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Woldetsadik D, Sims DB, Garner MC, Hailu H. Metal(loid)s Profile of Four Traditional Ethiopian Teff Brands: Geographic Origin Discrimination. Biol Trace Elem Res 2024; 202:1305-1315. [PMID: 37369964 DOI: 10.1007/s12011-023-03736-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Accepted: 06/17/2023] [Indexed: 06/29/2023]
Abstract
Among the most renowned Ethiopian food crops, teff (Eragrostis tef (Zucc.)Trotter) is the most nutritious and gluten-free cereal. Because of the increase in demand for teff, it is necessary to establish geographic origin authentication of traditional teff brands based on multi-element fingerprint. For this purpose, a total of 60 teff samples were analysed using Inductively Coupled Plasma Mass Spectrometry (ICP-MS). Accuracy of the laboratory procedure was verified by the analysis of rice flour standard reference material (NIST SRM 1568b). In this context, four traditional teff brands (Ada'a, Ginchi, Gojam and Tulu Bolo) were analytically characterized using multi-element fingerprint and further treated statistically using linear discriminant analysis (LDA). Due to obvious extrinsic Fe, Al and V contamination, these elements were excluded from the discriminant model. Five elements (Cu, Mo, Se, Sr, and Zn) significantly contributed to discriminate the geographical origin of white teff. On the other hand, Mn, Mo, Se and Sr were used as discriminant variables for brown teff. LDA revealed 90 and 100% correct classifications for white and brown teff, respectively. Overall, multi-element fingerprint coupled with LDA can be considered a suitable tool for geographic origin discrimination of traditional teff brands.
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Affiliation(s)
- Desta Woldetsadik
- Department of Soil and Water Resources Management, Wollo University, Dessie, Ethiopia.
| | | | | | - Hillette Hailu
- Department of Soil and Water Resources Management, Wollo University, Dessie, Ethiopia
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Uddin MG, Imran MH, Sajib AM, Hasan MA, Diganta MTM, Dabrowski T, Olbert AI, Moniruzzaman M. Assessment of human health risk from potentially toxic elements and predicting groundwater contamination using machine learning approaches. JOURNAL OF CONTAMINANT HYDROLOGY 2024; 261:104307. [PMID: 38278020 DOI: 10.1016/j.jconhyd.2024.104307] [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: 10/18/2023] [Revised: 01/10/2024] [Accepted: 01/18/2024] [Indexed: 01/28/2024]
Abstract
The Rooppur Nuclear Power Plant (RNPP) at Ishwardi, Bangladesh is planning to go into operation within 2024 and therefore, adjacent areas of RNPP is gaining adequate attention from the scientific community for environmental monitoring purposes especially for water resources management. However, there is a substantial lack of literature as well as environmental datasets for earlier years since very little was done at the beginning of the RNPP's construction phase. Therefore, this study was conducted to assess the potential toxic elements (PTEs) contamination in the groundwater and its associated health risk for residents at the adjacent part of the RNPP during the year of 2014-2015. For the purposes of achieving the aim of the study, groundwater samples were collected seasonally (dry and wet season) from nine sampling sites and afterwards analyzed for water quality indicators such as temperature (Temp.), pH, electrical conductivity (EC), total dissolved solid (TDS), total hardness (TH) and for PTEs including Iron (Fe), Manganese (Mn), Copper (Cu), Lead (Pb), Chromium (Cr), Cadmium (Cd) and Arsenic (As). This study adopted the newly developed Root Mean Square water quality index (RMS-WQI) model to assess the scenario of contamination from PTEs in groundwater whereas the human health risk assessment model was utilized to quantify the risk of toxicity from PTEs. In most of the sampling sites, PTEs concentration was found higher during the wet season than the dry season and Fe, Mn, Cd and As exceeded the guideline limit for drinking water. The RMS score mostly classified the groundwater in terms of PTEs contamination into "Fair" condition. The non-carcinogenic risks (expressed as Hazard Index-HI) revealed that around 44% and 89% of samples for adults and 67% and 100% of samples for children exceeded the threshold limit set by USEPA (HI > 1) and possessed risks through the oral pathway during dry and wet season, respectively. Furthermore, the calculated cumulative HI score was found higher for children than the adults throughout the study period. In terms of carcinogenic risk (CR) from PTEs, the magnitude of risk decreased following the pattern of Cr > As > Cd. Although the current study is based on old dataset, the findings might serve as a baseline for monitoring purposes to reduce future hazardous impact from the power plant.
