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Sbruzzi Fiebig M, Regina Mendes Andrade D, José de Oliveira Mindelo L, Santos de Gois J, Luna AS, Afonso Provenzi M, Luiz Esteves Magalhães W, Miotto M, Vieira Helm C, Schwinden Prudencio E. Pinhão potential and their parts (failures, shells, and almonds) in the elaboration of yogurts containing acai pulp: physicochemical, nutritional, and functional properties, antimicrobial activity, and multi-elemental profile. Food Res Int 2024; 192:114813. [PMID: 39147507 DOI: 10.1016/j.foodres.2024.114813] [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: 02/28/2024] [Revised: 07/06/2024] [Accepted: 07/21/2024] [Indexed: 08/17/2024]
Abstract
This study applies natural resources, prioritizing recyclable and renewable inputs produced by pinhão cultivation, whose purpose is to use the failures, shells, and almonds as a source of bioactive compounds addition in yogurt, ensuring intelligent use of these natural resources. Thus, one açaí yogurt sample and eight yogurt formulations containing portions of pinhão byproducts between 5 % and 10 % were elaborated. These formulations were compared regarding their physicochemical, nutritional, functional properties, antimicrobial activity, and multi-elemental profile properties. Enriching açaí yogurt with pinhão byproducts does not significantly differ in protein, lipid, moisture, and mineral salt content between all samples with pinhão byproducts. Açaí yogurts enriched with pinhão byproducts had 5.71 to 26.07 % times total protein than the control sample, and total fiber also had a significant increase in samples ranging between 18.62 to 85.29 % times more than the control sample. Regarding color settings, all yogurt samples tended to be red-purple. A sample of açaí yogurt with pine nut flour and whole pine nut flour caused a biofilm mass amount of 46.58, 45.55, and 11.85 % for Listeria monocytogenes, Salmonella enteritidis and Pseudomonas aeruginosa. The behavior of pathogenic bacteria is related to the total polyphenol content in yogurts enriched with pinhão byproducts, which increased from 8.27 to 18.24 mg/100 g. Yogurt with açaí enriched with whole pinhão flour showed high antioxidant capacity. The sample's antioxidant activity results increased by 47.62 % and 130.38 % in the ABTS and DPPH analyses, respectively. The compounds in pinhão failure nanosuspensions, pinhão flour, whole pinhão flour, and yogurts were identified and divided into hydrophilic and lipophilic classes. Five classes (amino acids, organic acids, sugars, phenols, and cyclitols) were identified as hydrophilic. Lipophilic compounds were identified and separated into six classes (carboxylic acids, diterpenes, alcohols, Α-hydroxy acids, sterols, and triterpenes). The addition of pinhão byproducts increased the contents of Ca, Fe, K, Na, and P. Açaí yogurt with pinhão nanosuspension, pinhão flour, and whole pinhão flour had the highest Ca content (2164.38 ± 2.16 µg/L). Açaí yogurt with pinhão flour and whole pinhão flour had the highest Fe content (84.02 ± 0.08 µg/L).
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Affiliation(s)
- Matheus Sbruzzi Fiebig
- Postgraduate Program in Food Engineering, Federal University of Santa Catarina, Technology Center, Trindade, 88034-001 Florianópolis, SC, Brazil
| | - Dayanne Regina Mendes Andrade
- Postgraduate Program in Food Engineering, Federal University of Paraná, Jardim das Américas, 82590-300, Curitiba, PR, Brazil
| | - Leandro José de Oliveira Mindelo
- Postgraduate Program in Food Engineering, Federal University of Santa Catarina, Technology Center, Trindade, 88034-001 Florianópolis, SC, Brazil
| | - Jefferson Santos de Gois
- Department of Analytical Chemistry, Rio de Janeiro State University, University City to Maracanã, 21941-909, Rio de Janeiro, RJ, Brazil
| | - Aderval S Luna
- Department of Analytical Chemistry, Rio de Janeiro State University, University City to Maracanã, 21941-909, Rio de Janeiro, RJ, Brazil
| | - Marcel Afonso Provenzi
- Postgraduate Program in Food Science, Federal University of Santa Catarina, Center of Agrarian Sciences, Itacorubi, 88034-001, Florianópolis, SC, Brazil
| | - Washington Luiz Esteves Magalhães
- Brazilian Agricultural Research Corporation (Embrapa Florestas), Estrada da Ribeira, km 111, Guaraituba, 83411-000, Colombo, PR, Brazil
| | - Marilia Miotto
- Department of Food Science and Technology, Federal University of Santa Catarina, Itacorubi, 88034-001, Florianópolis, SC, Brazil
| | - Cristiane Vieira Helm
- Brazilian Agricultural Research Corporation (Embrapa Florestas), Estrada da Ribeira, km 111, Guaraituba, 83411-000, Colombo, PR, Brazil
| | - Elane Schwinden Prudencio
- Postgraduate Program in Food Engineering, Federal University of Santa Catarina, Technology Center, Trindade, 88034-001 Florianópolis, SC, Brazil; Department of Food Science and Technology, Federal University of Santa Catarina, Itacorubi, 88034-001, Florianópolis, SC, Brazil.
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Colín-García K, Elizalde-Velázquez GA, Gómez-Oliván LM, García-Medina S. Influence of sucralose, acesulfame-k, and their mixture on brain's fish: A study of behavior, oxidative damage, and acetylcholinesterase activity in Daniorerio. CHEMOSPHERE 2023; 340:139928. [PMID: 37625490 DOI: 10.1016/j.chemosphere.2023.139928] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/29/2023] [Revised: 08/20/2023] [Accepted: 08/21/2023] [Indexed: 08/27/2023]
Abstract
Sucralose (SUC) and acesulfame-k (ACE-K) are widely used artificial sweeteners worldwide; however, they are frequently detected in aquatic environments due to their low metabolism and inadequate removal during wastewater treatment. The harmful effects of these compounds on hydrobionts have yet to be fully understood, as data on their toxicity is limited and inconclusive. This research aimed to determine the impact of SUC (50, 75, 125 μg/L) and ACE-K (50, 75, 125 μg/L), individually and in combination, on fish's swimming behavior, acetylcholinesterase activity, and oxidative stress response after four months of exposure. Following exposure, adult Danio rerio displayed anxiety-like behavior, as evidenced by increased freezing time and decreased swimming activity. Additionally, analysis of fish brain tissue revealed a disruption of REDOX homeostasis, leading to oxidative stress, which may be responsible for the observed inhibition of AChE activity. The results indicated that ACE-K was more toxic than SUC, and the mixture of both compounds produced a more detrimental effect than when each compound was administered alone. These findings highlight the hazardous impacts of SUC and ACE-K on fish in environmentally relevant concentrations, suggesting that these compounds should be added to the priority pollutant list.
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Affiliation(s)
- Karla Colín-García
- Laboratorio de Toxicología Ambiental, Facultad de Química, Universidad Autónoma Del Estado de México, Paseo Colón Intersección Paseo Tollocan, Colonia Residencial Colón, CP 50120, Toluca, Estado de México, Mexico
| | - Gustavo Axel Elizalde-Velázquez
- Laboratorio de Toxicología Ambiental, Facultad de Química, Universidad Autónoma Del Estado de México, Paseo Colón Intersección Paseo Tollocan, Colonia Residencial Colón, CP 50120, Toluca, Estado de México, Mexico
| | - Leobardo Manuel Gómez-Oliván
- Laboratorio de Toxicología Ambiental, Facultad de Química, Universidad Autónoma Del Estado de México, Paseo Colón Intersección Paseo Tollocan, Colonia Residencial Colón, CP 50120, Toluca, Estado de México, Mexico.
| | - Sandra García-Medina
- Laboratorio de Toxicología Acuática, Departamento de Farmacia, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Unidad Profesional Adolfo López Mateos, Av. Wilfrido Massieu S/n y Cerrada Manuel Stampa, Col. Industrial Vallejo, Ciudad de México, CP, 07700, Mexico
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3
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Oloye FF, Xie Y, Challis JK, Femi-Oloye OP, Brinkmann M, McPhedran KN, Jones PD, Servos MR, Giesy JP. Understanding common population markers for SARS-CoV-2 RNA normalization in wastewater - A review. CHEMOSPHERE 2023; 333:138682. [PMID: 37201600 PMCID: PMC10186006 DOI: 10.1016/j.chemosphere.2023.138682] [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: 10/14/2022] [Revised: 02/14/2023] [Accepted: 04/11/2023] [Indexed: 05/20/2023]
Abstract
Wastewater monitoring and epidemiology have seen renewed interest during the recent COVID-19 pandemic. As a result, there is an increasing need to normalize wastewater-derived viral loads in local populations. Chemical tracers, both exogenous and endogenous compounds, have proven to be more stable and reliable for normalization than biological indicators. However, differing instrumentation and extraction methods can make it difficult to compare results. This review examines current extraction and quantification methods for ten common population indicators: creatinine, coprostanol, nicotine, cotinine, sucralose, acesulfame, androstenedione 5-hydroindoleacetic acid (5-HIAA), caffeine, and 1,7-dimethyluric acid. Some wastewater parameters such as ammonia, total nitrogen, total phosphorus, and daily flowrate were also evaluated. The analytical methods included direct injection, dilute and shoot, liquid/liquid, and solid phase extraction (SPE). Creatine, acesulfame, nicotine, 5-HIAA and androstenedione have been analysed by direct injection into LC-MS; however, most authors prefer to include SPE steps to avoid matrix effects. Both LC-MS and GC-MS have been successfully used to quantify coprostanol in wastewater, and the other selected indicators have been quantified successfully with LC-MS. Acidification to stabilize the sample before freezing to maintain the integrity of samples has been reported to be beneficial. However, there are arguments both for and against working at acidic pHs. Wastewater parameters mentioned earlier are quick and easy to quantify, but the data does not always represent the human population effectively. A preference for population indicators originating solely from humans is apparent. This review summarises methods employed for chemical indicators in wastewater, provides a basis for choosing an appropriate extraction and analysis method, and highlights the utility of accurate chemical tracer data for wastewater-based epidemiology.
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Affiliation(s)
- Femi F Oloye
- Toxicology Centre, University of Saskatchewan, Saskatoon, SK, Canada.
| | - Yuwei Xie
- Toxicology Centre, University of Saskatchewan, Saskatoon, SK, Canada
| | | | | | - Markus Brinkmann
- Toxicology Centre, University of Saskatchewan, Saskatoon, SK, Canada; Global Institute for Water Security, University of Saskatchewan, Saskatoon, SK, Canada; School of Environment and Sustainability, University of Saskatchewan, Saskatoon, SK, Canada
| | - Kerry N McPhedran
- School of Environment and Sustainability, University of Saskatchewan, Saskatoon, SK, Canada; Department of Civil, Geological and Environmental Engineering, College of Engineering, University of Saskatchewan, Saskatoon, SK, Canada
| | - Paul D Jones
- Toxicology Centre, University of Saskatchewan, Saskatoon, SK, Canada; Global Institute for Water Security, University of Saskatchewan, Saskatoon, SK, Canada; School of Environment and Sustainability, University of Saskatchewan, Saskatoon, SK, Canada
| | - Mark R Servos
- Department of Biology, University of Waterloo, Waterloo, Ontario, Canada
| | - John P Giesy
- Toxicology Centre, University of Saskatchewan, Saskatoon, SK, Canada; Department of Environmental Sciences, Baylor University, Waco, TX, USA; Department of Integrative Biology and Center for Integrative Toxicology, Michigan State University, East Lansing, MI, 48824, USA.
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Wang X, Liang X, Guo X. Global distribution and potential risks of artificial sweeteners (ASs) with widespread contaminant in the environment: The latest advancements and future development. Trends Analyt Chem 2023. [DOI: 10.1016/j.trac.2023.116915] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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Kim DH, Jeong Y, Belova L, Roggeman M, Fernández SF, Poma G, Remy S, Verheyen VJ, Schoeters G, van Nuijs ALN, Covaci A. Comprehensive investigation of persistent and mobile chemicals and per- and polyfluoroalkyl substances in urine of flemish adolescents using a suspect screening approach. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 312:119972. [PMID: 35988679 DOI: 10.1016/j.envpol.2022.119972] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/25/2022] [Revised: 07/18/2022] [Accepted: 08/10/2022] [Indexed: 06/15/2023]
Abstract
Persistent and mobile chemicals (PMs) and per- and polyfluoroalkyl substances (PFAS) are groups of chemicals that have received recent global attention due to their potential health effects on the environment and humans. In this study, exposure to a broad range of PMs and PFAS was investigated in Flemish adolescents' urine samples (n = 83) using a suspect screening approach. For this purpose, three sample preparation methods were evaluated, and a basic liquid-liquid extraction was optimized for urine analysis based on the extraction efficiency of PMs (53-80%) and PFAS (>70%). In total, 9 PMs were identified in urine samples at confidence levels (CL) 1-3 and, among them, acetaminophen, 4-aminophenol, 2,2,6,6-tetramethyl-4-piperidone, trifluoroacetic acid (TFAA), sulisobenzone, ethyl sulfate, and 1,2-benzisothiazol-3(2H)-one 1,1-dioxide were confirmed at CL 1 and 2. In addition, the detection and identification of 2,2,6,6-tetramethyl-4-piperidone, 4-aminophenol, TFAA, and m-(2,3-epoxypropoxy)-N,N-bis(2,3-epoxypropyl) aniline (CL 3), has been reported for the first time in human urine in this study. For PFAS, only 2 compounds were identified at CL 4, implying that urine is not a suitable matrix for suspect screening of such compounds. A significant difference between sexes was observed in the detection rate of identified PMs, in particular for acetaminophen, 4-aminophenol, and sulisobenzone. The findings of this study can be used in future human biomonitoring programs, such as by including the newly identified compounds in quantitative methods or monitoring in other human matrices (e.g., serum).
