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Sow M, Wagne MM, Dassié EP, Tendeng PS, Maury-Brachet R. Mercury distribution in fish organs sampled along the Mauritanian Atlantic coast and their potential human health risks. MARINE POLLUTION BULLETIN 2023; 196:115683. [PMID: 37866054 DOI: 10.1016/j.marpolbul.2023.115683] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Revised: 10/12/2023] [Accepted: 10/15/2023] [Indexed: 10/24/2023]
Abstract
This paper aimed at assessing total mercury concentration in seven common fish species (Auxis rochei, Caranx rhonchus, Sardina pilchardus, Sardinella aurita, Sardinella maderensis, Scomber colias and Trachurus trecae) and a relationship between Hg organotropism and food regimes along the Mauritanian Atlantic coast. Results show that total mercury concentration in fish collected along five sites ranged from 0.027 to 0.533 mg/kg dry weight. Significant differences were observed among species depending on feeding behavior. Muscle tissues of carnivorous fish presented significantly higher levels of total mercury than that of omnivorous fish, except for Scomber colias, suggesting mercury biomagnification through the food chain. Significant differences in mercury concentrations were observed between muscle tissues and liver, for Auxis rochei, Trachurus trecae, and Caranx rhonchus. The mean concentrations in the different species are however low and none of the concentration values exceed the World Health Organization's threshold for human consumption.
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Affiliation(s)
- Mohamedou Sow
- University of Bordeaux, EPOC, UMR 5805, F-33120 Arcachon, France.
| | - Moulaye M Wagne
- Institut Mauritanien de Recherches Océanographiques et des Pêches, LEMMC- Laboratoire d'Etudes des Milieux Marins et Côtiers, BP 22 Nouadhibou, Mauritania
| | - Emilie P Dassié
- University of Bordeaux, EPOC, UMR 5805, F-33120 Arcachon, France
| | - Paul S Tendeng
- BirdLife International | Africa Partnership, Dakar, Senegal
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Rifat M, Wahab MA, Rahman MA, Nahiduzzaman M, Mamun AA. Nutritional value of the marine fish in Bangladesh and their potential to address malnutrition: A review. Heliyon 2023; 9:e13385. [PMID: 36873138 PMCID: PMC9975239 DOI: 10.1016/j.heliyon.2023.e13385] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2022] [Revised: 01/14/2023] [Accepted: 01/29/2023] [Indexed: 02/11/2023] Open
Abstract
Marine fish are good source of essential macro- and micronutrients and major food items in coastal areas in Bangladesh. However, there is no review that details the nutritional value of marine fish in Bangladesh. Therefore, this review focuses on the nutrient composition of marine fish in Bangladesh and how the marine fish can address common nutrient deficiencies among women and children. Nutrient composition data was collected through literature searching in databases and source, including PubMed, Web of Science, Google Scholar, ScienceDirect, WorldFish, and Bangladesh-based database Banglajol. Calculation was carried out to present how one serving marine fish could potentially meet the daily requirement of protein, iron, zinc, calcium, vitamin A, and docosahexaenoic acid (DHA) for pregnant and lactating women and children aged 6-23 months. A total of 97 entries covering nutrient composition analysis of 67 individual fish species were extracted from 12 articles published between 1993 and 2020. Included articles contained analysis of proximate composition, vitamins, minerals, fatty acids, and amino acid. Twelve minerals and nine vitamins were analyzed and reported. The average energy, protein, fat, and ash content per 100 g edible raw marine fish was 343.58 kJ, 16.76 g, 4.16 g, and 2.22 g, respectively. According to available data, marine fish are good sources of protein, zinc, calcium, and DHA. Pelagic small fish, which are mainly captured by artisanal small-scale fishers, had more nutritional value than other categories of fish. Furthermore, marine small fish were found more nutritious than commonly consumed freshwater fish types in Bangladesh, including major carps, introduced carps, and tilapia. Therefore, the study concludes that marine fish have high potential to address malnutrition in Bangladesh. There was scarcity of literature regarding the nutrient composition of marine fish in Bangladesh and in South Asia as a whole, so more comprehensive quality research in this area is recommended.
