Heavy metal contamination and its impact on the food chain: exposure, bioaccumulation, and risk assessment

CyTA - Journal of Food, Год журнала: 2025, Номер 23(1)

Опубликована: Янв. 2, 2025

Non-essential heavy metals (HMs) are one of the most toxic substances released into environment, affecting food chain and posing a threat to security. The research data was collated after carefully observing some studies conducted on commonly consumed products highlighting metal exposure pathways crops techniques adapted quantification HMs in chain. tools developed estimate ecological health risks induced via ingestion HM-contaminated both children adults India discussed. It is observed that Cd, Cr, Cu, Pb, Zn studied products. Bioaccumulation indices Indian revealed varying intake. Children suffer more from consuming contaminated with than adults. This review summarizes distribution HMs, their pollution, correlation between each HM concentration.

Язык: Английский

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Impact of heavy metals on health and quality of Oreochromis niloticus cultured in biofloc and earthen pond systems

Journal of Environmental Science and Health Part B, Год журнала: 2025, Номер 60(3), С. 129 - 137

Опубликована: Фев. 27, 2025

Heavy metal contamination in aquaculture threatens fish health and consumer safety, with bioaccumulation differing between farming systems. The study compares heavy (Cd, Cr, Pb Cu) feed, water organs (muscle, gills liver) of Nile tilapia (Oreochromis niloticus) from biofloc pond Samples were collected ten tanks earthen ponds, metals quantified using atomic absorption spectrophotometry. levels feed below permissible limits, while showed significantly higher (P < 0.05) than water. Pond-reared exhibited accumulation muscles, liver compared to biofloc-reared fish. the highest bioaccumulation, followed by gills, both Cd exceeded standard limits pond-reared Principal component analysis (PCA) cluster revealed strong correlations liver, muscles formed a separate cluster. Pb, Cu closely associated, suggesting common source. index (HI) for muscle was <1 systems, indicating safety consumption. Overall, found safer human consumption

Язык: Английский

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The interplay between temporal and seasonal distribution of heavy metals and physiochemical properties in Kaap River

International Journal of Environmental Science and Technology, Год журнала: 2024, Номер 21(7), С. 6053 - 6064

Опубликована: Янв. 10, 2024

Abstract A key aspect of climate change is its impact on river water quality. Most research focuses the physiochemical parameters However, long-term shifts in temperatures and weather patterns coupled with anthropogenic activities play a significant role contamination. Metals are known to have toxic effects environmental persistence. This study evaluated heavy metal content Kaap River, where mining agriculture primary land use. 7-year was conducted investigate seasonal relationship between metals (EC pH). Fe, Al, As, Mn concentrations were analysed laboratory accredited by South African National Accreditation System (SANAS). The Python package Seaborn used generate heat maps for improved data visualization. Seasonal temporal fluctuations had combinatorial Mn, Al levels river. As unaffected. pH rivers within recommended range, despite flow regime, seasonal, time-dependent fluctuations. variations also observed EC, highest value 42.35 mS/m being recorded during winter 2022, exceeding threshold 30 mS/m. correlation analysis revealed positive correlations EC/pH Al/Fe combinations weak degree association other ( P < 0.05). permanent monitoring quality required ensure sustainable livelihoods safety River water, which subject over time.

Язык: Английский

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Bioaccumulation and Health Risk Assessment of Heavy Metals in Labeo rohita and Mystus seenghala from Jhelum River, Punjab, Pakistan

Water, Год журнала: 2024, Номер 16(20), С. 2994 - 2994

Опубликована: Окт. 20, 2024

The bioaccumulation of trace elements and heavy metals in aquatic organisms is a critical environmental concern due to its potential impact on ecosystem health human safety. This study investigated the level Labeo rohita Mystus seenghala from River Jhelum district Khushab, Punjab, Pakistan. concentration calcium, magnesium, iron, nickel, copper, arsenic, cadmium, zinc, chromium, manganese, cobalt, lead gills, liver, muscle tissues these fish was measured using inductively coupled plasma-mass spectrometry. Then, extent contamination possible risks were assayed. Our findings indicate significant variations elemental metal concentrations among different organs between species, reflecting their diverse feeding habits habitats. risk assessment based estimated daily intake, weekly maximum permissible target hazard quotient, index or total index, cancer revealed consumers fish. emphasizes need for continuous monitoring, as new data insights are crucial understanding mitigating risks. Strict regulatory measures also necessary safeguard public preserve River.

