcinogenic risk shows a value greater than unity, estimated via the hazard quotient. This indicates a potential for adverse effects to health arising from consumption of the sampled seaweed. The carcinogenic risk resulting from nonessential elements shows values greater than the United States Environmental Protection Agency (US-EPA) reference limit of 10−4. Considering the nonbiodegradability of heavy metals and metalloids and their potential accumulation in seaweed, there is need for critical examination of metal levels in the seaweeds obtained from the present study locations, together with the introduction of practices of removal of heavy metals via bio-adsorbent techniques.

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Heavy metal (As, Cr, and Pb) contamination and associated human health risks in two commercial fish species in Bangladesh

Al Mazed,

Haque,

Iqbal

et al. 2023

Environ Monit Assess

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The presence of toxic metals in popular farmed fish species and estimation of health risks through their consumption

Cited by 34 publications

References 19 publications

Levels and health risk assessment of heavy metals in dried fish consumed in Bangladesh

Levels and health risk assessment of heavy metals in dried fish consumed in Bangladesh

Elevated Concentrations of Metal(loids) in Seaweed and the Concomitant Exposure to Humans

Heavy metal (As, Cr, and Pb) contamination and associated human health risks in two commercial fish species in Bangladesh

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