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Affiliation(s)
- Da-Hye Kim
- Toxicological Centre, Department of Pharmaceutical Sciences, University of Antwerp, Universiteitsplein 1, 2610, Wilrijk, Belgium.
| | - Yunsun Jeong
- Toxicological Centre, Department of Pharmaceutical Sciences, University of Antwerp, Universiteitsplein 1, 2610, Wilrijk, Belgium
| | - Lidia Belova
- Toxicological Centre, Department of Pharmaceutical Sciences, University of Antwerp, Universiteitsplein 1, 2610, Wilrijk, Belgium
| | - Maarten Roggeman
- Toxicological Centre, Department of Pharmaceutical Sciences, University of Antwerp, Universiteitsplein 1, 2610, Wilrijk, Belgium
| | - Sandra F Fernández
- Foundation for the Promotion of Health and Biomedical Research in the Valencian Region, FISABIO-Public Health, Av. Catalunya, 21, 46020, Valencia, Spain
| | - Giulia Poma
- Toxicological Centre, Department of Pharmaceutical Sciences, University of Antwerp, Universiteitsplein 1, 2610, Wilrijk, Belgium
| | - Sylvie Remy
- Flemish Institute for Technological Research (VITO), Boeretang 200, 2400, Mol, Belgium
| | - Veerle J Verheyen
- Flemish Institute for Technological Research (VITO), Boeretang 200, 2400, Mol, Belgium
| | - Greet Schoeters
- Flemish Institute for Technological Research (VITO), Boeretang 200, 2400, Mol, Belgium
| | - Alexander L N van Nuijs
- Toxicological Centre, Department of Pharmaceutical Sciences, University of Antwerp, Universiteitsplein 1, 2610, Wilrijk, Belgium
| | - Adrian Covaci
- Toxicological Centre, Department of Pharmaceutical Sciences, University of Antwerp, Universiteitsplein 1, 2610, Wilrijk, Belgium
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Colín-García K, Elizalde-Velázquez GA, Gómez-Oliván LM, Islas-Flores H, García-Medina S, Galar-Martínez M. Acute exposure to environmentally relevant concentrations of sucralose disrupts embryonic development and leads to an oxidative stress response in Danio rerio. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 829:154689. [PMID: 35314215 DOI: 10.1016/j.scitotenv.2022.154689] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/02/2022] [Revised: 03/15/2022] [Accepted: 03/15/2022] [Indexed: 06/14/2023]
Abstract
Sucralose (SUC) is the most consumed artificial sweetener worldwide, not metabolized by the human body, and barely eliminated from water in wastewater treatment plants. Although different studies have reported high concentrations of this sweetener in aquatic environments, limited to no information is known about the toxic effects this drug may produce over water organisms. Moreover, most of the current studies have used non-environmentally relevant concentrations of SUC for these effects. Herein, we aimed to evaluate the harmful effects that environmentally relevant concentrations of SUC may induce in the early life stages of Danio rerio. According to our results, SUC altered the embryonic development of D. rerio, producing several malformations that led to their death. The major malformations were scoliosis, pericardial edema, yolk deformation, and tail malformation. However, embryos also got craniofacial malformations, eye absence, fin absence, dwarfism, delay of the hatching process, and hypopigmentation. SUC also generated an oxidative stress response in the embryos characterized by an increase in the levels of lipid peroxidation, hydroperoxides, and carbonyl proteins. To overcome this oxidative stress response, we observed a significant increase in the levels of antioxidant enzymes superoxide dismutase and catalase. Moreover, a significant boost in the expression of antioxidant defense-related genes, Nuclear respiratory factor 1a (Nrf1a) and Nuclear respiratory factor 2a (Nrf2a), was also observed at all concentrations. Concerning apoptosis-related genes, we observed the expression of Caspase 3 (CASP3) and Caspase 9 (CASP9) was increased in a concentration-dependent manner. Overall, we conclude environmentally relevant concentrations of SUC are harmful to the early life stages of fish as they produce malformations, oxidative stress, and increased gene expression of apoptosis-related genes on embryos.
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Affiliation(s)
- Karla Colín-García
- Laboratorio de Toxicología Ambiental, Facultad de Química, Universidad Autónoma del Estado de México, Paseo Colón intersección Paseo Tollocan, Colonia Residencial Colón, CP 50120 Toluca, Estado de México, Mexico
| | - Gustavo Axel Elizalde-Velázquez
- Laboratorio de Toxicología Ambiental, Facultad de Química, Universidad Autónoma del Estado de México, Paseo Colón intersección Paseo Tollocan, Colonia Residencial Colón, CP 50120 Toluca, Estado de México, Mexico
| | - Leobardo Manuel Gómez-Oliván
- Laboratorio de Toxicología Ambiental, Facultad de Química, Universidad Autónoma del Estado de México, Paseo Colón intersección Paseo Tollocan, Colonia Residencial Colón, CP 50120 Toluca, Estado de México, Mexico.
| | - Hariz Islas-Flores
- Laboratorio de Toxicología Ambiental, Facultad de Química, Universidad Autónoma del Estado de México, Paseo Colón intersección Paseo Tollocan, Colonia Residencial Colón, CP 50120 Toluca, Estado de México, Mexico
| | - Sandra García-Medina
- Laboratorio de Toxicología Acuática, Departamento de Farmacia, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Unidad Profesional Adolfo López Mateos, Av. Wilfrido Massieu s/n y cerrada Manuel Stampa, Col. Industrial Vallejo, Ciudad de México CP 07700, Mexico
| | - Marcela Galar-Martínez
- Laboratorio de Toxicología Acuática, Departamento de Farmacia, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Unidad Profesional Adolfo López Mateos, Av. Wilfrido Massieu s/n y cerrada Manuel Stampa, Col. Industrial Vallejo, Ciudad de México CP 07700, Mexico
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Liu Y, Ptacek CJ, Groza LG, Staples R, Blowes DW. Occurrence and distribution of emerging contaminants in mine-impacted lake water and potential use as co-tracers of anthropogenic activity in the subarctic region, Northwest Territories, Canada. ENVIRONMENTAL RESEARCH 2022; 207:112034. [PMID: 34562482 DOI: 10.1016/j.envres.2021.112034] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/16/2021] [Revised: 08/13/2021] [Accepted: 09/07/2021] [Indexed: 06/13/2023]
Abstract
The emerging contaminant (EC) perchlorate (ClO4-), a blasting agent widely used in mining and refining operations, has been used as a practical indicator of mining activities. Widespread occurrence of ECs, such as pharmaceutical compounds, artificial sweeteners, and perfluoroalkyl substances, and their use as co-tracers of wastewater associated with anthropogenic activities in the urban and Arctic environments have been previously investigated. However, limited studies have reported the occurrence of these ECs and the feasibility of their use as co-tracers of anthropogenic activities in pristine waterbodies (e.g., continuous permafrost region) that receive effluent from mine sites. In this study, water samples were collected from the surface of 10 lakes within the Coppermine and Lockhart Watersheds in the continuous permafrost region in the Northwest Territories, Canada during the open water seasons of 2016, 2017, and 2018. Concentrations of 16 ECs were determined to delineate the spatial and temporal distribution of these compounds in waterbodies receiving effluent from mine sites. Slightly elevated concentrations of ClO4- (100-700 ng L-1), caffeine (0.2-5.9 ng L-1), acesulfame-K (0.5-1.5 ng L-1), perfluorooctanoic acid (PFOA; 5-34 ng L-1), perfluorooctane sulfonic acid (PFOS; 11-40 ng L-1), chloride (1.5-2.3 mg L-1), and sulfate (1.0-3.6 mg L-1) were observed across the two investigated watersheds, especially downstream of the mining sites. The concurrence of elevated concentrations of these target ECs combined with other dissolved constituents (chloride and sulfate) may indicate the influence of mining activity on the receiving waterbodies and the potential use of these compounds as co-indicators of anthropogenic activity. Results from this study provide novel information on the distribution of 16 ECs in pristine waterbodies that receive effluents from mining sites in the Canadian subarctic in advance of more expansive human development and increased warming and melting of mine sites, including mine wastes.
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Affiliation(s)
- YingYing Liu
- Department of Earth and Environmental Sciences, University of Waterloo, Waterloo, Ontario, N2L 3G1, Canada
| | - Carol J Ptacek
- Department of Earth and Environmental Sciences, University of Waterloo, Waterloo, Ontario, N2L 3G1, Canada.
| | - Laura G Groza
- Department of Earth and Environmental Sciences, University of Waterloo, Waterloo, Ontario, N2L 3G1, Canada
| | - Robin Staples
- Department of Environment and Natural Resources, Government of the Northwest Territories, Yellowknife, Northwest Territories, X1A 2L9, Canada
| | - David W Blowes
- Department of Earth and Environmental Sciences, University of Waterloo, Waterloo, Ontario, N2L 3G1, Canada
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Zhang R, Du J, Dong X, Huang Y, Xie H, Chen J, Li X, Kadokami K. Occurrence and ecological risks of 156 pharmaceuticals and 296 pesticides in seawater from mariculture areas of Northeast China. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 792:148375. [PMID: 34157531 DOI: 10.1016/j.scitotenv.2021.148375] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/04/2021] [Revised: 05/31/2021] [Accepted: 06/03/2021] [Indexed: 06/13/2023]
Abstract
China is the largest mariculture producer in the world. In recent years, pharmaceuticals and pesticides have been widely used in mariculture activities; however, most studies have only focused on the occurrence of limited types of antibiotics and organochlorine pesticides. It is critical to comprehensively investigate the occurrence of pharmaceuticals and pesticides in mariculture areas and assess their potential impacts on ocean ecosystems. In this study, the occurrence, distribution, and ecological risk of 484 compounds, including 296 pesticides, 156 pharmaceuticals, and 32 other substances, in the drainage ditches of culture ponds and raft-culture areas were investigated. A total of 51 compounds were detected in the mariculture area, with total concentrations ranging from 5.4 × 102 to 2.0 × 104 ng/L at each sampling site. Eleven pesticides, three pharmaceuticals, and five other compounds were detected with detection frequencies of 100%. The cluster analysis indicated that mariculture is a source of herbicide pollution in coastal waters. To assess the ecological risks of the detected compounds, toxicity data collected from the database and predicted from quantitative structure activity relationship (QSAR) models were used to calculate the risk quotients and probabilistic risks. According to the risk quotients, five pollutants, including diuron, ametryn, prometryne, simetryn, and terbutryn, were estimated to pose high risks to marine organisms. The results of the probabilistic risk assessment indicated that only diuron, a biocide used in antifouling paint and mariculture, would have an adverse effect on up to 8% of the aquatic species in nearshore areas. These findings could be helpful in determining the aquatic benchmarks of pesticides and pharmaceuticals in mariculture discharge to promote the sustainable development of mariculture and ecological protection in coastal areas.
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Affiliation(s)
- Ruohan Zhang
- Key Laboratory of Industrial Ecology and Environmental Engineering (MOE), School of Environmental Science and Technology, Dalian University of Technology, Dalian, China
| | - Jing Du
- Dalian Key Laboratory of Conservation Biology for Endangered Marine mammals, Liaoning Ocean and Fisheries Science Research Institute, Dalian, China
| | - Xianbao Dong
- Key Laboratory of Industrial Ecology and Environmental Engineering (MOE), School of Environmental Science and Technology, Dalian University of Technology, Dalian, China
| | - Yang Huang
- Key Laboratory of Industrial Ecology and Environmental Engineering (MOE), School of Environmental Science and Technology, Dalian University of Technology, Dalian, China
| | - Huaijun Xie
- Key Laboratory of Industrial Ecology and Environmental Engineering (MOE), School of Environmental Science and Technology, Dalian University of Technology, Dalian, China
| | - Jingwen Chen
- Key Laboratory of Industrial Ecology and Environmental Engineering (MOE), School of Environmental Science and Technology, Dalian University of Technology, Dalian, China
| | - Xuehua Li
- Key Laboratory of Industrial Ecology and Environmental Engineering (MOE), School of Environmental Science and Technology, Dalian University of Technology, Dalian, China.
| | - Kiwao Kadokami
- Institute of Environmental Science and Technology, The University of Kitakyushu, Kitakyushu, Fukuoka, Japan.
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Chen S, Gan Z, Li Z, Li Y, Ma X, Chen M, Qu B, Ding S, Su S. Occurrence and risk assessment of anthelmintics in Tuojiang River in Sichuan, China. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2021; 220:112360. [PMID: 34058680 DOI: 10.1016/j.ecoenv.2021.112360] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/28/2020] [Revised: 05/17/2021] [Accepted: 05/19/2021] [Indexed: 06/12/2023]
Abstract
Recently, emerging pollutants, such as anthelmintics have attracted an increasing attention worldwide due to their extensive use and notable stability. However, the information on anthelmintics in the environment of southwest China is scarce. Thus, the occurrence, ecological risk and exposure evaluation of nineteen anthelmintics in Tuojiang River, which is one of the largest tributaries of Yangtze River, and drinking water source of Sichuan, southwest China, were investigated. The result showed that the detection frequency of anthelmintics was relatively high in Tuojiang River, ranging from 65% to 100% in river water. Among the seven kinds of anthelmintics, benzimidazoles are the primary anthelmintics, with concentrations up to 61.12 ng/L and 596.06 ng/g in water and sediment of the Tuojiang river, respectively. The total concentration of 19 anthelmintics in sediment samples from non-agricultural area was higher than that in agricultural area(p = 0.000 < 0.05). This could be attributed to anthropogenic activities, which lead to greater discharge and accumulation of anthelmintics in residential area along the river. It's worth to mention that the highest total concentrations of anthelmintics (109.28 ng/L) was found at the junction of rivers in R31 site. The results could be ascribed to the complexity of junction of Tuojiang River and Yangtze River, which could influence the distribution of pollutant. Besides, the ecological risk assessment showed that the macrocyclic lactones rather than benzimidazoles had relatively high toxicity to non-target organisms in aquatic environment (p = 0.000 < 0.05), with the highest RQEcotox value of 101 for Daphnia magna, while benzimidazoles had relatively high concentrations. The exposure risk could be ignored for both children and adults because the daily intake of anthelmintics via water ingestion were below 10 ng/kg/d. In addition, strong correlations were found between sucralose and most of the selected anthelmintics in Tuojiang River, indicating that sucralose might be a good tracer to evaluated the source of anthelmintics in surface water. This study provides the levels, risks and even some tracer information of pollutants for better understanding of anthelmintics in southwest China.
