scholarly journals Health Risks Assessment of Heavy Metal from Consumption of Oreochromis Mossambicus and Oreochromis Niloticus in Denpasar, Bali

2021 ◽  
Vol 13 (4) ◽  
pp. 250
Author(s):  
Ni Made Utami Dwipayanti ◽  
I Gst. Ayu Kunti Sri Panca Dewi ◽  
Ni Putu Gita Saraswati Palgunadi ◽  
Muliana Rofida ◽  
Ni Ketut Sutiari ◽  
...  

Introduction: Heavy metals in the environment can accumulate in organisms through the food chain process. Previous studies recorded heavy metal concentrations above threshold limits value in Badung river, which warrants monitoring adverse health outcomes due to consuming fish from this river. This research aimed to estimate the potential risk from heavy metals exposure, namely Pb, Cd, Cu, and Cr, due to fish consumption. Methods: Fish samples were limited to Oreochromis Mossambicus and Oreochromis niloticus, commonly known as tilapia. Twenty samples of composite fish muscles were collected from three fishing sites. Subsequently, the heavy metals present in the samples were quantified using an atomic absorption spectrophotometer (AAS), and health risks were assessed by calculating estimated daily intake (EDI) and target hazard quotient (THQ) for both carcinogenic and non-carcinogenic risks. Results and Discussion: The average concentrations of Pb in Oreochromis Mossambicus (6.35±3.21 mg/kg) and Oreochromis niloticus (6.09±3.07 mg/kg) exceed the threshold limits value for fish products, but other heavy metals remain below. The average EDI from consuming Oreochromis Mossambicus with Pb is 0.0025-0.0026 mg/kg/days; Cu is 0.0037- 0.0062 mg/kg/day; Cr is 0.0001 mg/kg/day. EDI from consuming Oreochromis niloticus with Pb is 0.0015-0.0025 mg/kg/day; and 0.00 mg/kg/day for Cu and Cr. The THQ calculation for carcinogenic and non-carcinogenic health risks showed no health risk from consuming the fish from the Badung River. Conclusion: The study concludes that the consumption of Oreochromis Mossambicus and Oreochromis niloticus from the Badung River was generally safe from potential health risks.

2021 ◽  
Vol 18 (3) ◽  
pp. 603-610
Author(s):  
GMM Anwarul Hasan ◽  
Mohammed A. Satter ◽  
Anuj Kumer Das

This study estimated the concentrations of heavy metals in regularly consumed sour, sweet and homemade traditional yogurts in Bangladesh. A total of 300 yogurt samples (sour, sweet and homemade traditional); 100 yogurt samples of each category were considered for this assay. To assess the health risks, the daily yogurt consumption rate and the value of target carcinogenic and non-carcinogenic risks of these yogurt samples were also determined. In sour yogurt samples, detected heavy metal contents were 0.398±0.121 mg/kg, 0.774±0.372 mg/kg, 0.087±0.021 mg/kg, 0.131±0.026 mg/kg, 0.011±0.006 mg/kg, 0.031±0.005 mg/kg, 0.445±0.267 mg/kg and 0.029±0.024 mg/kg while in sweet yogurt samples, detected heavy metal contents were 0.410±0.146 mg/kg, 0.704±0.324 mg/kg, 0.082±0.028 mg/kg, 0.146±0.025 mg/kg, 0.010±0.005 mg/kg, 0.030±0.007 mg/kg, 0.460±0.265 mg/kg, and 0.035±0.026 mg/kg and in homemade traditional yogurt samples, detected heavy metal contents were 0.410±0.147 mg/kg, 1.502±0.367 mg/kg, 0.085±0.020 mg/kg, 0.120±0.024 mg/kg, 0.011±0.005 mg/kg, 0.020±0.005 mg/kg, 0.251±0.174 mg/kg and 0.025±0.021 mg/Kg for Iron (Fe), Copper (Cu), Manganese (Mn), Zinc (Zn), Lead (Pb), Cadmium (Cd), Chromium (Cr) and Arsenic (As) respectively. Among the analyzed heavy metals, highest concentration of Cu and lowest concentration of Pb was detected in all yogurt types. The values of estimated daily intake (EDI), Target hazard quotient (THQ), Total THQ (TTHQ) and Target Carcinogenic risk (TCR) confirmed that, there have no chances of any kind of carcinogenic and non-carcinogenic risks from these yogurt samples.


