Heavy metal content in farmed rainbow trout in relation to aquaculture area and feed pellets

Majlesi, Majid; Malekzadeh, Janmohamad; Berizi, Enayat; Toori, Mehdi Akbartabar

doi:10.21603/2308-4057-2019-2-329-338

Cited by 12 publications

(5 citation statements)

References 51 publications

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“…The carcinogenic and non-carcinogenic CDI values were obtained using the following formula [17]: Many recent studies used the Target Hazard Quotient (THQ) to peruse the potential non-carcinogenic effect of elements in the edible tissues of fish. In the present study, THQ was computed using the following equation to assess non-carcinogenic risks for trace elements in the fillet for adults [27][28][29][30][31][32][33]:…”

Section: Srudy Objects and Methodsmentioning

confidence: 99%

Farmed Turkish salmon: Toxic metals and health threat

Bat

Arıcı

Öztekin

et al. 2021

Foods and Raw Materials

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Introduction. Toxic metals in fish, even at low levels, have negative consequences for human health. Even essential metals pose a health threat if consumed in certain quantities. Mercury, cadmium, and lead are the most frequent metals containing in fish. The research objective was to inspect the quality of aquaculture fish found in most major grocery chains across Turkey. Study objects and methods. The present research featured the quantities of Zn, Fe, Cu, Al, Pb, Hg, and Cd in Turkish salmon. The sampling took place between February and June 2019. The cumulative carcinogenic and non-carcinogenic risk for consumers was evaluated based on trace element levels in a prospective health risk assessment using the U.S. EPA model of lifetime exposure. Results and discussion. Fe proved to be the most abundant element in fish fillets, followed by Zn and Cu. Other elements appeared to be far below the permissible values, namely Al ≤ 0.5, Cd ≤ 0.02, Pb, and Hg ≤ 0.05. All the trace elements detected in Turkish salmon were below the reference dose values. The percent contribution to total risk by Fe, Cu, and Zn were 34.20, 24.80, and 41.01%, respectively. The hazard index was ≤ 1. The contamination of aquaculture fish fillet proved insignificant, and the carcinogenic risk was entirely negligible. Conclusion. The research revealed no hazardous trace elements, and their cumulative effects were not indicated in the hazardous index.

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Section: Srudy Objects and Methodsmentioning

confidence: 99%

Farmed Turkish salmon: Toxic metals and health threat

Bat

Arıcı

Öztekin

et al. 2021

Foods and Raw Materials

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show abstract

“…In addition, among the important factors that may affect the Cd level in tissues are the environment and sediment contamination. A previous study reported that the lowest Cd concentration was found in edible tissues of fish farmed in locations close to springs not polluted by sewage from urban or rural areas [38]. In Sudan, high levels of Cd and Pb were found in water and fish samples obtained from contaminated areas of the Nile River [39].…”

Section: Resultsmentioning

confidence: 94%

“…These results are in line with previous studies showing lower levels or even undetectable levels [47] and in contrast to other studies [43-44-17-28-46] showing Pb levels above the acceptable limit. The variations in heavy metal levels in fish feed are mainly affected by the different raw materials used in preparation of fish pellets [38]. If the trash fish already used contains high levels of metals, they may thus alter the levels of minerals in sediment and water.…”

Section: Meanmentioning

confidence: 99%

Determination of Cadmium and Lead in farmed fish tissues and feed in Khartoum State – Sudan

Ahmed,

Elnasri

2023

IJ-FANRES

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Heavy metals are known for their toxic effects and lead to serious health problems. Fish is widely consumed, and the fish industry is rapidly growing. Heavy metals can accumulate in different parts of the fish from water, feed or sediment and can be further transferred to human consumers. The objective of the current study was to determine the concentrations of Cd and Pb in farmed fish tissues and fish feed. Fish tissues (head and fins, muscle and gills) in addition to feed samples were collected from two fish farms in Khartoum State. The levels of Cd and Pb were measured in the samples using Atomic Absorbance technique. Cd and Pb were detected in all samples examined, but their levels were below the acceptable limits set by FAO/WHO and EU. The muscle tissue was found to have the lowest concentration of both minerals (Cd 0.0092±0.001mg/g and Pb 0.203 ± 0.01 mg/g respectively) and the highest concentration was found in the fins (Cd 0.017± 0.001 and Pb 0.263 ± 0.011 mg/g respectively) .The levels in the feed were also found to be below the acceptable limits. Cd and Pb were detected in all samples studied, although the levels were below acceptable limits. Albeit that, the continuous and regular measurement is important to determine any potential sources that can increase their levels which further can affect the health of fish and humans.

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“…In addition, mercury compounds are highly soluble in water. Mercury is one of the most toxic elements in the environment, with organic and inorganic mercury being the main forms found in food samples [15].…”

Section: Introductionmentioning

confidence: 99%

Untitled

2022

Food Processing: Techniques and Technology

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Introduction. Mercury contamination is one of the most common environmental problems. The research objective was to study the qualitative composition and physicochemical properties of raw game meat obtained from the area near the Beloosipovo mercury deposit in order to define any possible contamination with xenobiotics. Study objects and methods. The research featured rib eye muscle tissue and soft flesh of elks shot on the hunting farms of the Kemerovo Region aka Kuzbass. Results and discussion. A complex set of experiments revealed the chemical composition of elk muscle tissue and flesh, as well as the mineral composition of elk muscle tissue. The samples were obtained from different parts of carcasses. The amino acid and fatty acid composition of elk muscle tissue made it possible to describe the biological value, mineral composition, and vitamin profile of elk meat. The physicochemical analysis included toughness, cooking losses, and moisture-retaining capacity, i.e. the properties that ensure juiciness. The research also featured the accumulation of xenobiotics in elk meat samples obtained from the biosinosis near the Beloosipovo mercury deposit.Conclusion. The slaughter yield of elk meat was 51-53%, which exceeds the average yield of farm cattle meat by 4-6%. The moisture content was 73-78%, while the content of protein was between 20-24% and depended on the anatomical location of the muscle sample; the fat content reached 0.75-1.75%. The mercury accumulation at different storage temperature conditions ranged from 0.004 ± 0.001 to 0.009 ± 0.001 mg/kg, while the maximum allowable concentration of mercury is 0.03 mg/kg.

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Heavy metal content in farmed rainbow trout in relation to aquaculture area and feed pellets

Cited by 12 publications

References 51 publications

Farmed Turkish salmon: Toxic metals and health threat

Farmed Turkish salmon: Toxic metals and health threat

Determination of Cadmium and Lead in farmed fish tissues and feed in Khartoum State – Sudan

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