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Affiliation(s)
- Sibei Chen
- College of Architecture and Environment, Sichuan University, Chengdu 610065, China
| | - Zhiwei Gan
- College of Architecture and Environment, Sichuan University, Chengdu 610065, China.
| | - Zhi Li
- College of Architecture and Environment, Sichuan University, Chengdu 610065, China.
| | - Yiwen Li
- College of Architecture and Environment, Sichuan University, Chengdu 610065, China
| | - Xuan Ma
- College of Architecture and Environment, Sichuan University, Chengdu 610065, China
| | - Mengqin Chen
- College of Architecture and Environment, Sichuan University, Chengdu 610065, China
| | - Bing Qu
- College of Architecture and Environment, Sichuan University, Chengdu 610065, China
| | - Sanglan Ding
- College of Architecture and Environment, Sichuan University, Chengdu 610065, China
| | - Shijun Su
- College of Architecture and Environment, Sichuan University, Chengdu 610065, China
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Alves PDCC, Rodrigues-Silva C, Ribeiro AR, Rath S. Removal of low-calorie sweeteners at five Brazilian wastewater treatment plants and their occurrence in surface water. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2021; 289:112561. [PMID: 33865021 DOI: 10.1016/j.jenvman.2021.112561] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/09/2020] [Revised: 04/01/2021] [Accepted: 04/04/2021] [Indexed: 06/12/2023]
Abstract
The consumption of low-calorie sweeteners (LCSs) such as acesulfame (ACE), sucralose (SUC), saccharin (SAC), cyclamate (CYC), aspartame (ASP), neotame (NEO), and stevioside (STV) is increasing worldwide to meet the demand for reduced-calorie foods and beverages. However, there are no consumption data available in Brazil, as well as their concentration in sewage and removal on wastewater treatment plants (WWTPs). In the present study, ACE, SUC, SAC, CYC, ASP, NEO, and STV were assessed at five WWTPs located in the metropolitan region of Campinas (São Paulo State, Brazil), in operation with different treatment processes. Surface water was also analyzed. Analyses were carried out by on-line solid-phase extraction ultra-high performance liquid chromatography-tandem mass spectrometry. The major points are the following: LCS concentrations in the influents ranged from 0.25 to 189 μg L-1 and followed the order CYC > ACE > SAC > SUC. NEO, ASP, and STV were not detected at any sampling site. Sweetener concentrations in the WWTP outputs differed mainly due to the different treatment setups employed. CYC and SAC were completely removed by biodegradation-based processes, while ACE removal was favored by the anaerobic-anoxic-aerobic process. SUC presented the highest concentration in the treated sewage, even at the WWTP operating with ultrafiltration membranes and therefore could be a marker compound for evaluation of the efficiency of removal of contaminants in WWTPs. Risk quotient estimation, using the PNEC and MEC values, indicated that the levels of the LCS reported here were harmless to the biota. The consumption of ACE, CYC, SAC, and SUC was estimated to be 2634 t year-1.
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Affiliation(s)
- Priscilla da Costa Cunha Alves
- Institute of Chemistry, Department of Analytical Chemistry, University of Campinas, P.O. Box 6154, 13084-971, Campinas, SP, Brazil
| | - Caio Rodrigues-Silva
- Institute of Chemistry, Department of Analytical Chemistry, University of Campinas, P.O. Box 6154, 13084-971, Campinas, SP, Brazil
| | - Alyson Rogério Ribeiro
- Institute of Chemistry, Department of Analytical Chemistry, University of Campinas, P.O. Box 6154, 13084-971, Campinas, SP, Brazil; Department of Preventive Veterinary Medicine, Veterinary School, Federal University of Minas Gerais, Minas Gerais, 31270-901, Brazil.
| | - Susanne Rath
- Institute of Chemistry, Department of Analytical Chemistry, University of Campinas, P.O. Box 6154, 13084-971, Campinas, SP, Brazil
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11
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Ma R, Li L, Zhang B. Impact assessment of anthropogenic activities on the ecological systems in the Xiongan New Area in the North China Plain. INTEGRATED ENVIRONMENTAL ASSESSMENT AND MANAGEMENT 2021; 17:866-876. [PMID: 33448634 DOI: 10.1002/ieam.4390] [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: 09/24/2020] [Revised: 12/21/2020] [Accepted: 12/23/2020] [Indexed: 06/12/2023]
Abstract
The aim of this study is to assess the impact of anthropogenic activities on the ecological systems in the Xiongan New Area (XNA), China. Artificial sweeteners (ASs) were used as anthropogenic tracers to investigate how anthropogenic activities affect water, soil, and plant layers. For this purpose, the concentrations of 4 typical ASs, acesulfame (ACE), sucralose (SUC), saccharin (SAC), and cyclamate (CYC) were measured in water, soil, and plant layers. Moreover, a tracer test was conducted in the critical zone observatory (CZO) in the southern part of the study area to investigate the migration path and time of anthropogenic activities on the ecological systems. Acesulfame, SUC, SAC, and CYC were widely detected in all of the sample types, and their average values were 0.22, 0.53, 0.06, and 0.08 µg/L in the water layer; 0.04, 0.18, 0.06, and 0.06 µg/kg in the soil layer; and 1.79, 0.11, 4.42, and 0.95 µg/kg in the plant layer, respectively. The tracer test showed that 1.1% to 1.8% of the impacts of the anthropogenic activities migrated from the surface to the shallow aquifer within 13 d, 6% to 19% migrated to the maize layer within 28 d, and 79% to 93% were adsorbed and biodegraded in the soil layer. Therefore, the scope and strength of the influence of the anthropogenic activities on the environmental media exhibit a decreasing sequence of maize > water > soil. This study not only quantitatively characterizes the impact of anthropogenic activities on the ecological environment but also presents the first comprehensive overview of the environmental fate of ASs in the critical zone of the XNA, China. Integr Environ Assess Manag 2021;17:866-876. © 2021 SETAC.
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Affiliation(s)
- Rong Ma
- State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering, Nanjing Hydraulic Research Institute, Nanjing, China
- Key Laboratory of Groundwater Sciences and Engineering, Ministry of Natural Resources, Institute of Hydrogeology and Environmental Geology, Shijiazhuang, China
| | - Lei Li
- National Engineering Research Center of Geographic Information Systems, China University of Geosciences (Wuhan), Wuhan
- Tianjin Center, China Geological Survey, Tianjin, China
| | - Bing Zhang
- Key Laboratory of Groundwater Sciences and Engineering, Ministry of Natural Resources, Institute of Hydrogeology and Environmental Geology, Shijiazhuang, China
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12
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Analytical Methods for Determination of Non-Nutritive Sweeteners in Foodstuffs. Molecules 2021; 26:molecules26113135. [PMID: 34073913 PMCID: PMC8197393 DOI: 10.3390/molecules26113135] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2021] [Revised: 05/05/2021] [Accepted: 05/18/2021] [Indexed: 11/16/2022] Open
Abstract
Sweeteners have been used in food for centuries to increase both taste and appearance. However, the consumption of sweeteners, mainly sugars, has an adverse effect on human health when consumed in excessive doses for a certain period, including alteration in gut microbiota, obesity, and diabetes. Therefore, the application of non-nutritive sweeteners in foodstuffs has risen dramatically in the last decade to substitute sugars. These sweeteners are commonly recognized as high-intensity sweeteners because, in a lower amount, they could achieve the same sweetness of sugar. Regulatory authorities and supervisory agencies around the globe have established the maximum amount of these high-intensity sweeteners used in food products. While the regulation is getting tighter on the market to ensure food safety, reliable analytical methods are required to assist the surveillance in monitoring the use of high-intensity sweeteners. Hence, it is also necessary to comprehend the most appropriate method for rapid and effective analyses applied for quality control in food industries, surveillance and monitoring on the market, etc. Apart from various analytical methods discussed here, extraction techniques, as an essential step of sample preparation, are also highlighted. The proper procedure, efficiency, and the use of solvents are discussed in this review to assist in selecting a suitable extraction method for a food matrix. Single- and multianalyte analyses of sweeteners are also described, employing various regular techniques, such as HPLC, and advanced techniques. Furthermore, to support on-site surveillance of sweeteners’ usage in food products on the market, non-destructive analytical methods that provide practical, fast, and relatively low-cost analysis are widely implemented.
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13
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Dietrich AM, Pang Z, Zheng H, Ma X. Mini review: Will artificial sweeteners discharged to the aqueous environment unintentionally “sweeten” the taste of tap water? CHEMICAL ENGINEERING JOURNAL ADVANCES 2021. [DOI: 10.1016/j.ceja.2021.100100] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
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Li D, O'Brien JW, Tscharke BJ, Choi PM, Zheng Q, Ahmed F, Thompson J, Li J, Mueller JF, Sun H, Thomas KV. National wastewater reconnaissance of artificial sweetener consumption and emission in Australia. ENVIRONMENT INTERNATIONAL 2020; 143:105963. [PMID: 32688159 DOI: 10.1016/j.envint.2020.105963] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Revised: 06/24/2020] [Accepted: 07/07/2020] [Indexed: 06/11/2023]
Abstract
Artificial sweeteners are used as sugar substitutes in our daily lives yet consumption and release patterns are currently unknown in Australia. The spatial distribution of artificial sweetener consumption and WWTP effluent emission in Australia was estimated by wastewater analysis. Wastewater influent and effluent samples were collected from 69 WWTPs across Australia during the week of the 2016 Australian census. Mean population-weighted per capita loads for individual artificial sweeteners (cyclamate, aspartame, acesulfame, sucralose, saccharin) ranged from 0.12 ± 0.14 mg d-1p-1 for aspartame to 6.9 ± 2.8 mg d-1p-1 for acesulfame with 1004 kg of these artificial sweeteners being consumed daily in Australia. Significant removal of aspartame (100%), cyclamate (92 ± 18%) and saccharin (88 ± 21%) was observed during wastewater treatment. The average per capita release to the environment for individual artificial sweeteners (cyclamate, acesulfame, sucralose, saccharin) ranged from 230 ± 780 mg d-1 1000p-1 (cyclamate) to 3800 ± 1400 mg d-1 1000p-1 (sucralose). The daily release of artificial sweeteners from Australian WWTPs was estimated to be 142 kg suggesting that 14% of the artificial sweeteners consumed in Australia are released into the environment. To the best of our knowledge, this is the first wastewater study to estimate the occurrence and population-normalized artificial sweetener consumption and emission in Australia.
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Affiliation(s)
- Dandan Li
- Ministry of Education Key Laboratory of Pollution Processes and Environmental Criteria, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China; Queensland Alliance for Environmental Health Sciences (QAEHS), The University of Queensland, 20 Cornwall Street, Woolloongabba, 4102 Queensland, Australia
| | - Jake W O'Brien
- Queensland Alliance for Environmental Health Sciences (QAEHS), The University of Queensland, 20 Cornwall Street, Woolloongabba, 4102 Queensland, Australia
| | - Benjamin J Tscharke
- Queensland Alliance for Environmental Health Sciences (QAEHS), The University of Queensland, 20 Cornwall Street, Woolloongabba, 4102 Queensland, Australia
| | - Phil M Choi
- Queensland Alliance for Environmental Health Sciences (QAEHS), The University of Queensland, 20 Cornwall Street, Woolloongabba, 4102 Queensland, Australia
| | - Qiuda Zheng
- Queensland Alliance for Environmental Health Sciences (QAEHS), The University of Queensland, 20 Cornwall Street, Woolloongabba, 4102 Queensland, Australia
| | - Fahad Ahmed
- Queensland Alliance for Environmental Health Sciences (QAEHS), The University of Queensland, 20 Cornwall Street, Woolloongabba, 4102 Queensland, Australia
| | - Jack Thompson
- Queensland Alliance for Environmental Health Sciences (QAEHS), The University of Queensland, 20 Cornwall Street, Woolloongabba, 4102 Queensland, Australia
| | - Jiaying Li
- Advanced Water Management Centre (AWMC), The University of Queensland, St Lucia, 4072 Queensland, Australia
| | - Jochen F Mueller
- Queensland Alliance for Environmental Health Sciences (QAEHS), The University of Queensland, 20 Cornwall Street, Woolloongabba, 4102 Queensland, Australia
| | - Hongwen Sun
- Ministry of Education Key Laboratory of Pollution Processes and Environmental Criteria, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China.
| | - Kevin V Thomas
- Queensland Alliance for Environmental Health Sciences (QAEHS), The University of Queensland, 20 Cornwall Street, Woolloongabba, 4102 Queensland, Australia.
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Development and Validation of HPLC-DAD Method for Simultaneous Determination of Seven Food Additives and Caffeine in Powdered Drinks. Foods 2020; 9:foods9081119. [PMID: 32823790 PMCID: PMC7466259 DOI: 10.3390/foods9081119] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2020] [Revised: 08/08/2020] [Accepted: 08/08/2020] [Indexed: 11/16/2022] Open
Abstract
The usage of food additives must respect the general legislation in force in the country and requires a reliable analytical method for surveillance. This research aimed to develop a high-performance liquid chromatography with diode array detection (HPLC-DAD) method for the simultaneous determination of seven food additives and caffeine in powdered drinks. Three factors likely to affect the chromatographic separation, namely, mobile phase composition at the beginning (x1, 0–10% of the amount of methanol in the phosphate buffer) and the end (x2, 60–100% of the amount of methanol in the phosphate buffer) of the gradient program and pH (x3, 3–7), were evaluated with the aid of a Box–Behnken Design (BBD). Subsequently, multi-response optimizations for chromatographic resolutions (Rs) and analysis time were performed using the response surface methodology (RSM) in conjunction with the desirability function (DF). Complete separation (Rs > 1.5) of seven food additives and caffeine was achieved in less than 16 min by applying 8.5% methanol in the phosphate buffer at the beginning and 90% at the end of the gradient program, in pH 6.7. The developed method was validated with low limits of detection (ranging from 1.16 mg kg−1 (sodium saccharin) to 3.00 mg kg−1 (acesulfame potassium)), low limits of quantification (ranging from 3.86 mg kg−1 (sodium saccharin) to 10.02 mg kg−1 (acesulfame potassium)), high precision (CV < 4%), and high accuracy (recoveries from 95 to 101% at 80, 100, and 120% of the target concentration). The method was successfully used to assess the seven food additives and caffeine in commercially available powdered drinks.