Author(s):  
Obasi UCHE Orji ◽  
Udu Ama Ibiam ◽  
Nonso Joshua Awoke ◽  
Otuomasirichi Divine Obasi ◽  
Anayo Joseph Uraku ◽  
...  

Mining is one of the major sources of heavy metals in most developing countries and this has become a major health concern to the populace due to the possibility of food contamination with these heavy metals. We investigated the levels of titanium (Ti), manganese (Mn), nickel (Ni), copper (Cu), zinc (Zn), lead (Pb), rubidium (Rb), strontium (Sr), selenium (Se), niobium (Nb) and vanadium (V) in 64 soil and  320 samples of regularly consumed staple food crops and vegetables (cassava tubers, white yam, groundnut seed, fluted pumpkin leaf and Z. zanthoxyloides from farms around Enyigba mining sites in Ebonyi State and the possible health risks due to consumption of these staple foods. Energy dispersive X-ray fluorescence (EDXRF) was used in determination of the metals in the samples respectively. The mean levels of the metals except Mn, Pb and Zn were below the threshold limits for agricultural soils. Our data also showed that food crops cultivated around this sites bio-accumulated toxic levels of these metals above the recommended legal limits set by WHO, NAFDAC and CODEX especially Pb, Zn, Cu, Ni, Se, and Rb. This perhaps may have potential health implication on the local dwellers. The estimated daily intakes (EDI) of the toxic metals through the consumption of the crop samples were below the maximum tolerable daily intake (MTDI) except lead and nickel by eating of groundnut, cassava and yam. Furthermore, the target hazard quotient (THQ), computed based on EDI of the heavy metals were above unity for the metals due to cassava, yam and groundnut consumption, suggesting significant health risk. Raised amounts of heavy metal in cassava and groundnut samples as revealed by their metal extraction coefficient computed in this study hint that they may be used as bio-indicators of ecological, health hazards and phytoremediators of Mn, Zn, Cu, and Pb.


2020 ◽  
Vol 15 (3) ◽  
pp. 56-63
Author(s):  
L.U Usman ◽  
R. Yerima

Ingestion of vegetables containing heavy metal is one of the main ways in which these elements enter the human body. Once entered, heavy metals are deposited in bone and fat tissues, overlapping noble minerals. Slowly released into the body, heavy metals can cause an array of diseases. This study aimed to assess the heavy metals residues in some vegetables and potential health risk among consumers within Katsina Metropolis. Six different vegetable samples comprising of cucumber (Cucumis sativus), cabbage (Brassica oleracea), lettuce (Lactuca sativa), spinach (Spinacia oleracea), red pepper (Piper nigrum) and tomato (Lycopersicum esculentus) were randomly collected from two main irrigation farmland located in Katsina Metropolis (Kofar sauri and Kofar marusa). Their level of toxic metals namely (Copper, Zinc, Cadmium, Chromium and Lead) were assessed using standard materials and methods. Results obtained were used to estimate the health risk of these heavy metals via consumption of the vegetable samples. The results from the study showed that the mean heavy metal concentration ranged between 1.10±0.00 mg/kg to 4.45±0.16 mg/kg, 1.78±0.07 mg/kg to 4.9±0.11 mg/kg, 0.02±0.00 mg/kg to 1.28±0.02 mg/kg, 1.51±0.02 mg/kg to 4.34±0.02 mg/kg and 1.05±0.01 mg/kg to 2.86±0.02 mg/kg for Cu, Zn, Cd, Cr, and Pb respectively. The concentration of Cu and Zn were found to be below permissible limit while Cd, Cr and Pb concentration exceeded the permissible limit recommended by WHO/FAO. Health risks associated with the intake of these metals were evaluated in terms of estimated daily intake (EDI), hazard quotient (HQ) and hazard index (HI). EDI value of Cu and Zn were found to be below the maximum tolerable daily intake (MTDI). The HQ of all the metals were >1, suggesting health hazards risk for the population. Moreover, HQ of Cd and Pb were greatly higher through consumption of cucumber, cabbage, lettuce and red pepper indicating significant health risks. HI was found to be higher >1 (3.32 mg/kg and 3.91 mg/kg) in adult and children respectively for consumption of spinach; however, it was much higher >1 (10.49 mg/kg and 12.4 mg/kg) in adult and children respectively for consumption of cabbage, suggesting more adverse health effects from cabbage consumption than spinach. The findings of this study shows the health risks associated with the consumption of heavy metals through the intake of some the selected vegetables within Katsina Metropolis, therefore, there is need for biomonitoring of these heavy metals in the vegetable because these are some of the main sources of food for humans in many parts of the world. Keywords: Heavy metal, Estimated Daily Intake, Hazard Quotient, Hazard Index, Consumption