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Affiliation(s)
- M.A. Rifat
- Department of Global Public Health, Karolinska Institutet, Stockholm, 171 77, Sweden
- WorldFish, Dhaka, 1212, Bangladesh
- Corresponding author. Department of Global Public Health, Karolinska Institutet, Stockholm, 171 77, Sweden.
| | | | | | | | - Abdullah-Al Mamun
- Noakhali Science and Technology University, Noakhali, 3814, Bangladesh
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Agyei-Mensah YO, Annan T, Overå R, Atter A, Hatløy A, Andersen P, Obiri KO, Ansong RS, Janananda B, Steiner-Asiedu M, Kjellevold M. The processing, preparation, and cooking practices of small fish among poor Ghanaian households: An exploratory qualitative study. MARITIME STUDIES : MAST 2023; 22:15. [PMID: 37073301 PMCID: PMC10092916 DOI: 10.1007/s40152-023-00300-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/28/2021] [Accepted: 03/08/2023] [Indexed: 05/03/2023]
Abstract
Small fish are an important part of the diet in Ghana, but malnutrition rates remain high. The nutritional quality of fish consumed in Ghana may be affected by food processing and cooking practices, but the extent to which these processes are practiced among poor Ghanaian households along the coastal belt is unknown. This study explored how poor Ghanaian households process, prepare, and cook meals containing small fish. This exploratory qualitative study used Attride-Stirling thematic network analysis. Respondents were purposively sampled from fishing communities in the coastal regions of Ghana. One-on-one interviews were performed by trained field assistants, audio recorded and videotaped, and transcribed for further data analysis. The most common small fish species identified were anchovies and herrings. Anchovies were fried and eaten whole. Herrings were eaten either smoked or fresh; for fresh herring, the head, fins, and viscera were removed before boiling. Herrings were smoked with the head and viscera; however, both the head and viscera were removed before being added to boiling soup and were not consumed. Anchovies were fried for 10 min, and herrings were boiled for 15-30 min. Processing methods and further meal preparation depend on the small fish species. Nutrient composition and contribution of small fish depend on the processing method, preparation method, and what tissues are eaten. Thus, these results will be of importance for sampling schemes for food composition tables and for the calculation of nutrient intake from small fish. Supplementary Information The online version contains supplementary material available at 10.1007/s40152-023-00300-w.
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Affiliation(s)
| | - Theophilus Annan
- Council for Scientific and Industrial Research, Food Research Institute, Accra, Ghana
| | - Ragnhild Overå
- Department of Geography, University of Bergen, Bergen, Norway
| | - Amy Atter
- Council for Scientific and Industrial Research, Food Research Institute, Accra, Ghana
| | - Anne Hatløy
- Centre of International Health, University of Bergen, Bergen, Norway
- Fafo Institute for Labour and Social Research, Oslo, Norway
| | - Peter Andersen
- Department of Geography, University of Bergen, Bergen, Norway
| | - Kojo Odei Obiri
- Council for Scientific and Industrial Research, Food Research Institute, Accra, Ghana
| | | | - Bhagya Janananda
- Centre of International Health, University of Bergen, Bergen, Norway
| | | | - Marian Kjellevold
- Department of Seafood, Nutrition and Environmental State, Institute of Marine Research, Bergen, Norway
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Abstract
Arsenic poisoning constitutes a major threat to humans, causing various health problems. Almost everywhere across the world certain “hotspots” have been detected, putting in danger the local populations, due to the potential consumption of water or food contaminated with elevated concentrations of arsenic. According to the relevant studies, Asia shows the highest percentage of significantly contaminated sites, followed by North America, Europe, Africa, South America and Oceania. The presence of arsenic in ecosystems can originate from several natural or anthropogenic activities. Arsenic can be then gradually accumulated in different food sources, such as vegetables, rice and other crops, but also in seafood, etc., and in water sources (mainly in groundwater, but also to a lesser extent in surface water), potentially used as drinking-water supplies, provoking their contamination and therefore potential health problems to the consumers. This review reports the major areas worldwide that present elevated arsenic concentrations in food and water sources. Furthermore, it also discusses the sources of arsenic contamination at these sites, as well as selected treatment technologies, aiming to remove this pollutant mainly from the contaminated waters and thus the reduction and prevention of population towards arsenic exposure.