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16
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Li Y, Gan Z, Liu Y, Chen S, Su S, Ding S, Tran NH, Chen X, Long Z. Determination of 19 anthelmintics in environmental water and sediment using an optimized PLE and SPE method coupled with UHPLC-MS/MS. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 719:137516. [PMID: 32120113 DOI: 10.1016/j.scitotenv.2020.137516] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/18/2019] [Revised: 02/20/2020] [Accepted: 02/22/2020] [Indexed: 06/10/2023]
Abstract
A sensitive quantification method using pressurized liquid extraction (PLE) and solid phase extraction (SPE) coupled with ultra-high performance liquid chromatography-tandem mass spectrometry (UHPLC-MS/MS) was developed for determination of 19 anthelmintic drugs (ADs) belonging to seven structural groups (Benzimidazoles, Diphenylsulfides, Imidazothiazoles, Hexahydropyrazines, Macrocylic lactones, Salicylanilides, Tetrahydropyrimidines) in environmental water and sediment samples. Eleven SPE cartridges, sample pH, elution solvents were tested to determine the optimal conditions for extraction. Among these investigated SPE types, the best recoveries for 19 target ADs were obtained from Oasis HLB cartridge with 37-102%, 45-103%, 37-88%, 28-82% and 31-90% for spiked river water, tap water, rainwater, wastewater, and sediment respectively (with RSD < 15%), except for closantel. The 19 ADs were separated within 10 min by a BEH C18 column and monitored in both positive and negative ions modes with switching electrospray ionization source. The cross-talk interferences were solved by identification of secondary mass spectrum of substances through MRM-IDA-EPI scanning using Qtrap. These interference peaks could be efficiently eliminated by setting MRM segments or using Qtrap to obtain tertiary fragmented information. The developed methods were satisfactory in terms of linearity, accuracy, and precision, and used eight isotopically labeled compounds as internal standards to correct matrix effects. Method quantification limit (MQL) for 19 ADs was below 1.1 ng/L, 0.4 ng/L, 5.4 ng/L and 2.3 ng/g for river water, tap water, wastewater, and sediment, respectively. The validated method was successfully used to investigate the occurrence of anthelmintics in water and sediment samples from Chengdu, China. All ADs were detected in environment with the concentrations at ng/L level.
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Affiliation(s)
- Yiwen Li
- College of Architecture and Environment, Sichuan University, Chengdu 610065, China
| | - Zhiwei Gan
- College of Architecture and Environment, Sichuan University, Chengdu 610065, China.
| | - Yunxiang Liu
- College of Architecture and Environment, Sichuan University, Chengdu 610065, China
| | - Sibei Chen
- College of Architecture and Environment, Sichuan University, Chengdu 610065, China
| | - Shijun Su
- College of Architecture and Environment, Sichuan University, Chengdu 610065, China
| | - Sanglan Ding
- College of Architecture and Environment, Sichuan University, Chengdu 610065, China
| | - Ngoc Han Tran
- Institute of Research and Development, Duy Tan University, Da Nang 550000, Viet Nam
| | - Xi Chen
- SCIEX, Analytical Instrument Trading Co., Shanghai 200335, China
| | - Zhimin Long
- SCIEX, Analytical Instrument Trading Co., Shanghai 200335, China
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Cárdenas-Soracá DM, Singh V, Nazdrajić E, Vasiljević T, Grandy JJ, Pawliszyn J. Development of thin-film solid-phase microextraction coating and method for determination of artificial sweeteners in surface waters. Talanta 2020; 211:120714. [DOI: 10.1016/j.talanta.2020.120714] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2019] [Revised: 01/01/2020] [Accepted: 01/02/2020] [Indexed: 01/10/2023]
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18
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Li D, Yao Y, Sun H, Wang Y, Pu J, Calderón R, Alder AC, Kannan K. Artificial Sweeteners in Pig Feed: A Worldwide Survey and Case Study in Pig Farms in Tianjin, China. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2020; 54:4059-4067. [PMID: 32122124 DOI: 10.1021/acs.est.9b06853] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Some artificial sweeteners (ASs) are used in pig feeds, although little is known on this regard. An investigation was conducted by determining seven common ASs in pig feed, manure, wastewater, compost, and soil from 16 pig farms in Tianjin, China. Saccharin (SAC) was predominant in feed (1.41-326 mg/kg) and manure samples (1.06-401 mg/kg). The annual mass loads of ASs in pig feeds were estimated at 5.69-119, 4.92-149, and 1.29-35 kg per 103 piglets, hogs, and sows, respectively. The annual emission of ASs via biowaste (i.e., manure) was estimated at 3.58-85.2, 0.04-26.2, and 0.08-9.97 kg per 103 capita for the three dominant ASs, i.e., SAC, neotame (NEO), and cyclamate (CYC). On a global scale, SAC was also widely detected at concentrations of 0.01-326 mg/kg in pig feed from China, Switzerland, Japan, Chile, and the United States, suggesting the worldwide use of ASs in pig feed. NEO and CYC were found in 41% and 30% of the feed samples, respectively, at concentrations of 0.05-70 mg/kg, whereas other ASs were barely found with rather lower concentrations. The annual mass loads of ASs consumed via pig feed consumption were estimated at 2400 tons worldwide. Thus, pig farming is an important source of ASs to the environment.
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Affiliation(s)
- Dandan Li
- MOE Key Laboratory of Pollution Processes and Environmental Criteria, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China
| | - Yiming Yao
- MOE Key Laboratory of Pollution Processes and Environmental Criteria, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China
| | - Hongwen Sun
- MOE Key Laboratory of Pollution Processes and Environmental Criteria, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China
| | - Yu Wang
- MOE Key Laboratory of Pollution Processes and Environmental Criteria, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China
| | - Jian Pu
- Faculty of Information Networking for Innovation and Design, Tokyo University, Tokyo 115-0053, Japan
- Institute for Future Initiatives, The University of Tokyo, Tokyo 113-8654, Japan
| | - Raul Calderón
- Centro de Investigación en Recursos Naturales y Sustentabilidad, Universidad Bernardo O'Higgins, Fabrica 1990, Segundo Piso, Santiago, Chile
| | - Alfredo C Alder
- MOE Key Laboratory of Pollution Processes and Environmental Criteria, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China
| | - Kurunthachalam Kannan
- Wadsworth Center, New York State Department of Health, and Department of Environmental Health Sciences, School of Public Health, State University of New York at Albany, Albany, New York 12201, United States
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Fu K, Wang L, Wei C, Li J, Zhang J, Zhou Z, Liang Y. Sucralose and acesulfame as an indicator of domestic wastewater contamination in Wuhan surface water. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2020; 189:109980. [PMID: 31785946 DOI: 10.1016/j.ecoenv.2019.109980] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/14/2019] [Revised: 11/12/2019] [Accepted: 11/15/2019] [Indexed: 06/10/2023]
Abstract
Artificial sweeteners (ASs) are applied widely as sucrose substitutes in food, pharmaceuticals, and personal-care products, which results in their release into surface water. The occurrence of ASs in aquatic environments in China has rarely been reported. In this study, we determined the concentration of seven ASs in surface water and sediment samples from 16 lakes in Wuhan. The sum of the ASs concentration ranged from 0.89 to 20.6 μg/L in the surface water, with a mean value of 4.96 ± 5.16 μg/L. The most abundant AS was sucralose (SUC), with a concentration from 0.33 to 18.0 μg/L, followed by acesulfame (ACE) (0.40-2.78 μg/L), saccharin (SAC) (<MDL to 1.86 μg/L), and cyclamate (CYC) (<MDL to 2.22 μg/L). SUC and ACE accounted for 90% ± 8% of the total ASs in the surface water. The Σ4 ASs sediment concentrations ranged from 1.71 to 6.49 ng/g of the dry weight (dw, mean value 3.03 ± 1.03 ng/g dw). SAC, CYC, and ACE were detected in sediments (<MDL to 4.17 ng/g dw), with SAC as the dominant AS. In surface water, the Σ4 ASs concentrations of Hanyang station were higher than those of Hankou, while the Σ4 ASs concentrations in sediment samples from different regions showed no significant difference. The ASs concentrations in the surface water and sediment in winter were significantly higher than those in summer. Relatively higher concentrations and detected frequencies of SUC and ACE were found in surface water samples, whereas these two ASs were absent in background samples, which indicates that SUC and ACE can be used as potential indicators of wastewater contamination in Wuhan, China.
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Affiliation(s)
- Kehan Fu
- Hubei Key Laboratory of Environmental and Health Effects of Persistent Toxic Substances, Institute of Environment and Health, Jianghan University, Wuhan, PR China
| | - Ling Wang
- Hubei Key Laboratory of Environmental and Health Effects of Persistent Toxic Substances, Institute of Environment and Health, Jianghan University, Wuhan, PR China
| | - Cuiyun Wei
- Hubei Key Laboratory of Environmental and Health Effects of Persistent Toxic Substances, Institute of Environment and Health, Jianghan University, Wuhan, PR China
| | - Jie Li
- Hubei Key Laboratory of Environmental and Health Effects of Persistent Toxic Substances, Institute of Environment and Health, Jianghan University, Wuhan, PR China; College of Resources and Environment, Huazhong Agricultural University, Wuhan, PR China
| | - Jie Zhang
- College of Resources and Environment, Huazhong Agricultural University, Wuhan, PR China
| | - Zhen Zhou
- Hubei Key Laboratory of Environmental and Health Effects of Persistent Toxic Substances, Institute of Environment and Health, Jianghan University, Wuhan, PR China; Key Laboratory of Optoelectronic Chemical Materials and Devices, Ministry of Education, School of Chemical and Environmental Engineering, Jianghan University, Wuhan, PR China.
| | - Yong Liang
- Hubei Key Laboratory of Environmental and Health Effects of Persistent Toxic Substances, Institute of Environment and Health, Jianghan University, Wuhan, PR China
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Xu Y, Li K, Liu Y, Liu Z, Wang L, Pu J, Xu Z, Sun H. Combined effects of artificial sweetener acesulfame on the uptake of Cd in rice (Oryza sativa L.). ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2019; 252:171-179. [PMID: 31146232 DOI: 10.1016/j.envpol.2019.05.113] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/22/2019] [Revised: 05/17/2019] [Accepted: 05/21/2019] [Indexed: 06/09/2023]
Abstract
Organic pollutants are widely detected in surface water, groundwater and irrigation sewage in farmland soil, some of which can form complexes with heavy metal ions as ligands in the environment. Acesulfame (ACE), one of the most popular artificial sweeteners, has been found in wastewater sometimes at tens of microgram per liter. However, the combined effects of heavy metals and ACE are still unclear. In the present study, the effects of ACE on cadmium (Cd) absorption and translocation in rice seedlings (Oryza sativa L.) under different exposure conditions were investigated using hydroponic experiments. Under the combined exposure treatments of ACE and Cd, absorption of Cd and ACE in rice significantly decreased when compared with the single exposure treatments, while the alleviation of oxidative damage in rice was also found. Under the sequential exposure treatments of Cd and ACE, the post-exposed ACE activated the pre-absorbed Cd in plant, and accelerated the release of Cd to the environment as well as its translocation from the roots to shoots. In addition, compared with the single Cd exposure, the accumulated ACE can alleviate the oxidative damage in rice shoots induced by Cd, although the Cd concentrations in shoots changed little. In summary, the combined pollution of artificial sweetener ACE was beneficial to relieve the toxicological damage and ecological risk caused by Cd.
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Affiliation(s)
- Yali Xu
- Ministry of Education Key Laboratory of Pollution Processes and Environmental Criteria/Tianjin Key Laboratory of Environmental Technology for Complex Trans-Media Pollution, Nankai University, Tianjin, 300071, China
| | - Ke Li
- Ministry of Education Key Laboratory of Pollution Processes and Environmental Criteria/Tianjin Key Laboratory of Environmental Technology for Complex Trans-Media Pollution, Nankai University, Tianjin, 300071, China
| | - Yubin Liu
- Ministry of Education Key Laboratory of Pollution Processes and Environmental Criteria/Tianjin Key Laboratory of Environmental Technology for Complex Trans-Media Pollution, Nankai University, Tianjin, 300071, China
| | - Zhen Liu
- Ministry of Education Key Laboratory of Pollution Processes and Environmental Criteria/Tianjin Key Laboratory of Environmental Technology for Complex Trans-Media Pollution, Nankai University, Tianjin, 300071, China
| | - Lei Wang
- Ministry of Education Key Laboratory of Pollution Processes and Environmental Criteria/Tianjin Key Laboratory of Environmental Technology for Complex Trans-Media Pollution, Nankai University, Tianjin, 300071, China.
| | - Jian Pu
- Faculty of Information Networking for Innovation and Design, Toyo University, Tokyo, 115-0053, Japan
| | - Zhen Xu
- Tianjin Agricultural Environmental Protection Management Monitoring Station, Tianjin, 300061, China
| | - Hongwen Sun
- Ministry of Education Key Laboratory of Pollution Processes and Environmental Criteria/Tianjin Key Laboratory of Environmental Technology for Complex Trans-Media Pollution, Nankai University, Tianjin, 300071, China
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21
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Luo J, Wu L, Zhang Q, Wu Y, Fang F, Feng Q, Li C, Xue Z, Cao J. Review on the determination and distribution patterns of a widespread contaminant artificial sweetener in the environment. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2019; 26:19078-19096. [PMID: 31104241 DOI: 10.1007/s11356-019-05261-4] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/27/2018] [Accepted: 04/22/2019] [Indexed: 06/09/2023]
Abstract
The accurate determination of widespread artificial sweeteners (ASs) and the information of their distributions in environments are of significance to investigate the environmental behaviors. This paper firstly reviews the typical analytic methodologies for ASs and the main influencing factors during the analytic processes. Solid-phase extraction (SPE) with LC-ESI-MS is currently the leading-edge method. However, the efficiency and accuracy for ASs analysis in environmental samples are also dependent on the SPE cartridges, buffers and pH, matrix effects, and sample stability. A basic procedure for ASs determination in different environmental samples is proposed. The current occurrences of ASs in environments are then evaluated. The ASs, especially the acesulfame and sucralose, are widely detected in various environmental medium. The concentrations of investigated ASs are generally in the order of wastewater treatment plants (WWTPs) influent > WWTPs effluent > surface water > groundwater > drinking water; and atmosphere > soil. The ASs levels in the environment exhibit significant differences among different regions. Further analysis indicates that the phenomenon is highly correlated with the consumption patterns and the removal efficiency of WWTPs in a specific country.