2021 ◽  
Vol 6 (4) ◽  
pp. 508-518
Author(s):  
Vedaste Munyeshury ◽  
Eutilerio Felizardo Crisino Chaúque ◽  
Noor Jehan Gulamussen ◽  
Jaime Silvestre Mandlate ◽  
Heidi Richards ◽  
...  

Due to the toxicity of trace metals and the propensity of fishes to bioaccumulate metals in their tissues, we investigated the concentrations of arsenic (As), cadmium (Cd), copper (Cu), iron (Fe), lead (Pb), mercury (Hg), and zinc (Zn) in the muscles of tilapia (Oreochromis mossambicus) and catfish (Chrysichthys nigrodidatatus) collected from open markets in Mozambique. Fe and Hg were the most and least bioaccumulated metals in the fishes, respectively. One-way ANOVA showed significant differences between sites for the analytes. Furthermore, we estimated the possible health risks (estimated daily intake (EDI), target hazard quotient (THQ), and maximum allowable consumption rate (CRlim)) associated with fish consumption. The concentrations of As, Cd, and Pb exceeded the recommended maximum permissible limits (MPL) in fish samples, ranging between 5.65 – 12.7, 1.05 – 12.9, and 1.88 – 6.45 mgkg-1, respectively, whereas values lower than MPL viz. 5.25 – 18.9, ND – 0.033, and 30.8 – 52.3 mgkg-1 were observed for Cu, Hg, and Zn, respectively. Similarly, the EDI (mgkg-1day-1) were below the provisional tolerable daily intake (PTDI) with decreasing order: Fe >Zn >Cu >As >Cd >Pb>Hg. However, the THQ (mg kg-1) was slightly > 1 for As and Cd in some samples. Moreover, the CRlim (kg day-1) showed a decreasing order of Hg >Fe >Zn >Pb> Cu >Cd >As. Generally, consumers are susceptible to health hazards associated with As and Cd. Hence, regular toxicological monitoring of the fishes from the study area is imperative.


Author(s):  
D. N. Ogbonna ◽  
O. O. Ndukwu ◽  
T. K. S. Abam ◽  
S. A. Ngah

Heavy metals pollution of the environment is a serious concern because of the hazardous effects they pose to human health, ecosystems and other biological receptors. The aim of this study was to assess the ecological risk of exposure to heavy metals and physicochemical parameters around Otamiri and Imo rivers in Etche and Oyibo Local Government Areas of Rivers State. Water, sediment, arrow head plant (Sagittaria latifolia) and christmas bush Plant (Ceratopetalum gummiferum), tilapia fish samples (Oreochromis niloticus) and cat fish (Clarias gariepinus) were collected at different points from five sample stations for wet and dry seasons. These samples were analyzed quantitatively to assess the levels of contamination in the samples using the ecological risk assessment models associated with exposure to these contaminants. The results of the heavy metal analysis show that the Estimated Daily Intake (EDI) for biota samples ranged from 0.000 – 1.254 mg/kg/day while water ranged from 0.000 -0.322 mg/kg/day. The target hazard quotient (THQ) ranged from 0.000 – 69.228 for both biota and river water samples for Otamiri and Imo rivers The hazard index values indicated significant public health risk with values of 1.42 was recorded for Tilapia and 33.14 for Christmas bush plant. Cancer risk due to heavy metals exposure had a peak value of 1.04 x10-1 for wet season. The bioaccumulation of the metals showed that the pollution load index values ranged from 2.467- 5.822 in wet season and 9.708 – 99.853 in dry season. The presence of these heavy metals above threshold values suggest that the aquatic life that inhabit such rivers risk bioaccumulation which may affect the human population that depends on Otamiri/Imo rivers for fishing, drinking or irrigation. These poses a danger if bioaccumulation was to take place over a long period of time.


