Metals accumulation in edible marine algae collected from Thondi coast of Palk Bay, Southeastern India

Arulkumar, Abimannan; Pasumpon, Nigariga; Paramasivam, S.; Rajendran, R.

doi:10.1016/j.chemosphere.2019.01.007

Cited by 50 publications

(19 citation statements)

References 34 publications

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“…Copper plays an important role in human health by triggering the release of iron to form haemoglobin and production of blood cells [46]. We reported 0.13 -0.86 mg kg −1 Cu in freshwater species collected from the landing sites, which were below FAO/WHO recommended limit of 30 mg kg −1 and consistent with previous findings in a study elsewhere [7].…”

supporting

confidence: 89%

“…Concentrations of Zn in the examined species ranging 0.70 -10.65 mg kg −1 were significantly lower than 55.14 mg kg −1 Zn found in fish collected from Palk Bay, Southeastern India [46]. It is notable that concentration of Zn higher than 30 mg kg −1 recommended by FAO/WHO is potentially detrimental to human health and can cause diseases such as hepatolenticular degeneration, diarrhoea, fever and nausea [18].…”

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confidence: 99%

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Noncarcinogenic risk assessment of ten heavy metals in nine freshwater species sourced from market-ready landing sites

2020

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The public health risks associated with consumption of freshwater species potentially contaminated with metals at Otuocha, Ose and Atani landing sites in Anambra State, Nigeria were assessed. Species comprising seven fishes (Malapterurus electricus, Clarias gariepinus, Tilapia zillii, Gnathonemus tamandua, Citharinus citharus, Oreochromis niloticus and Auchenoglanis occidentalis) and two edible snails (Bulinus globosus and Bulinus africanus) were analysed for ten heavy metals with known varying degrees of toxicities: arsenic (As), cadmium (Cd), chromium (Cr), mercury (Hg), manganese (Mn), nickel (Ni), lead (Pb), iron (Fe), copper (Cu) and zinc (Zn). Results showed that concentrations of As (4.76 mg kg −1 ), Cr (1.54 -6.60 mg kg −1 ) and Hg (1.07 -2.66 mg kg −1 ) were higher than the FAO/WHO safe limits. The calculated target hazard quotient and hazard index values, representing quantitative estimates of noncarcinogenic risk of dietary exposure from freshwater species consumption, were below 1 for all metals, which indicate that freshwater species pose no noncancer risk from oral exposure under the environmental conditions of the study. Further studies across spatiotemporal scale are recommended to understand impact of season-location variables on metal concentrations in those freshwater species examined.

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confidence: 99%

Noncarcinogenic risk assessment of ten heavy metals in nine freshwater species sourced from market-ready landing sites

2020

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“…A significant amount of trace metal was recorded in G. manilaensis regardless of seasonal variation, and these might be attributed to the influence of growth dynamics [81]. Studies have shown that seaweed with low biomass corresponds to a high concentration of mineral elements and vice verse [82]. The Fe (1346.05 vs. 1512.55 mg 100 −1 g) and Mn (142.34 vs. 401.81 mg 100 −1 g) concentration was high between the two harvest seasons.…”

Section: Discussionmentioning

confidence: 99%

Effects of Seasonal Variability on the Physicochemical, Biochemical, and Nutritional Composition of Western Peninsular Malaysia Gracilaria manilaensis

et al. 2019

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This study evaluated the effect of seasonal variation on the physicochemical, biochemical, and nutritional composition of Gracilaria manilaensis. Sampling was designed during the main monsoon seasons in Malaysia—the Southwest monsoon (SWM) and Northeast monsoon (NEM)—to understand the intraspecific variation (p < 0.05). Carbohydrates, protein, and dietary fiber were found to be higher in NEM–G. manilaensis, whereas a higher ash content was quantified in SWM–G. manilaensis. No significant differences were found in crude lipid and moisture content (p > 0.05). Vitamin B2 was calculated as (0.29 ± 0.06 mg 100 g−1) and (0.38 ± 0.06 mg 100 g−1) for the NEM and SWM samples, respectively (p < 0.05). The fatty acid profile showed the dominance of saturated fatty acids (SFAs)—palmitic acids, stearic acid, and myristic acid—while the mineral contents were found to be good sources of calcium (1750.97–4047.74 mg 100 g−1) and iron (1512.55–1346.05 mg 100 g−1). Tryptophan and lysine were recorded as the limiting essential amino acids (EAAs) in NEM G. manilaensis, while leucine and phenylalanine were found to be the limiting EAAs in the SWM samples. None of the extracts exhibited antibacterial properties against the screened strains. The study concluded that seasonal changes have a great effect on the biochemical composition of G. manilaensis.

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“…from every reference station showed the same amount, below the threshold established by the National Standardization Agency of Indonesia (0.2 mg/kg). The cadmium bioaccumulation was found to be low in Gracilaria sp.. Arulkumar et al [52] monitored the Cd, Cu, Pb, and Zn concentration in 13 edible brown, red, and green algal species collected from southeast India, in an ecosystem characterized by solid and liquid untreated municipal waste. Compared to brown and red algae, green seaweeds appeared to have a greater capacity to accumulate toxic metal.…”

Section: Uchida Et Al 2016 Japanmentioning

confidence: 99%

Seaweeds as a “Palatable” Challenge between Innovation and Sustainability: A Systematic Review of Food Safety

et al. 2021

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Moderate or severe food insecurity affect 2 billion people worldwide. The four pillars of food security (availability, access, use and stability) are in danger due to the impact of climatic and anthropogenic factors which impact on the food system. Novel foods, like seaweeds, have the potential to increase food yields so that to contribute in preventing or avoiding future global food shortages. The purpose of this systematic review was to assess microbiological, chemical, physical, and allergenic risks associated with seaweed consumption. Four research strings have been used to search for these risks. Preferred Reporting Item for Systematic Reviews and Meta-analysis (PRISMA) guidelines were applied. Finally, 39 articles met the selected criteria. No significant hazards for microbiological, allergenic, and physical risks were detected. Regarding chemical risk, algae can accumulate various heavy metals, especially when harvested in polluted sites. Cultivating seaweeds in a controlled environment allows to avoid this risk. Periodic checks will be necessary on the finished products to monitor heavy metals levels. Since the consumption of algae seems to be on the rise everywhere, it seems to be urgent that food control authorities establish the safety levels to which eating algae does not represent any risk for human health.

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Metals accumulation in edible marine algae collected from Thondi coast of Palk Bay, Southeastern India

Cited by 50 publications

References 34 publications

Noncarcinogenic risk assessment of ten heavy metals in nine freshwater species sourced from market-ready landing sites

Noncarcinogenic risk assessment of ten heavy metals in nine freshwater species sourced from market-ready landing sites

Effects of Seasonal Variability on the Physicochemical, Biochemical, and Nutritional Composition of Western Peninsular Malaysia Gracilaria manilaensis

Seaweeds as a “Palatable” Challenge between Innovation and Sustainability: A Systematic Review of Food Safety

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