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Affiliation(s)
- Jingyang Luo
- Key Laboratory of Integrated Regulation and Resource Development on Shallow Lakes, Ministry of Education, Hohai University, Nanjing, 210098, China.
- College of Environment, Hohai University, Nanjing, 210098, China.
| | - Lijuan Wu
- Jiangsu Provincial Academy of Environmental Science, Nanjing, 210098, China
| | - Qin Zhang
- Key Laboratory of Integrated Regulation and Resource Development on Shallow Lakes, Ministry of Education, Hohai University, Nanjing, 210098, China.
- College of Environment, Hohai University, Nanjing, 210098, China.
| | - Yang Wu
- Key Laboratory of Integrated Regulation and Resource Development on Shallow Lakes, Ministry of Education, Hohai University, Nanjing, 210098, China
- College of Environment, Hohai University, Nanjing, 210098, China
| | - Fang Fang
- Key Laboratory of Integrated Regulation and Resource Development on Shallow Lakes, Ministry of Education, Hohai University, Nanjing, 210098, China
- College of Environment, Hohai University, Nanjing, 210098, China
| | - Qian Feng
- Key Laboratory of Integrated Regulation and Resource Development on Shallow Lakes, Ministry of Education, Hohai University, Nanjing, 210098, China
- College of Environment, Hohai University, Nanjing, 210098, China
| | - Chao Li
- Key Laboratory of Integrated Regulation and Resource Development on Shallow Lakes, Ministry of Education, Hohai University, Nanjing, 210098, China
- College of Environment, Hohai University, Nanjing, 210098, China
| | - Zhaoxia Xue
- Key Laboratory of Integrated Regulation and Resource Development on Shallow Lakes, Ministry of Education, Hohai University, Nanjing, 210098, China
- College of Environment, Hohai University, Nanjing, 210098, China
| | - Jiashun Cao
- Key Laboratory of Integrated Regulation and Resource Development on Shallow Lakes, Ministry of Education, Hohai University, Nanjing, 210098, China
- College of Environment, Hohai University, Nanjing, 210098, China
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22
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Xia S, Yin D, Chen Y, Yang Z, Miao Y, Zhang W, Chen S, Zhao W, Zhang S. Simultaneous determination of three sulfanilamide artificial sweeteners in foodstuffs by capillary electrophoresis coupled with contactless conductivity detection based on porous aromatic frameworks enhanced solid phase extraction. CAN J CHEM 2019. [DOI: 10.1139/cjc-2018-0410] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
In this paper, a simple and easy method of solid phase extraction (SPE) followed by capillary electrophoresis (CE) with capacitively coupled contactless conductivity detection (C4D) is evaluated as a novel approach for the simultaneous determination of acesulfame-K (ACE), sodium saccharin (SAC), and sodium cyclamate (CYC) in foodstuffs without derivatization. To reduce the complex matrix interference resulting from the constituents of samples and enriched targets, porous aromatic frameworks (PAFs) enhanced SPE, a suitable sample pretreatment procedure, was introduced. Several factors affecting extraction efficiency and electrophoretic separation were investigated. Additionally, the interaction mechanisms between the host (PAF-6) and guests (ACE, SAC, and CYC) were studied. Under the optimum conditions, three sulfanilamide artificial sweeteners were baseline separated within 8 min, exhibiting a linear calibration over two orders of magnitude (R2 > 0.995). The limits of detection (LOD) and quantification (LOQ) were considered better than those usually obtained by CE with ultraviolet and C4D detection. The proposed SPE–CE–C4D method has been successfully applied to analyse beverage samples and candied fruits with recoveries in the range of 78.89%–92.00%.
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Affiliation(s)
- Shaige Xia
- College of Chemistry and Molecular Engineering, Kexue Road 100, Zhengzhou University, Zhengzhou 450001, P. R. China
| | - Dan Yin
- College of Chemistry and Molecular Engineering, Kexue Road 100, Zhengzhou University, Zhengzhou 450001, P. R. China
| | - Yanlong Chen
- College of Chemistry and Molecular Engineering, Kexue Road 100, Zhengzhou University, Zhengzhou 450001, P. R. China
| | - Zhicong Yang
- College of Chemistry and Molecular Engineering, Kexue Road 100, Zhengzhou University, Zhengzhou 450001, P. R. China
| | - Ying Miao
- College of Chemistry and Molecular Engineering, Kexue Road 100, Zhengzhou University, Zhengzhou 450001, P. R. China
| | - Wenfen Zhang
- College of Chemistry and Molecular Engineering, Kexue Road 100, Zhengzhou University, Zhengzhou 450001, P. R. China
| | - Sheng Chen
- Center for Advanced Analysis and Computational Science, Kexue Road 100, Zhengzhou University, Zhengzhou 450001, P. R. China
| | - Wuduo Zhao
- Center for Advanced Analysis and Computational Science, Kexue Road 100, Zhengzhou University, Zhengzhou 450001, P. R. China
| | - Shusheng Zhang
- College of Chemistry and Molecular Engineering, Kexue Road 100, Zhengzhou University, Zhengzhou 450001, P. R. China
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Praveena SM, Cheema MS, Guo HR. Non-nutritive artificial sweeteners as an emerging contaminant in environment: A global review and risks perspectives. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2019; 170:699-707. [PMID: 30580164 DOI: 10.1016/j.ecoenv.2018.12.048] [Citation(s) in RCA: 50] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/27/2018] [Revised: 12/03/2018] [Accepted: 12/16/2018] [Indexed: 06/09/2023]
Abstract
Generally, non-nutritive artificial sweeteners are widely utilized as sugar substitute in various applications. With various applications, non-nutritive artificial sweeteners are now being recognized as emerging contaminants with high water persistence and are chemically stable in environment. Although non-nutritive artificial sweeteners were documented on their occurrence in environment, yet their potential impacts to environment and human health remain ambiguous. Therefore, this review was prepared to provide a more comprehensive insight of non-nutritive artificial sweeteners in environment matrixes by highlighting special concerns on human health and environmental risks. Precisely, this review monitors the exploration of non-nutritive artificial sweeteners occurrences as an emerging contaminants in environment worldwide and their associated risks to human as well as environment. At present, there are a total of 24 non-nutritive artificial sweeteners' studies with regards to their occurrence in the environment from 38 locations globally, spanning across Europe including United Kingdoms, Canada, United States and Asia. Overall, the quantitative findings suggested that the occurrence of non-nutritive artificial sweeteners is present in surface water, tap water, groundwater, seawater, lakes and atmosphere. Among these environmental matrixes, surface water was found as the most studied matrix involving non-nutritive artificial sweeteners. However, findings on non-nutritive artificial sweeteners impacts on human health and environment are limited to understanding its overall potential impacts and risks. Additionally, this review also serves as a framework for future monitoring plans and environmental legislative to better control these emerging contaminants in environment.
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Affiliation(s)
- Sarva Mangala Praveena
- Department of Environmental and Occupational Health, Faculty of Medicine and Health Science, Universiti Putra Malaysia, UPM, 43400 Serdang, Selangor, Malaysia.
| | - Manraj Singh Cheema
- Department of Biomedical Sciences, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia.
| | - How-Ran Guo
- Department of Environmental and Occupational Health, College of Medicine, National Cheng Kung University, 138 Sheng-Li Road, Tainan 704, Taiwan.
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24
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Baena-Nogueras RM, Traverso-Soto JM, Biel-Maeso M, Villar-Navarro E, Lara-Martín PA. Sources and trends of artificial sweeteners in coastal waters in the bay of Cadiz (NE Atlantic). MARINE POLLUTION BULLETIN 2018; 135:607-616. [PMID: 30301079 DOI: 10.1016/j.marpolbul.2018.07.069] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/18/2018] [Revised: 07/21/2018] [Accepted: 07/24/2018] [Indexed: 05/21/2023]
Abstract
This is the first comprehensive study on the input, occurrence, and distribution of artificial sweeteners (ASs) in coastal wastewater treatment plants (WWTPs) and their receiving coastal waters. Acesulfame (ACE), aspartame (ASP), cyclamate (CYC), saccharine (SAC), and sucralose (SUC) were monitored for 6 months in Cadiz Bay (SW Spain). ASP was always detected at <0.1 μg L-1 and removal efficiencies were >90% for SAC and CYC. Higher ACE removal efficiencies were observed during warmer months. Persistence of ACE and SUC was observed in both WWTPs and their receiving coastal surface waters, where values up to 0.6 and 3 μg L-1 were measured, respectively. The highest concentrations were measured in a sewage-impacted estuary located in the north of the bay, where conservative behavior was confirmed. The source specificity and recalcitrance of ACE and SUC make them suitable for being used as sewage-pollution markers in coastal environments.
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Affiliation(s)
- Rosa María Baena-Nogueras
- Department of Physical Chemistry, Faculty of Marine and Environmental Sciences, Campus Rio San Pedro, University of Cadiz, CEI·MAR, Puerto Real, 11510 Cadiz, Spain
| | - Juan M Traverso-Soto
- Department of Physical Chemistry, Faculty of Marine and Environmental Sciences, Campus Rio San Pedro, University of Cadiz, CEI·MAR, Puerto Real, 11510 Cadiz, Spain
| | - Miriam Biel-Maeso
- Department of Physical Chemistry, Faculty of Marine and Environmental Sciences, Campus Rio San Pedro, University of Cadiz, CEI·MAR, Puerto Real, 11510 Cadiz, Spain
| | - Elena Villar-Navarro
- Department of Environmental Technologies, Marine Research Institute (INMAR), Campus Rio San Pedro, University of Cadiz, CEI·MAR, Puerto Real, 11510 Cadiz, Spain
| | - Pablo A Lara-Martín
- Department of Physical Chemistry, Faculty of Marine and Environmental Sciences, Campus Rio San Pedro, University of Cadiz, CEI·MAR, Puerto Real, 11510 Cadiz, Spain.
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25
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Lim HS, Choi E, Hwang JY, Lee G, Yun SS, Kim M. Improved method for the determination of 12 non-nutritive sweeteners and monitoring in various foods using liquid chromatography-tandem mass spectrometry. Food Addit Contam Part A Chem Anal Control Expo Risk Assess 2018; 35:1674-1688. [PMID: 29902385 DOI: 10.1080/19440049.2018.1486043] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
Abstract
An improved and highly sensitive method was developed and validated for the determination of 12 (7 permitted and 5 non-permitted in Korea) non-nutritive sweeteners in various foods using liquid chromatography-electrospray ionisation-tandem mass spectrometry. The chromatographic separation was performed on an Xbridge BEH C18 column (3 mm × 100 mm, 2.5 μm) with gradient elution using 10 mM ammonium acetate in water and 10 mM ammonium acetate in methanol. Sample preparation consisted of simple dilution, homogenisation, centrifugation and purification with a C18 cartridge prior to analysis. The relative matrix effect (%ME) was within ±20% for all sweeteners. The method also showed good linearity (R2 > 0.99). The limit of detection and limit of quantification values in sample were in the range of 0.02-2.66 and 0.06-8.05 mg kg-1, respectively. The recoveries at three concentration levels ranged between 80% and 119%, with relative standard deviation values below 10%. In addition, the expanded uncertainties determined for 12 sweeteners in 5 different food matrices were confirmed to be <14%. Finally, the method was successfully applied to the analysis of sweeteners in 681 food samples purchased in Korea, Australia and Turkey. These results demonstrate that the method is suitable for the simultaneous determination of multiple-sweeteners in a variety of foods.
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Affiliation(s)
- Ho Soo Lim
- a Food Additives and Packaging Division , National Institute of Food and Drug Safety Evaluation , Cheongju , Republic of Korea
| | - EunA Choi
- a Food Additives and Packaging Division , National Institute of Food and Drug Safety Evaluation , Cheongju , Republic of Korea
| | - Ju Young Hwang
- a Food Additives and Packaging Division , National Institute of Food and Drug Safety Evaluation , Cheongju , Republic of Korea
| | - Gunyoung Lee
- a Food Additives and Packaging Division , National Institute of Food and Drug Safety Evaluation , Cheongju , Republic of Korea
| | - Sang Soon Yun
- a Food Additives and Packaging Division , National Institute of Food and Drug Safety Evaluation , Cheongju , Republic of Korea
| | - MeeKyung Kim
- a Food Additives and Packaging Division , National Institute of Food and Drug Safety Evaluation , Cheongju , Republic of Korea
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26
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Li S, Geng J, Wu G, Gao X, Fu Y, Ren H. Removal of artificial sweeteners and their effects on microbial communities in sequencing batch reactors. Sci Rep 2018; 8:3399. [PMID: 29467367 PMCID: PMC5821853 DOI: 10.1038/s41598-018-21564-x] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2017] [Accepted: 02/06/2018] [Indexed: 01/22/2023] Open
Abstract
Concern is growing over contamination of the environment with artificial sweeteners (ASWs) because of their widespread existence in wastewater treatment plants (WWTPs). To evaluate ASWs removal and the effect on activated sludge, acesulfame (ACE), sucralose (SUC), cyclamate (CYC) and saccharin (SAC) were introduced individually or in mixture to sequencing batch reactors (SBRs) in environmentally relevant concentrations (100 ppb) for 100 days. Comparisons between ACE removal in a full-scale WWTP and in lab-scale SBRs were conducted. Results showed that CYC and SAC were completely removed, whereas SUC was persistent. However, ACE removal in lab-scale SBRs was significantly greater than in the full-scale WWTP. In SBRs, chemical oxygen demand (COD), ammonia nitrogen (NH4+-N) and total nitrogen (TN) removal appeared unchanged after adding ASWs (p > 0.05). Adenosine triphosphate (ATP) concentrations and triphenyl tetrazolium chloride-dehydrogenase activity (TTC-DHA) declined significantly (p < 0.05). The mixed ASWs had more evident effects than the individual ASWs. Microbial community analyses revealed that Proteobacteria decreased obviously, while Bacteroidetes, Chloroflexi and Actinobacteria were enriched with the addition of ASWs. Redundancy Analysis (RDA) indicated ACE had a greater impact on activated sludge than the other ASWs.