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Hasselberg AE, Nøstbakken OJ, Aakre I, Madsen L, Atter A, Steiner-Asiedu M, Kjellevold M. Nutrient and contaminant exposure from smoked European anchovy (Engraulis encrasicolus): Implications for children's health in Ghana. Food Control 2022. [DOI: 10.1016/j.foodcont.2021.108650] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Akonor PT, Atter A, Owusu M, Ampah J, Andoh‐Odoom A, Overå R, Kjellevold M, Pucher J, Kolding J. Anchovy powder enrichment in brown rice-based instant cereal: a process optimization study using Response Surface Methodology (RSM). Food Sci Nutr 2021; 9:4484-4496. [PMID: 34401096 PMCID: PMC8358353 DOI: 10.1002/fsn3.2424] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2021] [Revised: 06/05/2021] [Accepted: 06/06/2021] [Indexed: 01/07/2023] Open
Abstract
There is a need for expanding the utilization of small fish as they constitute an undervalued and important source of protein and micronutrients in many developing countries suffering from micronutrient deficiencies. One way to increase consumption and health benefits is to add nutrient-rich fish meal into staple food ingredients. In this study, Response Surface Methodology (RSM) was applied to optimize the processing of an instant rice-based cereal enriched with anchovy powder. The Box-Behnken design was used to study the effect of principal processing variables (drying temperature, drum rotation speed, and slurry solids concentration) on product water activity, color, bulk density, and water solubility index. Viscosity, consistency, and cohesiveness of the reconstitute cereal were also evaluated. Empirical models were developed to describe the relationship between independent and dependent variables and showed regression coefficients (R 2) ranging between 71% and 98%. Higher drying temperatures resulted in reduced water activity, darker product color, and lower consistency. While drum speed influenced (p < .05) product color and water-binding capacity, bulk density, and consistency of the reconstituted product was associated with slurry solids concentration. Optimal processing conditions obtained from the study were temperature of 130°C, drum speed of 9.3 rpm, and solids concentration of 20.5%. These conditions would be useful in the production of brown rice-based instant cereal enriched with anchovy powder with desired quality properties.
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Affiliation(s)
| | - Amy Atter
- CSIR‐Food Research InstituteAccraGhana
| | | | | | | | | | | | | | - Jeppe Kolding
- Department of Biological SciencesUniversity of BergenHigh Technology CenterBergenNorway
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Hasselberg AE, Wessels L, Aakre I, Reich F, Atter A, Steiner-Asiedu M, Amponsah S, Pucher J, Kjellevold M. Composition of nutrients, heavy metals, polycyclic aromatic hydrocarbons and microbiological quality in processed small indigenous fish species from Ghana: Implications for food security. PLoS One 2020; 15:e0242086. [PMID: 33180860 PMCID: PMC7660496 DOI: 10.1371/journal.pone.0242086] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Accepted: 10/26/2020] [Indexed: 12/12/2022] Open
Abstract
The triple burden of malnutrition is an incessant issue in low- and middle-income countries, and fish has the potential to mitigate this burden. In Ghana fish is a central part of the diet, but data on nutrients and contaminants in processed indigenous fish species, that are often eaten whole, are missing. Samples of smoked, dried or salted Engraulis encrasicolus (European anchovy), Brachydeuterus auritus (bigeye grunt), Sardinella aurita (round sardinella), Selene dorsalis (African moonfish), Sierrathrissa leonensis (West African (WA) pygmy herring) and Tilapia spp. (tilapia) were collected from five different regions in Ghana. Samples were analyzed for nutrients (crude protein, fat, fatty acids, several vitamins, minerals, and trace elements), microbiological quality (microbial loads of total colony counts, E. coli, coliforms, and Salmonella), and contaminants (PAH4 and heavy metals). Except for tilapia, the processed small fish species had the potential to significantly contribute to the nutrient intakes of vitamins, minerals, and essential fatty acids. High levels of iron, mercury and lead were detected in certain fish samples, which calls for further research and identification of anthropogenic sources along the value chains. The total cell counts in all samples were acceptable; Salmonella was not detected in any sample and E. coli only in one sample. However, high numbers of coliform bacteria were found. PAH4 in smoked samples reached high concentrations up to 1,300 μg/kg, but in contrast salted tilapia samples had a range of PAH4 concentration of 1 μg/kg to 24 μg/kg. This endpoint oriented study provides data for the nutritional value of small processed fish as food in Ghana and also provides information about potential food safety hazards. Future research is needed to determine potential sources of contamination along the value chains in different regions, identify critical points, and develop applicable mitigation strategies to improve the quality and safety of processed small fish in Ghana.