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Affiliation(s)
- Md Galal Uddin
- Civil Engineering, School of Engineering, College of Science and Engineering, University of Galway, Ireland; Ryan Institute, University of Galway, Ireland; MaREI Research Centre, University of Galway, Ireland; Eco-HydroInformatics Research Group (EHIRG), Civil Engineering, University of Galway, Ireland; Department of Geography and Environment, Jagannath University, Dhaka, Bangladesh.
| | - Md Hasan Imran
- Department of Environmental Science and Resource Management, Mawlana Bhashani Science and Technology University, Tangail 1902, Bangladesh
| | - Abdul Majed Sajib
- Civil Engineering, School of Engineering, College of Science and Engineering, University of Galway, Ireland; Ryan Institute, University of Galway, Ireland; MaREI Research Centre, University of Galway, Ireland; Eco-HydroInformatics Research Group (EHIRG), Civil Engineering, University of Galway, Ireland
| | - Md Abu Hasan
- Bangladesh Reference institute for Chemical Measurements (BRiCM), Dr. Qudrat-e-Khuda Road, Dhanmondi, Dhaka 1205, Bangladesh
| | - Mir Talas Mahammad Diganta
- Civil Engineering, School of Engineering, College of Science and Engineering, University of Galway, Ireland; Ryan Institute, University of Galway, Ireland; MaREI Research Centre, University of Galway, Ireland; Eco-HydroInformatics Research Group (EHIRG), Civil Engineering, University of Galway, Ireland
| | | | - Agnieszka I Olbert
- Civil Engineering, School of Engineering, College of Science and Engineering, University of Galway, Ireland; Ryan Institute, University of Galway, Ireland; MaREI Research Centre, University of Galway, Ireland; Eco-HydroInformatics Research Group (EHIRG), Civil Engineering, University of Galway, Ireland
| | - Md Moniruzzaman
- Department of Geography and Environment, Jagannath University, Dhaka, Bangladesh
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Rubio C, Gutiérrez ÁJ, Hardisson A, Martín V, Revert C, Pestana Fernandes PJ, Horta Lopes DJ, Paz-Montelongo S. Dietary Exposure to Toxic Metals (Cd, Pb and Hg) from Cereals Marketed in Madeira and the Azores. Biol Trace Elem Res 2023; 201:5861-5870. [PMID: 36943550 PMCID: PMC10620312 DOI: 10.1007/s12011-023-03643-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/24/2023] [Accepted: 03/17/2023] [Indexed: 03/23/2023]
Abstract
Cereals and cereal-based foods continue to be basic foods in all diets. Despite being known for their high nutritional value; they can also contain contaminants (hazards) such as toxic metals. This study assesses the Cd, Pb and Hg dietary exposure from cereals and derivatives marketed in Madeira and the Azores and characterizes the risks by evaluating the Cd and Hg intake contributions to the tolerable intakes and by estimating the Margin of Exposure (MOE) in the case of Pb. In Madeira, metals follow the descending order of Cd > Pb > Hg. Cd stands out as having the highest levels (0.307 mg Cd/kg in oats; 0.237 mg/kg in rye). High levels of Pb (0.347 mg/kg) were also detected in rye. Regarding total mercury, rice stands out (0.0013 mg/kg) followed by wheat (0.001 mg/kg). While all cereals and derivatives except maize consumed in Madeira exceed the maximum value of Cd allowed by the EU, 50.0% of the rye and 25.0% of the corn flour samples exceeded the European Pb limit. The daily consumption of 100 g of oats, rye flour and rye represent high contributions to the TWI of Cd (93.2 - 120%). The MOE values of Pb from the consumption of rye (100 g/day) are 1,294 (nephrotoxic effects) and 3,082 (cardiotoxic effects). In the Azores, corn flour (0.72 mg Pb/kg) stands out with 85.7% of the samples exceeding the maximum Pb EU limit and MOE values of 626 (nephrotoxic effects) and 1,490 (cardiotoxic effects). Regular daily consumption of corn flour makes a low (< 10%) contribution to the Cd TDI. In conclusion, the Pb exposure from the consumption of cereals and derivatives could have toxic effects such as nephrotoxicity or cardiotoxicity in adults. The results highlight the need to set up monitoring and surveillance programs for the safety of cereals and their derivatives in Madeira and the Azores in terms of lead and cadmium.