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Affiliation(s)
- Shaoli Li
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing, 210023, P.R. China
| | - Jinju Geng
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing, 210023, P.R. China.
| | - Gang Wu
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing, 210023, P.R. China
| | - Xingsheng Gao
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing, 210023, P.R. China
| | - Yingying Fu
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing, 210023, P.R. China
| | - Hongqiang Ren
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing, 210023, P.R. China
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27
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Li S, Ren Y, Fu Y, Gao X, Jiang C, Wu G, Ren H, Geng J. Fate of artificial sweeteners through wastewater treatment plants and water treatment processes. PLoS One 2018; 13:e0189867. [PMID: 29293534 PMCID: PMC5749728 DOI: 10.1371/journal.pone.0189867] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2017] [Accepted: 12/04/2017] [Indexed: 11/22/2022] Open
Abstract
Five full-scale wastewater treatment plants (WWTPs) in China using typical biodegradation processes (SBR, oxidation ditch, A2/O) were selected to assess the removal of four popular artificial sweeteners (ASs). All four ASs (acesulfame (ACE), sucralose (SUC), cyclamate (CYC) and saccharin (SAC)) were detected, ranging from 0.43 to 27.34μg/L in the influent. Higher concentrations of ASs were measured in winter. ACE could be partly removed by 7.11–50.76% through biodegradation and especially through the denitrifying process. The A2/O process was the most efficient at biodegrading ASs. Adsorption (by granular activated carbon (GAC) and magnetic resin) and ultraviolet radiation-based advanced oxidation processes (UV/AOPs) were evaluated to remove ASs in laboratory-scale tests. The amounts of resin adsorbed were 3.33–18.51 times more than those of GAC except for SUC. The adsorption ability of resin decreased in the order of SAC > ACE > CYC > SUC in accordance with the pKa. Degradation of ASs followed pseudo-first-order kinetics in UV/H2O2 and UV/PDS. When applied to the secondary effluent, ASs could be degraded from 30.87 to 99.93% using UV/PDS in 30 minutes and UV/PDS was more efficient and economic.
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Affiliation(s)
- Shaoli Li
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Jiangsu, PR of China
| | - Yuhang Ren
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Jiangsu, PR of China
| | - Yingying Fu
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Jiangsu, PR of China
| | - Xingsheng Gao
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Jiangsu, PR of China
| | - Cong Jiang
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Jiangsu, PR of China
| | - Gang Wu
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Jiangsu, PR of China
| | - Hongqiang Ren
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Jiangsu, PR of China
| | - Jinju Geng
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Jiangsu, PR of China
- * E-mail:
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28
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Ma L, Liu Y, Xu J, Sun H, Chen H, Yao Y, Zhang P, Shen F, Alder AC. Mass loading of typical artificial sweeteners in a pig farm and their dissipation and uptake by plants in neighboring farmland. THE SCIENCE OF THE TOTAL ENVIRONMENT 2017; 605-606:735-744. [PMID: 28675883 DOI: 10.1016/j.scitotenv.2017.06.027] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/06/2017] [Revised: 05/28/2017] [Accepted: 06/03/2017] [Indexed: 06/07/2023]
Abstract
Pig farm is an important potential source for artificial sweeteners (ASs) in the environment due to their wide use as additives in pig feed. The objective of this study was to evaluate the fate of typical ASs in pig farm and neighboring farmland. For this purpose, the levels of four typical artificial ASs, i.e. saccharin (SAC), cyclamate (CYC), acesulfame (ACE) and sucralose (SUC), in pig feed and manure from a pig farm and water samples from an on-farm wastewater treatment plant (WWTP) in Tianjin, China were measured and the mass loadings and removal efficiencies were assessed. Moreover, the levels of ASs in different layers of soil and vegetables in neighboring farmland that received manure fertilizers and wastewater from the farm were consecutively monitored for 60-80days. The SAC, CYC and ACE were widely determined in all kinds of the samples, while SUC was only found in few soil samples. The mass loadings of the ASs in pig feed were estimated up to 311kg/year for SAC, 59.1kg/year for CYC, and 17.1kg/year for ACE, respectively. The fractions of the total mass of ASs excreted via manure were estimated to be 36.0% for SAC, 59.4% for CYC, and 36.7% for ACE as compared to those in pig feed. High removal efficiencies (>90%) of ASs in the on-farm WWTP was achieved. In greenhouse soils, CYC, SAC, ACE, and SUC were degraded quickly, with half-lives of 4.3-5.9 d, 2.7-4.2 d, 8.4-12.3 d, and 7.3-10.8 d, respectively. Lower levels of ASs were found in deeper soil layer (20-30cm). The ASs were considerably absorbed by plants when the ASs' concentrations were high in soil. This study presents the first comprehensive overview of ASs fate from a pig farm to the neighboring agricultural ecosystem.
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Affiliation(s)
- Ling Ma
- MOE Key Laboratory of Pollution Processes and Environmental Criteria, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China
| | - Yarui Liu
- College of Resources and Environmental Sciences, China Agricultural University, Beijing 100193, China
| | - Jiayao Xu
- MOE Key Laboratory of Pollution Processes and Environmental Criteria, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China
| | - Hongwen Sun
- MOE Key Laboratory of Pollution Processes and Environmental Criteria, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China.
| | - Hao Chen
- MOE Key Laboratory of Pollution Processes and Environmental Criteria, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China
| | - Yiming Yao
- MOE Key Laboratory of Pollution Processes and Environmental Criteria, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China
| | - Peng Zhang
- MOE Key Laboratory of Pollution Processes and Environmental Criteria, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China
| | - Fengju Shen
- Agro-Environmental Protection Institute, Ministry of Agriculture, Tianjin 300191, China
| | - Aldredo C Alder
- MOE Key Laboratory of Pollution Processes and Environmental Criteria, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China
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29
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Castronovo S, Wick A, Scheurer M, Nödler K, Schulz M, Ternes TA. Biodegradation of the artificial sweetener acesulfame in biological wastewater treatment and sandfilters. WATER RESEARCH 2017; 110:342-353. [PMID: 28063296 PMCID: PMC5292994 DOI: 10.1016/j.watres.2016.11.041] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/14/2016] [Revised: 11/11/2016] [Accepted: 11/12/2016] [Indexed: 05/21/2023]
Abstract
A considerable removal of the artificial sweetener acesulfame (ACE) was observed during activated sludge processes at 13 wastewater treatment plants (WWTPs) as well as in a full-scale sand filter of a water works. A long-term sampling campaign over a period of almost two years revealed that ACE removal in WWTPs can be highly variable over time. Nitrifying/denitrifying sequencing batch reactors (SBR) as well as aerobic batch experiments with activated sludge and filter sand from a water works confirmed that both activated sludge as well as filter sand can efficiently remove ACE and that the removal can be attributed to biologically mediated degradation processes. The lab results strongly indicated that varying ACE removal in WWTPs is not associated with nitrification processes. Neither an enhancement of the nitrification rate nor the availability of ammonium or the inhibition of ammonium monooxygenase by N-allylthiourea (ATU) affected the degradation. Moreover, ACE was found to be also degradable by activated sludge under denitrifying conditions, while being persistent in the absence of both dissolved oxygen and nitrate. Using ion chromatography coupled with high resolution mass spectrometry, sulfamic acid (SA) was identified as the predominant transformation product (TP). Quantitative analysis of ACE and SA revealed a closed mass balance during the entire test period and confirmed that ACE was quantitatively transformed to SA. Measurements of dissolved organic carbon (DOC) revealed an almost complete removal of the carbon originating from ACE, thereby further confirming that SA is the only relevant final TP in the assumed degradation pathway of ACE. A first analysis of SA in three municipal WWTP revealed similar concentrations in influents and effluents with maximum concentrations of up to 2.3 mg/L. The high concentrations of SA in wastewater are in accordance with the extensive use of SA in acid cleaners, while the degradation of ACE in WWTPs adds only a very small portion of the total load of SA discharged into surface waters. No removal of SA was observed by the biological treatment applied at these WWTPs. Moreover, SA was also stable in the aerobic batch experiments conducted with the filter sand from a water works. Hence, SA might be a more appropriate wastewater tracer than ACE due to its chemical and microbiological persistence, the negligible sorbing affinity (high negative charge density) and its elevated concentrations in WWTP effluents.
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Affiliation(s)
- Sandro Castronovo
- Federal Institute of Hydrology, Am Mainzer Tor 1, 56068 Koblenz, Germany
| | - Arne Wick
- Federal Institute of Hydrology, Am Mainzer Tor 1, 56068 Koblenz, Germany
| | - Marco Scheurer
- DVGW Water Technology Center Karlsruhe (TZW), Department of Analyses and Water Quality, Karlsruher Str. 84, D-76139 Karlsruhe, Germany
| | - Karsten Nödler
- DVGW Water Technology Center Karlsruhe (TZW), Department of Analyses and Water Quality, Karlsruher Str. 84, D-76139 Karlsruhe, Germany
| | - Manoj Schulz
- Federal Institute of Hydrology, Am Mainzer Tor 1, 56068 Koblenz, Germany
| | - Thomas A Ternes
- Federal Institute of Hydrology, Am Mainzer Tor 1, 56068 Koblenz, Germany.
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30
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Recent Advances in the Use of Chemical Markers for Tracing Wastewater Contamination in Aquatic Environment: A Review. WATER 2017. [DOI: 10.3390/w9020143] [Citation(s) in RCA: 50] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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31
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Ren Y, Geng J, Li F, Ren H, Ding L, Xu K. The oxidative stress in the liver of Carassius auratus exposed to acesulfame and its UV irradiance products. THE SCIENCE OF THE TOTAL ENVIRONMENT 2016; 571:755-762. [PMID: 27443459 DOI: 10.1016/j.scitotenv.2016.07.047] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/15/2016] [Revised: 07/04/2016] [Accepted: 07/06/2016] [Indexed: 06/06/2023]
Abstract
Acesulfame (ACE) is listed as an emerging contaminant due to its environmental persistence and wide occurrence in the environment. ACE can be degraded partially in the regular UV disinfection process but the eco-toxicity of its irradiation products remains unclear. This study focused on the possible oxidative status change in the liver of Carassius auratus exposed to ACE and its irradiation products. The UV degradation of ACE follows pseudo-first-order kinetics, and eight irradiation products were identified. Fish were exposed 7days to 0.1 and 10mg/L ACE (ACE group) and ACE after UV irradiance (ACE-UV group). The oxidative stress in fish liver exposed to ACE group had no distinct change. However, in the ACE-UV group, the quantity of OH was induced by 17.96-55% and the MDA content increased by 16.28-68.28% compared to control. Time-effect exposure in the ACE-UV group showed that in the first 3days the quantity of OH reached its peak, causing severe inhibition of SOD and continuous inducement of GPx. GSH helped scavenge OH and decreased below control after 3days. An increased toxicity of ACE after UV irradiance was observed and its transfer after into aquatic environment needs to be recognized as an environmental risk.
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Affiliation(s)
- Yuhang Ren
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, People's Republic of China
| | - Jinju Geng
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, People's Republic of China.
| | - Fuchang Li
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, People's Republic of China
| | - Hongqiang Ren
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, People's Republic of China
| | - Lili Ding
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, People's Republic of China
| | - Ke Xu
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, People's Republic of China
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32
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Andrade-Eiroa A, Canle M, Leroy-Cancellieri V, Cerdà V. Solid-phase extraction of organic compounds: A critical review. part ii. Trends Analyt Chem 2016. [DOI: 10.1016/j.trac.2015.08.014] [Citation(s) in RCA: 171] [Impact Index Per Article: 21.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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33
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Hu H, Deng Y, Fan Y, Zhang P, Sun H, Gan Z, Zhu H, Yao Y. Effects of artificial sweeteners on metal bioconcentration and toxicity on a green algae Scenedesmus obliquus. CHEMOSPHERE 2016; 150:285-293. [PMID: 26915590 DOI: 10.1016/j.chemosphere.2016.02.043] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/01/2015] [Revised: 01/09/2016] [Accepted: 02/09/2016] [Indexed: 06/05/2023]
Abstract
The ecotoxicity of heavy metals depends much on their speciation, which is influenced by other co-existing substances having chelating capacity. In the present study, the toxic effects of Cd(2+) and Cu(2+) on a green algae Scenedesmus obliquus were examined in the presence of two artificial sweeteners (ASs), acesulfame (ACE) and sucralose (SUC) by comparing the cell specific growth rate μ and pulse-amplitude-modulated (PAM) parameters (maximal photosystem II photochemical efficiency Fv/Fm, actual photochemical efficiency Yield, and non-photochemical quenching NPQ) of the algae over a 96-h period. Simultaneously, the bioconcentration of the metals by the algal cells in the presence of the ASs was measured. The presence of ACE enhanced the growth of S. obliquus and promoted the bioconcentration of Cd(2+) in S. obliquus, while the impacts of SUC were not significant. Meanwhile, EC50 values of Cd(2+) on the growth of S. obliquus increased from 0.42 mg/L to 0.54 mg/L and 0.48 mg/L with the addition of 1.0 mg/L ACE and SUC, respectively. As for Cu(2+), EC50 values increased from 0.13 mg/L to 0.17 mg/L and 0.15 mg/L with the addition of 1.0 mg/L ACE and SUC, respectively. In summary, the two ASs reduced the toxicity of the metals on the algae, with ACE showing greater effect than SUC. Although not as sensitive as the cell specific growth rate, PAM parameters could disclose the mechanisms involved in metal toxicity at subcellular levels. This study provides the first evidence for the possible impact of ASs on the ecotoxicity of heavy metals.