Язык: Английский

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Heavy Metal Concentrations in Water, Sediment, and Fish Species in Chashma Barrage, Indus River: A Comprehensive Health Risk Assessment

Biological Trace Element Research, Год журнала: 2024, Номер unknown

Опубликована: Июль 2, 2024

Язык: Английский

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Sediment quality evaluation in a strategic port zone: application of Artemia franciscana and Emerita analoga in Callao Bay, Peru

Regional Studies in Marine Science, Год журнала: 2025, Номер unknown, С. 104039 - 104039

Опубликована: Янв. 1, 2025

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Sludge removal frequency influences heavy metal accumulation, water quality, and growth in Nile tilapia (Oreochromis niloticus) biofloc systems

Water Environment Research, Год журнала: 2025, Номер 97(6)

Опубликована: Май 30, 2025

Abstract Heavy metals (HMs) are one of the emerging micropollutants, which have been found a significant toxicant to fish fauna; therefore, current study aimed examine HMs including Cd, Cr, Pb, and Cu concentrations in sludge their accumulation Oreochromis niloticus tissues along with growth water quality Biofloc Technology (BFT). Tilapia, initially weighing 0.40 ± 0.15 g, were divided into three groups (G1, G2, G3) replicates each. Sludge was removed weekly for G1, biweekly monthly G3 over 90 days. Water parameters monitored daily, (HMs)in analyzed. One‐way ANOVA multiple comparisons used compare results among groups. Results showed that removal frequency significantly ( p < 0.05) affected quality. had higher ammonia, nitrate, nitrite levels, slightly acidic pH. G1 dissolved oxygen (6.72 mg/l) compared (5.32 better performance lower feed conversion ratio (FCR) 1.44 versus 1.67 G3. The HM analysis metal both sludge, strong correlation between levels tissues. health index (HI) values confirmed from all safe human consumption. concludes regular management is crucial optimizing BFT production safety; has optimum less accumulation. Practitioner Points Study examines Nile tilapia under varying frequencies. Weekly improves quality, oxygen, growth, FCR. Monthly shows nitrite, pH, Strong tissue Findings emphasize enhanced production, safety, reduced heavy bioaccumulation.

Язык: Английский

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Heavy metal(loid) bioaccumulation in fish and its implications for human health

Italian Journal of Food Safety, Год журнала: 2024, Номер unknown

Опубликована: Дек. 20, 2024

Heavy metal(loid)s (HM) pollution in aquatic environments is a serious issue due to the toxicity, persistence, bioaccumulation, and biomagnification of these pollutants. The main sources HM contamination are industrial activities, mining, agricultural practices, combustion fossil fuels. Fish can accumulate HMs through process called bioaccumulation. As larger predatory fish consume smaller fish, enter food chains become increasingly concentrated their tissues finally reach humans. Here, we provided general concise conclusion from current research findings on toxicological effects different body systems. Exposure lead range adverse health effects, including neurological damage, developmental disorders, kidney cardiovascular problems, cancers. Their long-term accumulation result chronic toxicity even at low levels exposure. exert cellular cytotoxicity by disrupting essential processes structures. They interfere with enzyme function, disrupt cell membrane integrity, induce oxidative stress, cause DNA ultimately leading death or dysfunction. Prevention control involve implementing measures reduce release into environment regulations processes, waste management, technologies. Additionally, monitoring remediation efforts crucial for identifying contaminated sites strategies such as soil water human exposure mitigate impact ecosystems. To conclude, poses risks public environment, necessitating urgent interdisciplinary harmful promote sustainable practices that flow biological

Язык: Английский

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Impacts of Some Trace Metals in Cyprinus carpio (Linnaeus, 1758) and Tor soro (Valenciennes, 1842) on Human Health

Biological Trace Element Research, Год журнала: 2023, Номер 202(6), С. 2843 - 2854

Опубликована: Сен. 19, 2023

Язык: Английский

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Toxicity Evaluation and Tissue Damaging Effects of Lead in Labeo Rohita

Futuristic Biotechnology, Год журнала: 2024, Номер unknown, С. 53 - 57

Опубликована: Март 31, 2024

Heavy metal contamination of aquatic ecosystems due to industrialization and anthropogenic activities has become a serious global issue. Toxic effects these heavy metals are posing major threat the organisms especially fish. Fishes exposed lead (Pb), exhibit wide-range including muscular neurological degeneration destruction, growth inhibition, mortality, reproductive problems, paralysis. Many fish species used as food source by man. Bio magnification makes them hazardous for humans. Objective: To evaluate acute toxicity (96-hr LC50 lethal concentrations) Pb in Labeo rohita effect various sub-lethal doses on different organs (Gills, Liver, Muscles) Methods: Live samples (150) were shifted from hatchery laboratory. measure accumulation body inductively coupled Plasma mass spectrometry (ICP-MS) was performed. Results: Acute LC50) observed 52.20 mg/l, while noted more gills compared liver muscles. Conclusions: This study will provide baseline information control pollution conservation

Язык: Английский

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