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Affiliation(s)
- Carmen Rubio
- Grupo de Investigación en Toxicología Alimentaria Y Ambiental, Universidad de La Laguna, La Laguna, 38071, Tenerife, Islas Canarias, Spain
| | - Ángel J Gutiérrez
- Grupo de Investigación en Toxicología Alimentaria Y Ambiental, Universidad de La Laguna, La Laguna, 38071, Tenerife, Islas Canarias, Spain
| | - Arturo Hardisson
- Grupo de Investigación en Toxicología Alimentaria Y Ambiental, Universidad de La Laguna, La Laguna, 38071, Tenerife, Islas Canarias, Spain
| | - Verónica Martín
- Laboratorio de Salud Pública de Las Palmas, Servicio Canario de Salud, 35004, Las Palmas de Gran Canaria, Spain
| | - Consuelo Revert
- Departamento de Medicina Física Y Farmacología, Universidad de La Laguna, 38071, Tenerife, Islas Canarias, Spain
| | - Paulo Jorge Pestana Fernandes
- Divisão de Análises de Resíduos E Contaminantes. Secretaria Regional de Agricultura E Desenvolvimento Rural. Direção Regional de Agricultura E Desenvolvimento Rural. Direção de Serviços Dos Laboratórios Agrícolas E Agroalimentares, Laboratório Regional de Veterinária E SegurançaAlimentar. Caminho das Quebradas de Baixo, N.º 79 - 9000-254, Funchal, Madeira, Portugal
| | - David João Horta Lopes
- Ce3C - Centre for Ecology, Evolution and Environmental Changes, Azorean Biodiversity Group, Faculty of Agricultural Sciences and Environment, University of the Azores, Ponta Delgada, Portugal
| | - Soraya Paz-Montelongo
- Grupo de Investigación en Toxicología Alimentaria Y Ambiental, Universidad de La Laguna, La Laguna, 38071, Tenerife, Islas Canarias, Spain.
