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Basaran B, Aytan Ü, Şentürk Y, Özçifçi Z, Akçay HT. Microplastic contamination in some beverages marketed in türkiye: Characteristics, dietary exposure and risk assessment. Food Chem Toxicol 2024; 189:114730. [PMID: 38740239 DOI: 10.1016/j.fct.2024.114730] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2024] [Revised: 05/08/2024] [Accepted: 05/10/2024] [Indexed: 05/16/2024]
Abstract
In this study, microplastic contamination in water, natural mineral water and mineral water, sparkling soft drinks, cold tea and some traditional beverages marketed in Türkiye were assessed. Microplastics physically and chemically characterized by microscope and ATR/FT-IR, respectively. Microplastics were detected in 9 out of 47 beverage samples. A total of 250 microplastics with 5 different polymers, 2 different shapes, and 7 different colours were detected in 47 beverage samples. The average microplastic concentration was 2.24 ± 9.86 particles/L for all beverages analysed. The highest average microplastic concentration was found in mineral waters in glass bottles (average 11.3 particles/L). No microplastics were found in cold tea and other drinks. The total annual microplastic exposure from beverage consumption in male and female individuals aged >15 years was 2029 and 1786 particles/mL/year, respectively. The microplastic load index category of all beverage samples was determined as "moderate". The average pRi level of all beverages was 117 ± 260 and the risk level was determined as "low". The study provides evidence that microplastics are common in beverages and that microplastics are directly ingested by humans.
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Affiliation(s)
- Burhan Basaran
- Department of Nutrition and Dietetics, Faculty of Health Sciences, Recep Tayyip Erdogan University, Rize, 53100, Türkiye.
| | - Ülgen Aytan
- Department of Marine Biology, Faculty of Fisheries, Recep Tayyip Erdogan University, Rize, 53100, Türkiye
| | - Yasemen Şentürk
- Department of Marine Biology, Faculty of Fisheries, Recep Tayyip Erdogan University, Rize, 53100, Türkiye
| | - Zehra Özçifçi
- Department of Chemistry Faculty of Arts and Sciences, Recep Tayyip Erdogan University, Rize, 53100, Türkiye
| | - Hakkı Türker Akçay
- Department of Chemistry Faculty of Arts and Sciences, Recep Tayyip Erdogan University, Rize, 53100, Türkiye
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Dimassi SN, Hahladakis JN, Chamkha M, Ahmad MI, Al-Ghouti MA, Sayadi S. Investigation on the effect of several parameters involved in the biodegradation of polyethylene (PE) and low-density polyethylene (LDPE) under various seawater environments. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 912:168870. [PMID: 38040377 DOI: 10.1016/j.scitotenv.2023.168870] [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: 09/24/2023] [Revised: 11/08/2023] [Accepted: 11/23/2023] [Indexed: 12/03/2023]
Abstract
This work investigates the biodegradation of polyethylene (PE) and low-density polyethylene (LDPE) and the leaching of their harmful additives. Micro/macro-plastics of both types were subjected to different laboratory-controlled conditions for 3 months. Gas Chromatography-Mass Spectroscopy (GC-MS) results revealed that leachate concentrations ranged from 0.40 ± 0.07 μg/L to 96.36 ± 0.11 μg/L. It was concluded that the additives' leaching process was promoted by light. However, light was not the only factor examined; microorganisms, pH, salinity, aeration/mixing and temperature influenced the biodegradation process, too. GC-MS results showed a prodigious impact on the biodegradation process when Pseudomonas aeruginosa was added to the artificial seawater compared to plastics exposed to light/air only. Scanning Electron Microscopy (SEM) micrographs demonstrated a significant alteration in the plastics' morphologies. Similarly, Fourier-Transform Infrared Spectroscopy (FTIR) spectra showed obvious changes in plastics characteristic peaks, especially microplastics. Furthermore, it was shown that PE was more susceptible to degradation/biodegradation than LDPE. Inductively Coupled Plasma-Optical Emission Spectroscopy (ICP-OES) findings showed that some toxic metals were present in water samples after experiments, with concentrations above the permissible limits. For instance, bio-augmentation/bio-stimulation experiments showed that the concentrations of Pb, Sr, and Zn were 0.59 mg/L, 70.09 mg/L, and 0.17 mg/L, respectively; values above the permissible limits. It is crucial to emphasise that plastics must be meticulously engineered to avoid environmental and human impacts, originated from their degradation by-products. Furthermore, a holistic approach engaging stakeholders, researchers, policymakers, industries and consumers, is essential to effectively tackle the global challenge of marine plastic pollution.