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Affiliation(s)
| | - Laura Wessels
- German Federal Institute for Risk Assessment, Berlin, Germany
| | - Inger Aakre
- Institute of Marine Research, Bergen, Norway
| | - Felix Reich
- German Federal Institute for Risk Assessment, Berlin, Germany
| | - Amy Atter
- Council for Scientific and Industrial Research, Food Research Institute, Accra, Ghana
| | - Matilda Steiner-Asiedu
- Department of Nutrition and Food Science, School of Biological Sciences, University of Ghana, Legon, Accra, Ghana
| | - Samuel Amponsah
- Council for Scientific and Industrial Research, Food Research Institute, Accra, Ghana
- Department of Fisheries and Water Resources, University of Energy and Natural Resources, Sunyani, Ghana
| | - Johannes Pucher
- German Federal Institute for Risk Assessment, Berlin, Germany
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Moxness Reksten A, Bøkevoll A, Frantzen S, Lundebye AK, Kögel T, Kolås K, Aakre I, Kjellevold M. Sampling protocol for the determination of nutrients and contaminants in fish and other seafood - The EAF-Nansen Programme. MethodsX 2020; 7:101063. [PMID: 32995313 PMCID: PMC7502570 DOI: 10.1016/j.mex.2020.101063] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2020] [Accepted: 09/09/2020] [Indexed: 12/31/2022] Open
Abstract
Seafood plays a central role in global food and nutrition security. However, there is a lack of data on the concentration of nutrients and contaminants in fish and other seafood, especially in low- and middle-income countries. In order to assess the potential risks and benefits associated with seafood intake, reliable and up-to-date food composition data is crucial. The quality of food composition data is affected by several factors, such as sampling protocols and the suitability and quality of the methods applied for sample preparation and analysis. In this paper, we describe the sampling methodology and protocols related to the sampling of fish and other seafood and the corresponding analytical methods used to analyse the nutrient and contaminant content of such species. For nutrients, the determination of protein, fat, ash, energy, fatty acids, cholesterol, and amino acids is described, in addition to analyses for determination of the vitamin and mineral content in fish and other seafood. For contaminants, analyses for the determination of organic pollutants and microplastics are described. The methodology described in this paper is used for sampling data through scientific surveys in low- and middle-income countries with research vessel Dr. Fridtjof Nansen under the EAF-Nansen Programme. The Programme aims to improve knowledge on the nutritional composition of fish and ensure the fish is safe to consume.In this paper, we describe the sampling protocols used for sampling fish and other seafood during scientific surveys under the EAF-Nansen Programme. This paper describes the methodology and quality control for analysing nutrients and contaminants in fish and other seafood.
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Affiliation(s)
| | - Annbjørg Bøkevoll
- Institute of Marine Research, P.O. Box 2029 Nordnes, 5817 Bergen, Norway
| | - Sylvia Frantzen
- Institute of Marine Research, P.O. Box 2029 Nordnes, 5817 Bergen, Norway
| | | | - Tanja Kögel
- Institute of Marine Research, P.O. Box 2029 Nordnes, 5817 Bergen, Norway
| | - Kjersti Kolås
- Institute of Marine Research, P.O. Box 2029 Nordnes, 5817 Bergen, Norway
| | - Inger Aakre
- Institute of Marine Research, P.O. Box 2029 Nordnes, 5817 Bergen, Norway
| | - Marian Kjellevold
- Institute of Marine Research, P.O. Box 2029 Nordnes, 5817 Bergen, Norway
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