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Affiliation(s)
- Hongwei Hu
- MOE Key Laboratory of Pollution Processes and Environmental Criteria, College of Environmental Science and Engineering, Nankai University, Tianjin 300071, China
| | - Yuanyuan Deng
- MOE Key Laboratory of Pollution Processes and Environmental Criteria, College of Environmental Science and Engineering, Nankai University, Tianjin 300071, China
| | - Yunfei Fan
- MOE Key Laboratory of Pollution Processes and Environmental Criteria, College of Environmental Science and Engineering, Nankai University, Tianjin 300071, China
| | - Pengfei Zhang
- MOE Key Laboratory of Pollution Processes and Environmental Criteria, College of Environmental Science and Engineering, Nankai University, Tianjin 300071, China
| | - Hongwen Sun
- MOE Key Laboratory of Pollution Processes and Environmental Criteria, College of Environmental Science and Engineering, Nankai University, Tianjin 300071, China.
| | - Zhiwei Gan
- MOE Key Laboratory of Pollution Processes and Environmental Criteria, College of Environmental Science and Engineering, Nankai University, Tianjin 300071, China
| | - Hongkai Zhu
- MOE Key Laboratory of Pollution Processes and Environmental Criteria, College of Environmental Science and Engineering, Nankai University, Tianjin 300071, China
| | - Yiming Yao
- MOE Key Laboratory of Pollution Processes and Environmental Criteria, College of Environmental Science and Engineering, Nankai University, Tianjin 300071, China
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GUI JY, SUN W, ZHANG CL, ZHANG YT, ZHANG L, LIU F. An Innovative Approach to Sensitive Artificial Sweeteners Analysis by Ion Chromatography-Triple Quadrupole Mass Spectrometry. CHINESE JOURNAL OF ANALYTICAL CHEMISTRY 2016. [DOI: 10.1016/s1872-2040(16)60914-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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35
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Bathinapatla A, Kanchi S, Singh P, Sabela MI, Bisetty K. Fabrication of copper nanoparticles decorated multiwalled carbon nanotubes as a high performance electrochemical sensor for the detection of neotame. Biosens Bioelectron 2015; 67:200-7. [DOI: 10.1016/j.bios.2014.08.017] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2014] [Revised: 07/25/2014] [Accepted: 08/04/2014] [Indexed: 10/24/2022]
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36
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Arbeláez P, Borrull F, Pocurull E, Marcé RM. Determination of high-intensity sweeteners in river water and wastewater by solid-phase extraction and liquid chromatography-tandem mass spectrometry. J Chromatogr A 2015; 1393:106-14. [PMID: 25840659 DOI: 10.1016/j.chroma.2015.03.035] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2014] [Revised: 03/12/2015] [Accepted: 03/15/2015] [Indexed: 11/18/2022]
Abstract
High-intensity sweeteners have been suggested as potential organic contaminants due to their widespread use in food, drugs and sanitary products. As a consequence, they are introduced into the environment by different pathways, affecting aquatic life. In this study, a method based on solid-phase extraction (SPE) and liquid chromatography-tandem mass spectrometry (LC-MS-MS) has been developed and validated for the determination of eight sweeteners (saccharin, cyclamate, aspartame, acesulfame, neohesperidin dihydrochalcone, sucralose, stevioside and glycyrrhizic acid) in river water and wastewater. To get the maximum recoveries in SPE, several commercial sorbents were tested and Oasis HLB gave the best results, with recoveries higher than 41% for all of the compounds in the different matrices. Method limits of detection were in the range of 0.001-0.04μg/L in river water and 0.01-0.5μg/L in influent and effluent wastewater. Method reproducibility between days (n=5) was below 15% for all compounds. The method was applied to the determination of sweeteners in various river waters and wastewaters in Catalonia. Cyclamate, aspartame, neohesperidin dihydrochalcone, acesulfame and sucralose were found in river water, with the two last compounds being present at the highest values (1.62μg/L for acesulfame and 3.57μg/L for sucralose). In influent and effluent wastewater, all of the compounds were found at concentration levels ranging from 0.05 to 155μg/L except for stevioside and neohesperidin dihydrochalcone, which were not detected.
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Affiliation(s)
- Paula Arbeláez
- Department of Analytical Chemistry and Organic Chemistry, Universitat Rovira i Virgili, Marcel-lí Domingo s/n, Campus Sescelades, Tarragona 43007, Spain
| | - Francesc Borrull
- Department of Analytical Chemistry and Organic Chemistry, Universitat Rovira i Virgili, Marcel-lí Domingo s/n, Campus Sescelades, Tarragona 43007, Spain
| | - Eva Pocurull
- Department of Analytical Chemistry and Organic Chemistry, Universitat Rovira i Virgili, Marcel-lí Domingo s/n, Campus Sescelades, Tarragona 43007, Spain.
| | - Rosa Maria Marcé
- Department of Analytical Chemistry and Organic Chemistry, Universitat Rovira i Virgili, Marcel-lí Domingo s/n, Campus Sescelades, Tarragona 43007, Spain
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37
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Determination of eight artificial sweeteners and common Stevia rebaudiana glycosides in non-alcoholic and alcoholic beverages by reversed-phase liquid chromatography coupled with tandem mass spectrometry. Anal Bioanal Chem 2014; 407:1505-12. [PMID: 25471292 PMCID: PMC4318983 DOI: 10.1007/s00216-014-8355-x] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2014] [Revised: 11/12/2014] [Accepted: 11/17/2014] [Indexed: 10/26/2022]
Abstract
The method for the determination of acesulfame-K, saccharine, cyclamate, aspartame, sucralose, alitame, neohesperidin dihydrochalcone, neotame and five common steviol glycosides (rebaudioside A, rebaudioside C, steviol, steviolbioside and stevioside) in soft and alcoholic beverages was developed using high-performance liquid chromatography and tandem mass spectrometry with electrospray ionisation (HPLC-ESI-MS/MS). To the best of our knowledge, this is the first work that presents an HPLC-ESI-MS/MS method which allows for the simultaneous determination of all EU-authorised high-potency sweeteners (thaumatin being the only exception) in one analytical run. The minimalistic sample preparation procedure consisted of only two operations; dilution and centrifugation. Linearity, limits of detection and quantitation, repeatability, and trueness of the method were evaluated. The obtained recoveries at three tested concentration levels varied from 97.0 to 105.7%, with relative standard deviations lower than 4.1%. The proposed method was successfully applied for the determination of sweeteners in 24 samples of different soft and alcoholic drinks.
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38
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Salas D, Borrull F, Fontanals N, Marcé RM. Hydrophilic interaction liquid chromatography coupled to high-resolution mass spectrometry to determine artificial sweeteners in environmental waters. Anal Bioanal Chem 2014; 407:4277-85. [DOI: 10.1007/s00216-014-8330-6] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2014] [Revised: 11/04/2014] [Accepted: 11/06/2014] [Indexed: 10/24/2022]
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39
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Gan Z, Sun H, Wang R, Hu H, Zhang P, Ren X. Transformation of acesulfame in water under natural sunlight: joint effect of photolysis and biodegradation. WATER RESEARCH 2014; 64:113-122. [PMID: 25046375 DOI: 10.1016/j.watres.2014.07.002] [Citation(s) in RCA: 52] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/05/2014] [Revised: 06/30/2014] [Accepted: 07/01/2014] [Indexed: 06/03/2023]
Abstract
The transformation of acesulfame in water under environmentally relevant conditions, including direct and indirect photolysis, biodegradation, and hydrolysis, was systematically evaluated. Under natural sunlight, both direct and indirect photolysis of acesulfame were negligible in sterilized systems at neutral or alkaline pH, whereas direct photolysis occurred at pH of 4 with a rate constant of 0.0355 d(-1) in deionized water. No significant reduction in acesulfame contents was found in the dark controls or in the incubation experiments, indicating acesulfame was resistant to hydrolysis and biodegradation. In unsterilized systems, photolysis was substantially enhanced, implying that there was a joint effect of photolysis and biodegradation or that the sterilization process had the secondary effect of inactivating some photosensitizers. The near-surface summer half-life of acesulfame in the water from the Haihe River was 9 d. Specific experiments revealed the involvement of (1)O2/(3)DOM* in acesulfame photolysis, whereas OH exhibited only a slight contribution in the presence of DOM or bicarbonate. As indicated by the total organic carbon data, no significant mineralization occurred in both sterilized and unsterilized systems after acesulfame was irradiated under simulated sunlight for 7 d, suggesting the generation of persistent intermediates. Finally, major degradation intermediates were analyzed, and the degradation pathways of acesulfame under environmentally relevant conditions were proposed for the first time.
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Affiliation(s)
- Zhiwei Gan
- MOE Key Laboratory of Pollution Processes and Environmental Criteria, College of Environmental Science and Engineering, Nankai University, Tianjin 300071, China
| | - Hongwen Sun
- MOE Key Laboratory of Pollution Processes and Environmental Criteria, College of Environmental Science and Engineering, Nankai University, Tianjin 300071, China.
| | - Ruonan Wang
- MOE Key Laboratory of Pollution Processes and Environmental Criteria, College of Environmental Science and Engineering, Nankai University, Tianjin 300071, China
| | - Hongwei Hu
- MOE Key Laboratory of Pollution Processes and Environmental Criteria, College of Environmental Science and Engineering, Nankai University, Tianjin 300071, China
| | - Pengfei Zhang
- MOE Key Laboratory of Pollution Processes and Environmental Criteria, College of Environmental Science and Engineering, Nankai University, Tianjin 300071, China
| | - Xinhao Ren
- MOE Key Laboratory of Pollution Processes and Environmental Criteria, College of Environmental Science and Engineering, Nankai University, Tianjin 300071, China
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40
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Bathinapatla A, Kanchi S, Singh P, Sabela MI, Bisetty K. Determination of Neotame by High-Performance Capillary Electrophoresis Using ß-cyclodextrin as a Chiral Selector. ANAL LETT 2014. [DOI: 10.1080/00032719.2014.924008] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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41
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Qin X, Zhang T, Gan Z, Sun H. Spatial distribution of perchlorate, iodide and thiocyanate in the aquatic environment of Tianjin, China: environmental source analysis. CHEMOSPHERE 2014; 111:201-208. [PMID: 24997919 DOI: 10.1016/j.chemosphere.2014.03.082] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/08/2014] [Revised: 03/27/2014] [Accepted: 03/30/2014] [Indexed: 06/03/2023]
Abstract
Although China is the largest producer of fireworks (perchlorate-containing products) in the world, the pathways through which perchlorate enters the environment have not been characterized completely in this country. In this study, perchlorate, iodide and thiocyanate were measured in 101 water samples, including waste water, surface water, sea water and paired samples of rain water and surface runoff collected in Tianjin, China. The concentrations of the target anions were generally on the order of rain>surface water≈waste water treatment plant (WWTP) influent>WWTP effluent. High concentrations of perchlorate, iodide and thiocyanate were detected in rain samples, ranging from 0.35 to 27.3 (median: 4.05), 0.51 to 8.33 (2.92), and 1.31 to 107 (5.62) ngmL(-)(1), respectively. Furthermore, the concentrations of the target anions in rain samples were significantly (r=0.596-0.750, p<0.01) positively correlated with the concentrations obtained in the paired surface runoff samples. The anions tested showed a clear spatial distribution, and higher concentrations were observed in the upper reaches of rivers, sea waters near the coast, and rain-surface runoff pairs sampled in urban areas. Our results revealed that precipitation may act as an important source of perchlorate, iodide and thiocyanate in surface water. Moreover, iodide concentrations in the Haihe River and Dagu Drainage Canal showed a good correlation with an ideal marker (acesulfame) of domestic waste water, indicating that input from domestic waste water was an important source of iodide in the surface waters of Tianjin.
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Affiliation(s)
- Xiaolei Qin
- College of Environmental Sciences and Engineering, Nankai University, Tianjin 300071, China; Ministry of Education Key Laboratory of Pollution Processes and Environmental Criteria, Nankai University, Tianjin 300071, China
| | - Tao Zhang
- School of Environmental Science and Engineering, Sun Yat-Sen University, Guangzhou 510275, China; Guangdong Provincial Key Laboratory of Environmental Pollution Control and Remediation Technology, Sun Yat-Sen University, Guangzhou 510275, China.
| | - Zhiwei Gan
- College of Environmental Sciences and Engineering, Nankai University, Tianjin 300071, China; Ministry of Education Key Laboratory of Pollution Processes and Environmental Criteria, Nankai University, Tianjin 300071, China
| | - Hongwen Sun
- College of Environmental Sciences and Engineering, Nankai University, Tianjin 300071, China; Ministry of Education Key Laboratory of Pollution Processes and Environmental Criteria, Nankai University, Tianjin 300071, China.