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Mugume HK, Byamugisha D, Omara T, Ntambi E. Deposition, Dietary Exposure and Human Health Risks of Heavy Metals in Mechanically Milled Maize Flours in Mbarara City, Uganda. J Xenobiot 2023; 13:298-311. [PMID: 37489335 PMCID: PMC10366738 DOI: 10.3390/jox13030022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2023] [Revised: 06/16/2023] [Accepted: 06/19/2023] [Indexed: 07/26/2023] Open
Abstract
Consumption of maize and maize-based products contributes a significant percentage to the total food energy intake in Uganda. However, the production of maize-derived foodstuffs is performed traditionally or by small- and medium-scale processors using different processing techniques. This can lead to differences in the quality of these products from processors, raising food safety concerns. In this study, the effects of mechanical processing (milling) methods on deposition of heavy metals into milled maize flour and the associated consumption health risks were assessed. Atomic absorption spectrophotometry was used to quantitatively establish the concentration of iron (Fe), manganese (Mn), zinc (Zn), cadmium (Cd), lead (Pb), chromium (Cr), copper (Cu), cobalt (Co) and nickel (Ni) in 100 samples of maize milled using a wooden mortar (n = 2), a metallic mortar (n = 2), diesel engine-powered mills (n = 48) and electric motor-powered mills (n = 48). Results showed that the mean concentrations of heavy metals in mg/kg were Fe (11.60-34.45), Cu (0.50-8.10), Ni (0.50-1.60), Mn (0.70-25.40), Zn (4.40-15.90), Pb (0.53-10.20), Cd (0.51-0.85), Cr (0.50-1.53) and Co (0.50-1.51). The highest concentrations were found in flour milled using a traditional metallic mortar while the lowest levels were in those samples milled using a wooden mortar. The Fe, Pb and Cd contents of flours produced using the metallic mortar and some commercial mills was found to be higher than the permissible limits set by WHO/FAO. Human health risk assessment showed that there are potential carcinogenic health risks from adults' intake of heavy metals in maize flour milled using a metallic mortar. Therefore, processing of maize flour needs to be monitored by the relevant statutory bodies in Uganda to minimize the possibility of heavy metal contamination of food products and animal feeds.
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Affiliation(s)
- Herbert Kariitu Mugume
- Department of Chemistry, Faculty of Science, Mbarara University of Science and Technology, Mbarara P.O. Box 1410, Uganda
| | - Denis Byamugisha
- Department of Chemistry, Faculty of Science, Mbarara University of Science and Technology, Mbarara P.O. Box 1410, Uganda
| | - Timothy Omara
- Food Safety Laboratories, Chemistry Division, Testing Department, Standards Directorate, Uganda National Bureau of Standards, Bweyogerere Industrial and Business Park, Kampala P.O. Box 6329, Uganda
- Institute of Chemistry of Renewable Resources, Department of Chemistry, University of Natural Resources and Life Sciences, Vienna (BOKU), Konrad-Lorenz-Straße 24, 3430 Tulln, Austria
| | - Emmanuel Ntambi
- Department of Chemistry, Faculty of Science, Mbarara University of Science and Technology, Mbarara P.O. Box 1410, Uganda
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Wang Y, Cao D, Qin J, Zhao S, Lin J, Zhang X, Wang J, Zhu M. Deterministic and Probabilistic Health Risk Assessment of Toxic Metals in the Daily Diets of Residents in Industrial Regions of Northern Ningxia, China. Biol Trace Elem Res 2023:10.1007/s12011-022-03538-3. [PMID: 36622522 DOI: 10.1007/s12011-022-03538-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Accepted: 12/18/2022] [Indexed: 01/10/2023]
Abstract