Biologija ◽  
2019 ◽  
Vol 65 (3) ◽  
Author(s):  
Ijeoma Patience Oboh ◽  
Benjamin Chima Okpara

Consumption of fish is a primary route of exposure to heavy metals that could be detrimental to human health due to the tendency of bioaccumulation and biomagnification along the food chain. The aim of this study was to evaluate the accumulation of heavy metals (Ni, Zn, Pb, Fe, and Cr) in two commercially available fishes, Clarias gariepinus and Parachanna obscura, and to estimate the health risks they pose to humans through consumption. Twenty-four (24) fish samples (triplicates for each month for the two species) were collected between July and October 2017. Heavy metals were identified using the atomic absorption spectrophotometer and the health risk to consumers was evaluated using Estimated Daily Intake (EDI), the Target Hazard Quotient (THQ), and the Hazard Index (HI). The THQ for the individual metals in C. gariepinus and P. obscura occurred in the decreasing order of Cr > Pb > Ni and Cr > Pb > Ni > Fe with risk values of 0.015, 0.004, and 0.001, and 0.014, 0.010, 0.002, and 0.001, respectively. The hazard index for C. gariepinus and P. obscura were 0.021 and 0.027, respectively. The values of the hazard index values of the two fish species were below the threshold value of 1, an indication of no potential health risk to consumers of the fishes. However, with the occurrence of bioaccumulation of metals in the studied fishes, regular monitoring of the river is recommended.


2021 ◽  
Vol 46 (2) ◽  
Author(s):  
T. F. Akinhanmi ◽  
F. Akinwunmi ◽  
O. O. Ajala ◽  
E. E. Usanga

Fish is a major source of food in many parts of the world because they contribute to solving the global food problem and provide the well-known proteins, minerals, vitamin and trace elements content. Concentrations of iron (Fe), zinc (Zn), copper (Cu), nickel (Ni), lead (Pb) and cadmium (Cd) were determined in various parts of the fish (liver, gill, bone and muscle) of Mackerel (Scomber scombrus), Sardine (Sardinella longiceps), Hake (Merluccius merluccius) and Express (Platax scalaris) which were purchased from two major markets in Abeokuta, Ogun State, Nigeria. Heavy metal levels in the fish samples were analyzed by Atomic Absorption Spectrophotometer (AAS Buck 211). Health risks related to Fe, Zn, Cu, Ni, Pb and Cd were assessed based on target hazard quotient (THQ). Results obtained showed variations in the levels of heavy metals across the various tissues in the fish samples. The concentration of Fe was highest in all the tissues in the fish samples with the gill recording the highest level. There were higher concentrations of heavy metals in the gills than in other tissues of the fish samples. The trend of heavy metal levels in the tissues was found to be Fe > Zn > Cu > Ni > Pb > Cd. Highest levels of Pb and Cd in the muscle were 1.92 ± 0.04 and 0.64 ± 0.04 mg/kg in Merlucciusmerloccius and Scomberscombrus respectively. The concentrations of Pb and Cd were higher in the muscles of all the samples than European Community and Food and Agriculture Organization maximum permissible levels. The health risks from Ni and Pb were found highest among all the heavy metals in the fish samples. THQ values of Cu and Cd in Sardinellalongiceps and Cu in Merlucciusmerloccius were higher than 1. Health risk assessment of Ni and Pb in all the fish studied and Cd in Sardinellalongiceps indicates that their consumption may be unsafe.


2019 ◽  
pp. 1-10
Author(s):  
A. I. Yaradua ◽  
A. J. Alhassan ◽  
A. Nasir ◽  
M. Bala ◽  
A. Usman ◽  
...  