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Affiliation(s)
- Sarra N Dimassi
- Center for Sustainable Development, College of Arts and Sciences, Qatar University, P.O. Box: 2713, Doha, Qatar
| | - John N Hahladakis
- Center for Sustainable Development, College of Arts and Sciences, Qatar University, P.O. Box: 2713, Doha, Qatar.
| | - Mohamed Chamkha
- Laboratory of Environmental Bioprocesses, Center of Biotechnology of Sfax, University of Sfax, PO Box 1177, 3018 Sfax, Tunisia
| | - Mohammad I Ahmad
- Central Laboratories Unit, Qatar University, P.O. Box: 2713, Doha, Qatar
| | - Mohammad A Al-Ghouti
- Environmental Science Program, Department of Biological and Environmental Sciences, College of Arts and Sciences, Qatar University, P.O. Box: 2713, Doha, Qatar
| | - Sami Sayadi
- Center for Sustainable Development, College of Arts and Sciences, Qatar University, P.O. Box: 2713, Doha, Qatar.
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Kutralam-Muniasamy G, Shruti VC, Pérez-Guevara F. Microplastic contamination in commercially packaged edible seaweeds and exposure of the ethnic minority and local population in Mexico. Food Res Int 2024; 176:113840. [PMID: 38163691 DOI: 10.1016/j.foodres.2023.113840] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Revised: 11/29/2023] [Accepted: 12/06/2023] [Indexed: 01/03/2024]
Abstract
Diet is an important pathway for microplastic exposure. This study examined distinct edible seaweed products sold at ethnic food stores in Mexico for microplastic contamination, as well as the exposure of the Asian ethnic minority and local population to microplastics. Microplastics were extracted from seaweed samples using a wet oxide digestion with hydrogen peroxide followed by zinc chloride density separation. They were subsequently detected, quantified, and the polymer type was determined via microscopic inspection and Fourier transform infrared spectroscopy. Microplastic contamination was detected in all samples, with an average abundance of 24.0 ± 9.4 items g-1. Fibrous-shaped (61 %) and non-colored (57 %) microplastics were prevalent. Microplastics with sizes smaller than 0.2 mm prevailed (60 %), and they have the potential to penetrate gut barriers and endanger human health. Polymers identified consisted of polyethylene-polypropylene, polyamide, cellophane, rayon, and polyethylene terephthalate. According to pollution load index values, seaweed samples were minimally contaminated with microplastics, with values ranging between 3.7 and 6.0. The estimated yearly intake of microplastic from seaweed consumption by the South Korean and Chinese populations in Mexico was 5.8 × 104 ± 2.3 × 104 and 5.7 × 104 ± 4.9 × 104, respectively. This study's findings highlight the importance of improved control measures for minimizing microplastics in foods for export.
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Affiliation(s)
- Gurusamy Kutralam-Muniasamy
- Department of Biotechnology and Bioengineering, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, Ciudad de México, México
| | - V C Shruti
- Department of Biotechnology and Bioengineering, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, Ciudad de México, México.
| | - Fermín Pérez-Guevara
- Department of Biotechnology and Bioengineering, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, Ciudad de México, México; Nanoscience & Nanotechnology Program, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, Ciudad de México, México
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Taghipour H, Ghayebzadeh M, Mousavi SMS, Sharifi H, Payandeh A. Incidence and exposure to microplastics in table salt present in the Iran market. Toxicol Rep 2023; 11:129-140. [PMID: 37520774 PMCID: PMC10372495 DOI: 10.1016/j.toxrep.2023.07.003] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2023] [Accepted: 07/05/2023] [Indexed: 08/01/2023] Open
Abstract
Plastics and microplastics (MPs) are toxic, pervasive and threatening the biotic and abiotic components of the earth, and they threaten food safety and food security by moving in the food chain. In this study, the amounts and characteristics of 40 table salt samples with different brands, including sea salt (No = 13), rock (No = 13), bulk (No = 8) and non-standard (No = 6), were investigated with a combination of sieving, filtration, observation and FTIR, Micro-Raman and SEM techniques. The results showed that all the salts were contaminated with MPs. In general, the abundance range of detected particles was 700-5470 MPs/kg. The abundance of MPs was higher in counterfeit and non-standard salts (1825 ± 1808 MPs/kg). Investigating the relationship between the effect of the purification process (Kruskal-Wallis Test, P = 0.841), the type of packaging (Kruskal-Wallis Test, P = 0.609), and the type of salt (Kruskal-Wallis Test, P = 0.942), on the abundance of MPs using a comparison test Kruskal-Wallis was not significant. However, the numerical difference was recognizable. The most identified polymer in the salts was cellulose acetate, which probably causes by unmanaged plastic litter in the environment (especially cigarette butts). The dominant form of particles was fragment-shaped, which is the most abundant form of identified MPs in the environment. Both environmental pollution and secondary pollution (during production and packaging), respectively, contribute to the contamination of salts with MPs. The estimated human dietary intake (EDI) and the amount of estimated annual intake (EAI) for different ages in Iran were obtained EDI = 5-59 MPs/capita/day and EAI = 1967-21563 MPs/capita/year. The surface morphology of the particles showed that the MPs were affected by continuous weathering, mechanical fracture and oxidation. MPs are a threat to human health due to the absorption and transmission of dangerous pollutants and their inherent toxicity. Therefore, a solution must be thought of to prevent the contamination of the food chain through salts by MPs, (with protective measures at the salt source, and by improving its production processes.