This study was designed to investigate the toxic metal (aluminum (Al), arsenic (As), chromium (Cr), cadmium (Cd), copper (Cu), nickel (Ni), lead (Pb), and zinc (Zn)) concentrations in drinking water and different foodstuffs meat (pork, beef, and mutton), cereals (rice, flour, corn, millet), beans (cowpeas, tofu), potatoes (potato, sweet potato), solanaceous fruits (pepper, eggplant, bitter gourd, cucumber), vegetables (cabbage, cauliflower, spinach), and fruits (apples, watermelons, pears, grapes)) and then estimate the potential health risks of toxic metal consumption to local residents in industrial regions of northern Ningxia, China. As in drinking water, Cr in meat, Pb in cereals, Pb in beans, As and Pb in potatoes, Pb in solanaceous fruits, Cr and Ni in vegetables, and Ni and Pb in fruits were the most contaminated heavy metals in the corresponding food with over-standard rates of 16.7%, 12.5%, 5.1%, 60%, 50%, 50%, 38.2%, 44.4%, 44.4%, 31.8%, and 31.8%, respectively.The results of the deterministic assessment of health risks showed that the total noncarcinogenic risk value of dietary intake of toxic metals by the local population was 5.6106, indicating that toxic metals pose a high noncarcinogenic risk. The order of the non-carcinogenic risk is HIcereal (1.2104) > HIsolanaceous fruit (0.9134) > HIVegetables (0.8726) > HIFruit (0.8170) > HIMeat (0.7269) > HIDrinking water (0.6139) > HIBeans (0.2991) > HIPotatoes (0.1573). The total carcinogenic health risk from exposure to toxic metals through dietary intake was 9.98 × 10-4, indicating that the total cancer risk value of residents is beyond the acceptable range (10-4) under the current daily dietary exposure and implies a high risk of cancer. The order of the carcinogenic risk is RDrinking water (2.34 × 10-4) > RMeat (2.11 × 10-4) > Rsolanaceous fruit (1.89 × 10-4) > RFruit (1.88 × 10-4) > Rcereal (1.36 × 10-4) > RPotatoes (2.44 × 10-5) > RVegetables (1.51 × 10-5) > RBeans (0). The probabilistic assessment results showed that 98.83% of the population is exposed to severe noncarcinogenic risk and 87.02% is exposed to unacceptable carcinogenic risk. The sensitivity analysis showed that drinking water, local cereals, vegetables, and fruits were the major contributors to health risks. Our results indicated that the daily dietary exposure of residents in industrial regions of northern Ningxia poses a serious threat to human health, and it is suggested that relevant departments should strengthen monitoring and control of the current situation of toxic metal pollution in the environment and continue to pay attention and take measures to reduce the exposure of toxic metals in the diets of residents in this area.
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Affiliation(s)
- Yan Wang
- School of Public Health and Management, Ningxia Medical University, Yinchuan, 750004, China
- Key Laboratory of Environmental Factors and Chronic Disease Control, Ningxia Medical University, Yinchuan, 750004, China
| | - Deyan Cao
- School of Public Health and Management, Ningxia Medical University, Yinchuan, 750004, China
- Key Laboratory of Environmental Factors and Chronic Disease Control, Ningxia Medical University, Yinchuan, 750004, China
| | - Jiaqi Qin
- School of Public Health and Management, Ningxia Medical University, Yinchuan, 750004, China
- Key Laboratory of Environmental Factors and Chronic Disease Control, Ningxia Medical University, Yinchuan, 750004, China
| | - Siyuan Zhao
- School of Public Health and Management, Ningxia Medical University, Yinchuan, 750004, China
- Key Laboratory of Environmental Factors and Chronic Disease Control, Ningxia Medical University, Yinchuan, 750004, China
| | - Jianzai Lin
- School of Public Health and Management, Ningxia Medical University, Yinchuan, 750004, China
- Key Laboratory of Environmental Factors and Chronic Disease Control, Ningxia Medical University, Yinchuan, 750004, China
| | - Xi Zhang
- School of Public Health and Management, Ningxia Medical University, Yinchuan, 750004, China
- College of Basic Medical Sciences, Ningxia medical University, Yinchuan, 750004, China
| | - Junji Wang
- School of Public Health and Management, Ningxia Medical University, Yinchuan, 750004, China
- Key Laboratory of Environmental Factors and Chronic Disease Control, Ningxia Medical University, Yinchuan, 750004, China
| | - Meilin Zhu
- School of Public Health and Management, Ningxia Medical University, Yinchuan, 750004, China.
- College of Basic Medical Sciences, Ningxia medical University, Yinchuan, 750004, China.
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Ahmed HEH, Ozalp O, Soylak M. Magnetic Solid Phase Extraction of Lead(II) From Food and Water Samples on Magnetic MWCNTs/MgAl2O4/TiO2. J Food Compost Anal 2023. [DOI: 10.1016/j.jfca.2023.105163] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
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