This study was conducted to determine the heavy metals concentration in Tomato fruits cultivated in Katsina State Nigeria. The objectives were mainly to detect the presence of heavy metals in the cultivated Tomato fruits in the study area, compare the concentration of heavy metals in samples in relation to the permissible limits specified by WHO/FAO/USEPA Standards. Samples of cultivated tomato fruits were collected in the year 2017 from the selected areas. Analysis for the concentration of these heavy metals; Cr, Cd, Fe, Ni, Mn, Pb and Zn was conducted by the use of AAS (by Atomic Absorption Spectrophotometry) method. The health risks to the local inhabitants from the consumption of the samples were evaluated based on the Target Hazard Quotient (THQ). The possibility of cancer risks in the samples through intake of carcinogenic heavy metals was estimated using the Incremental Lifetime Cancer Risk (ILCR). Results from this study has shown that with the exception of the mean values for the heavy metal Pb (1.171–1.21 mg/kg), the mean concentration (mg/kg) range values of Zn (0.558- 1.851), Fe (0.880–1.181), Mn (0.458-0.671) and Cd (0.054-0.062) were below the WHO/FAO maximum permissive limits. The results have indicated that the estimated daily intake (EDI) of the heavy metals were lower than the tolerable daily intake limit set by the USEPA in all the samples. All the studied tomato fruits showed the risk level (HI < 1). Risk level of Target Hazard Quotient (THQ < 1) was observed for all the evaluated heavy metals for both adults and children. The THQ for the samples were in the decreasing order Mn>Zn>Pb>Fe>Cd, for all the tomato fruits respectively. ILCR for Cd violated the threshold risk limit (>10−4) and ILCR for Pb reached the moderate risk limit (>10−3) in all the studied samples in adults, While in children ILCR for both Pb and Cd violated the risk. The sampling area trend of risk for developing cancer as a result of consuming the studied samples showed in decreasing order: Daura senatorial zone > Funtua senatorial zone> Katsina senatorial zone for both adult and children.  Cumulative cancer risk (∑ILCR) of all the studied tomato fruits reached the moderate risk limit (>10−3) in adults, while in children it is above the moderate risk limit (>10−2). The study suggests that consumption of the studied tomato fruits in Katsina state is of public health concern as they may contribute to the population cancer burden.


2021 ◽  
Vol 8 (1) ◽  
pp. 1-5
Author(s):  
Nahla S El-Shenawy ◽  
Heba N Gad EL-Hak ◽  
Mahi A Ghobashy ◽  
Maha FM Soliman ◽  
Farida A Mansour ◽  
...  

Accumulation of heavy metals in fish is considered a critical problem for human health. Therefore, the study aimed to quantify the concentrations of iron (Fe), zinc (Zn), manganese (Mn), and lead (Pb) in Oreochromis niloticus and Clarias gariepinus from two areas in Al Sharqia governorate, Egypt, from September 2017 to August 2018. A human health risk assessment was conducted to evaluate the potential hazards associated with fish consumption. Metals concentrations (mg/kg dry weight) in muscles of catfish ranged 1.88-221.26 for Fe; 1.78-19.77 for Zn; BDL-238.51 for Mn; BDL-22.75 for Pb. In muscles of tilapia fish metals concentrations ranged 7.96-149.10 for Fe; 1.20-19.77 for Zn; BDL-230.82 for Mn; BDL-25.93 for Pb. Pb had Hazard quotients (HQs) which indicated potential health risks to tilapia consumers at both study areas and catfish consumers at the Faqous area. Fishermen were at higher risk compared to the other consumers.


Author(s):  
Özgür Canpolat ◽  
Metin Çalta

Keban Dam Lake is the second largest dam lake in Turkey. In addition, it has the feature of being one of the most important dam lakes in our country in terms of both aquaculture potential and electricity generation. In this study, fish samples belong to Capoeta trutta caught from Örencik region of Keban Dam Lake were used. The concentrations of some heavy metals (copper, iron, zinc, chromium, nickel, cadmium, arsenic and mercury) in muscle of Capoeta trutta and the potential health risk from consumption of this fish species were examined. In addidion, the relationship between the heavy metal levels and some biological aspects of fish (weight, length and sex) were determined. As a result of the study, it was determined that the most and the least accumulated heavy metals in the muscle tissue of Capoeta trutta were zinc and cadmium respectively. The concentration of heavy metals showed differences according to weight, length and sex of fish. The results were found indicated that heavy metal levels in the muscle tissue of Capoeta trutta are below the tolerable values recommended by EPA, WHO and FAO. Therefore, there is not any risk for human consumption of this fish species.


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