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Affiliation(s)
- Hassan Taghipour
- Health and Environment Research Center, School of Public Health, Tabriz University of Medical Sciences, Tabriz, Islamic Republic of Iran
| | - Mehdi Ghayebzadeh
- Department of Environmental Health Engineering, Health Promotion Research Center, Zahedan University of Medical Sciences, Zahedan, Islamic Republic of Iran
- Department of Environmental Health Engineering, Zahedan University of Medical Sciences, Zahedan, Islamic Republic of Iran
| | - Seyedeh Maryam Seyed Mousavi
- Health and Environment Research Center, School of Public Health, Tabriz University of Medical Sciences, Tabriz, Islamic Republic of Iran
| | - Hamze Sharifi
- Health and Environment Research Center, School of Public Health, Tabriz University of Medical Sciences, Tabriz, Islamic Republic of Iran
| | - Abolfazl Payandeh
- Department of Biostatistics and Epidemiology, Genetics of Non-communicable Disease Research Center, Zahedan University of Medical Sciences, Zahedan, Iran
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Dursun C, Karaoğlu K, Özdemir N, Candan K, Kumlutaş Y, Ilgaz Ç, Gül S. Spatiotemporal distribution of microplastics in true frogs (Ranidae:Pelophylax) populations from Türkiye. ENVIRONMENTAL RESEARCH 2023; 236:116774. [PMID: 37516266 DOI: 10.1016/j.envres.2023.116774] [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: 04/14/2023] [Revised: 07/14/2023] [Accepted: 07/27/2023] [Indexed: 07/31/2023]
Abstract
Microplastics (MPs), which are of increasing concern in almost all ecosystems, continue to be an environmental threat. In the present study, the presence of MPs is investigated by using the gastrointestinal tracts (GITs) obtained from the true frog individuals sampled in the past years. The sample consists of a total of 146 individuals obtained from various regions of Türkiye. The results show that MPs were found in 87 adult frog individuals. The most predominant shape of MPs found was fiber, with a predominance of transparent color, and ethylene-vinyl acetate (EVA) was also the most abundant microplastic material. The highest amount of MPs among adult frog populations were found in the Denizli province. The size of MPs ranged between a minimum of 66 and a maximum of 3770 μm. In addition, no relationship was found between the body length and weight of the frogs and the sizes of MPs. Historically, most MPs were found in samples from 1990 and the highest content in terms of both color and material was detected in 1990. MPs were detected in almost all the years studied, but microplastic abundance varied from year to year. These results can be explained by the number of samples, habitat, and feeding behavior of adult frogs.
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Affiliation(s)
- Cantekin Dursun
- Department of Biology, Faculty of Arts and Sciences, Recep Tayyip Erdoğan University, 53100, Rize, Türkiye
| | - Kaan Karaoğlu
- Department of Chemical and Chemical Processing Technologies, Vocational School of Technical Sciences, Recep Tayyip Erdoğan University, 53100, Rize, Türkiye
| | - Nurhayat Özdemir
- Department of Biology, Faculty of Arts and Sciences, Recep Tayyip Erdoğan University, 53100, Rize, Türkiye
| | - Kamil Candan
- Department of Biology, Faculty of Science, Dokuz Eylül University, Buca, İzmir, 35390, Türkiye; Fauna and Flora Research and Application Center, Dokuz Eylül University, Buca, İzmir, 35390, Türkiye
| | - Yusuf Kumlutaş
- Department of Biology, Faculty of Science, Dokuz Eylül University, Buca, İzmir, 35390, Türkiye; Fauna and Flora Research and Application Center, Dokuz Eylül University, Buca, İzmir, 35390, Türkiye
| | - Çetin Ilgaz
- Department of Biology, Faculty of Science, Dokuz Eylül University, Buca, İzmir, 35390, Türkiye; Fauna and Flora Research and Application Center, Dokuz Eylül University, Buca, İzmir, 35390, Türkiye
| | - Serkan Gül
- Department of Biology, Faculty of Arts and Sciences, Recep Tayyip Erdoğan University, 53100, Rize, Türkiye.
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