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42
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Chang CS, Yeh TS. Detection of 10 sweeteners in various foods by liquid chromatography/tandem mass spectrometry. J Food Drug Anal 2014; 22:318-328. [PMID: 28911421 PMCID: PMC9354869 DOI: 10.1016/j.jfda.2014.01.024] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2013] [Revised: 10/29/2013] [Accepted: 12/27/2013] [Indexed: 11/30/2022] Open
Abstract
The analytical method for sweeteners in various food matrixes is very important for food quality control and regulation enforcement. A simple and rapid method for the simultaneous determination of 10 sweeteners [acesulfame potassium (ACS-K), aspartame (ASP), cyclamate (CYC), dulcin (DUL), glycyrrhizic acid (GA), neotame (NEO), neohesperidin dihydrochalcone (NHDC), saccharin (SAC), sucralose (SCL), and stevioside (STV)] in various foods by liquid chromatography/tandem mass chromatography (LC-MS/MS) was developed. The chromatographic separation was performed on a Phenomenex Luna Phenyl-Hexyl (5 μm, 4.6 mm × 150 mm) column with gradient elution of 10 mM ammonium acetate in water and 10 mM ammonium acetate in methanol. The recoveries of the 10 sweeteners were between 75% and 120%, and the coefficients of variation were less than 20%. The limits of quantification were 0.5 μg/kg for NHDC and SCL. For the other sweeteners, the limits of quantification were 0.1 μg/kg. Compared to the traditional high-performance liquid chromatography method, the LC-MS/MS method could provide better sensitivity, higher throughput, enhanced specificity, and more sweeteners analyzed in a single run. The samples included 27 beverages (16 alcoholic and 11 nonalcoholic beverages) and 15 pickled foods (1 pickled pepper, 3 candies, and 11 candied fruits). Two remanufactured wines were found to contain 7.2, 8.5 μg/g SAC and 126.5, 123 μg/g CYC, respectively. ACS-K, ASP, SCL, and NEO were detected in five beverages and drinks. The pickled peppers and candied fruits were found to contain SAC, GA, CYC, ASP, STV, NEO, and ACS-K. The wine with sweeteners detected was remanufactured wine, not naturally fermented wine. Therefore, the ingredient label for the sweeteners of remanufactured wine should be regulated by the proper authority for inspection of sweeteners.
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Affiliation(s)
- Chui-Shiang Chang
- Public Health Bureau, Pingtung County Government, Pingtung, Taiwan, ROC
| | - Tai Sheng Yeh
- Department of Food Science and Nutrition, Meiho University, Neipu Township, Pingtung, Taiwan, ROC.
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43
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Gan Z, Sun H, Yao Y, Zhao Y, Li Y, Zhang Y, Hu H, Wang R. Distribution of artificial sweeteners in dust and soil in China and their seasonal variations in the environment of Tianjin. THE SCIENCE OF THE TOTAL ENVIRONMENT 2014; 488-489:168-175. [PMID: 24830929 DOI: 10.1016/j.scitotenv.2014.04.084] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/17/2014] [Revised: 04/10/2014] [Accepted: 04/22/2014] [Indexed: 06/03/2023]
Abstract
A nationwide investigation on the occurrence of artificial sweeteners (ASs) was conducted by collecting 98 paired outdoor dust and soil samples from mainland China. The ASs were widely detected in Chinese atmospheric dry deposition and soil samples, at concentrations up to 6450 and 1280 ng/g, respectively. To give a picture on AS distribution and source in the whole environment, the concentrations and seasonal variations of ASs in Tianjin were studied, including atmosphere, soil, and water samples. The AS levels were significantly higher in Haihe river at TJW (a sampling site in central city) in winter, while no obviously seasonal trends were obtained at BYL (close to a AS factory) and the site at a wastewater treatment plant. Saccharin, cyclamate, and acesulfame were the dominant ASs in both gas and particulate phase, with concentrations varying from 0.02 to 1940 pg/m(3). Generally, gas phase concentrations of the ASs were relatively higher in summer, while opposite results were acquired for particulate phase. Wet and dry deposition fluxes were calculated based on the measured AS levels. The results indicated that both wet and dry deposition could efficiently remove ASs in the atmosphere and act as important pollutant sources for the ASs in surface environment.
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Affiliation(s)
- Zhiwei Gan
- MOE Key Laboratory of Pollution Processes and Environmental Criteria, College of Environmental Science and Engineering, Nankai University, Tianjin 300071, China
| | - Hongwen Sun
- MOE Key Laboratory of Pollution Processes and Environmental Criteria, College of Environmental Science and Engineering, Nankai University, Tianjin 300071, China.
| | - Yiming Yao
- MOE Key Laboratory of Pollution Processes and Environmental Criteria, College of Environmental Science and Engineering, Nankai University, Tianjin 300071, China
| | - Yangyang Zhao
- MOE Key Laboratory of Pollution Processes and Environmental Criteria, College of Environmental Science and Engineering, Nankai University, Tianjin 300071, China
| | - Yan Li
- MOE Key Laboratory of Pollution Processes and Environmental Criteria, College of Environmental Science and Engineering, Nankai University, Tianjin 300071, China
| | - Yanwei Zhang
- MOE Key Laboratory of Pollution Processes and Environmental Criteria, College of Environmental Science and Engineering, Nankai University, Tianjin 300071, China
| | - Hongwei Hu
- MOE Key Laboratory of Pollution Processes and Environmental Criteria, College of Environmental Science and Engineering, Nankai University, Tianjin 300071, China
| | - Ruonan Wang
- MOE Key Laboratory of Pollution Processes and Environmental Criteria, College of Environmental Science and Engineering, Nankai University, Tianjin 300071, China
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Wu M, Qian Y, Boyd JM, Hrudey SE, Le XC, Li XF. Direct large volume injection ultra-high performance liquid chromatography-tandem mass spectrometry determination of artificial sweeteners sucralose and acesulfame in well water. J Chromatogr A 2014; 1359:156-61. [PMID: 25085815 DOI: 10.1016/j.chroma.2014.07.035] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2014] [Revised: 06/17/2014] [Accepted: 07/14/2014] [Indexed: 11/17/2022]
Abstract
Acesulfame (ACE) and sucralose (SUC) have become recognized as ideal domestic wastewater contamination indicators. Liquid chromatography-electrospray ionization mass spectrometry (LC-ESI-MS) analysis is commonly used; however, the sensitivity of SUC is more than two orders of magnitude lower than that of ACE, limiting the routine monitoring of SUC. To address this issue, we examined the ESI behavior of both ACE and SUC under various conditions. ACE is ionic in aqueous solution and efficiently produces simple [M-H](-) ions, but SUC produces multiple adduct ions, limiting its sensitivity. The formic acid (FA) adducts of SUC [M+HCOO](-) are sensitively and reproducibly generated under the LC-MS conditions. When [M+HCOO](-) is used as the precursor ion for SUC detection, the sensitivity increases approximately 20-fold compared to when [M-H](-) is the precursor ion. To further improve the limit of detection (LOD), we integrated the large volume injection approach (500μL injection) with ultra-high performance liquid chromatography-tandem mass spectrometry (UHPLC-MS/MS), which reduced the method detection limit (MDL) to 0.2ng/L for ACE and 5ng/L for SUC. To demonstrate the applicability of this method, we analyzed 100 well water samples collected in Alberta. ACE was detected in 24 wells at concentrations of 1-1534ng/L and SUC in 8 wells at concentrations of 65-541ng/L. These results suggest that wastewater is the most likely source of ACE and SUC impacts in these wells, suggesting the need for monitoring the quality of domestic well water.
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Affiliation(s)
- Minghuo Wu
- Division of Analytical and Environmental Toxicology, Department of Laboratory Medicine and Pathology, University of Alberta, Edmonton, AB, Canada T6G 2G3
| | - Yichao Qian
- Division of Analytical and Environmental Toxicology, Department of Laboratory Medicine and Pathology, University of Alberta, Edmonton, AB, Canada T6G 2G3
| | - Jessica M Boyd
- Division of Analytical and Environmental Toxicology, Department of Laboratory Medicine and Pathology, University of Alberta, Edmonton, AB, Canada T6G 2G3
| | - Steve E Hrudey
- Division of Analytical and Environmental Toxicology, Department of Laboratory Medicine and Pathology, University of Alberta, Edmonton, AB, Canada T6G 2G3
| | - X Chris Le
- Division of Analytical and Environmental Toxicology, Department of Laboratory Medicine and Pathology, University of Alberta, Edmonton, AB, Canada T6G 2G3
| | - Xing-Fang Li
- Division of Analytical and Environmental Toxicology, Department of Laboratory Medicine and Pathology, University of Alberta, Edmonton, AB, Canada T6G 2G3.
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Sang Z, Jiang Y, Tsoi YK, Leung KSY. Evaluating the environmental impact of artificial sweeteners: a study of their distributions, photodegradation and toxicities. WATER RESEARCH 2014; 52:260-74. [PMID: 24289948 DOI: 10.1016/j.watres.2013.11.002] [Citation(s) in RCA: 95] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/29/2013] [Revised: 10/30/2013] [Accepted: 11/02/2013] [Indexed: 05/10/2023]
Abstract
While having a long tradition as safe food additives, artificial sweeteners are a newly recognized class of environmental contaminants due to their extreme persistence and ubiquitous occurrence in various aquatic ecosystems. Resistant to wastewater treatment processes, they are continuously introduced into the water environments. To date however, their environmental behavior, fate as well as long term ecotoxicological contributions in our water resources still remain largely unknown. As a first step in the comprehensive study of artificial sweeteners, this work elucidates the geographical/seasonal/hydrological interactions of acesulfame, cyclamate, saccharin and sucralose in an open coast system at an estuarine/marine junction. Higher occurrence of acesulfame (seasonal average: 0.22 μg L(-1)) and sucralose (0.05 μg L(-1)) was found in summer while saccharin (0.11 μg L(-1)) and cyclamate (0.10 μg L(-1)) were predominantly detected in winter. Seasonal observations of the four sweeteners suggest strong connections with the variable chemical resistance among different sweeteners. Our photodegradation investigation further projected the potential impact of persistent acesulfame and sucralose compounds under prolonged exposure to intensive solar irradiation. Real-time observation by UPLC-ESI/MS of the degradation profile in both sweeteners illustrated that formation of new photo by-products under prolonged UV irradiation is highly viable. Interestingly, two groups of kinetically behaved photodegradates were identified for acesulfame, one of which was at least six times more persistent than the parent compound. For the first time, acute toxicity for the degradates of both sweeteners were arbitrarily measured, revealing photo-enhancement factors of 575 and 17.1 for acesulfame and sucralose, respectively. Direct comparison of photodegradation results suggests that the phototoxicity of acesulfame degradation products may impact aquatic ecosystems. In an attempt to neutralize this prolonged environmental threat, the feasibility of UV/TiO2 as an effective mineralization process in wastewater treatment was evaluated for both sweeteners. Under an environmental and technical relevant condition, a >84% removal rate recorded within 30 min and complete photomineralization was achieved within 2 h and delivering the best cost efficiency comparing to existing removal methods. A compilation of distribution, degradation, toxicity and attenuation results presented in this paper will go through critical discussions to explore some current issues and to pinpoint solutions for a better control in the emergent contamination of artificial sweeteners.
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Affiliation(s)
- Ziye Sang
- Department of Chemistry, Hong Kong Baptist University, Kowloon Tong, Hong Kong Special Administrative Region
| | - Yanan Jiang
- Department of Chemistry, Hong Kong Baptist University, Kowloon Tong, Hong Kong Special Administrative Region
| | - Yeuk-Ki Tsoi
- Department of Chemistry, Hong Kong Baptist University, Kowloon Tong, Hong Kong Special Administrative Region
| | - Kelvin Sze-Yin Leung
- Department of Chemistry, Hong Kong Baptist University, Kowloon Tong, Hong Kong Special Administrative Region.
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Richardson SD, Ternes TA. Water analysis: emerging contaminants and current issues. Anal Chem 2014; 86:2813-48. [PMID: 24502364 DOI: 10.1021/ac500508t] [Citation(s) in RCA: 479] [Impact Index Per Article: 47.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Susan D Richardson
- Department of Chemistry and Biochemistry, University of South Carolina , Columbia, South Carolina 29208, United States
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Ferrer I, Zweigenbaum JA, Thurman EM. Analytical Methodologies for the Detection of Sucralose in Water. Anal Chem 2013; 85:9581-7. [DOI: 10.1021/ac4016984] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Imma Ferrer
- Center
for Environmental Mass Spectrometry, Department of Environmental Engineering, University of Colorado, Boulder, Colorado 80309, United States
| | - Jerry A. Zweigenbaum
- Agilent Technologies, Inc., 2850
Centerville Road, Wilmington, Delaware 19808, United States
| | - E. Michael Thurman
- Center
for Environmental Mass Spectrometry, Department of Environmental Engineering, University of Colorado, Boulder, Colorado 80309, United States
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Gan Z, Sun H, Feng B, Wang R, Zhang Y. Occurrence of seven artificial sweeteners in the aquatic environment and precipitation of Tianjin, China. WATER RESEARCH 2013; 47:4928-37. [PMID: 23866151 DOI: 10.1016/j.watres.2013.05.038] [Citation(s) in RCA: 102] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/16/2012] [Revised: 05/06/2013] [Accepted: 05/20/2013] [Indexed: 05/13/2023]
Abstract
Seventy water samples, including wastewaters, tap waters, fresh surface waters, coastal waters, groundwaters, and precipitation samples, from Tianjin, China, were analyzed for seven commonly used artificial sweeteners (ASs). The concentrations of the investigated ASs were generally in the order of wastewater treatment plant (WWTP) influent > WWTP effluent > surface water > tap water > groundwater ≈ precipitation, while the composition profiles of ASs varied in different waters. Acesulfame, sucralose, cyclamate, and saccharin were consistently detected in surface waters and ranged from 50 ng/L to 0.12 mg/L, while acesulfame was the dominant AS in surface and tap waters. Aspartame was found in all of the surface waters at a concentration up to 0.21 μg/L, but was not found in groundwaters and tap waters. Neotame and neohesperidin dihydrochalcone were less frequently detected and the concentrations were low. The concentrations of the ASs in some of the surface waters were of the same order with those in the WWTP influents, but not with the effluents, indicating there are probably untreated discharges into the surface waters. The ASs were detected in precipitation samples with high frequency, and acesulfame, saccharin, and cyclamate were the predominant ASs, with concentrations ranging from 3.5 ng/L to 1.3 μg/L. A gross estimation revealed that precipitation may act as a source for saccharin and cyclamate in the surface environment of Tianjin city. Moreover, the presence of ASs in the atmosphere was primarily assessed by taking 4 air samples to evaluate their potential source in precipitation.
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Affiliation(s)
- Zhiwei Gan
- MOE Key Laboratory of Pollution Processes and Environmental Criteria, College of Environmental Science and Engineering, Nankai University, 94 Weijin Street, Tianjin 300071, China
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Batchu SR, Quinete N, Panditi VR, Gardinali PR. Online solid phase extraction liquid chromatography tandem mass spectrometry (SPE-LC-MS/MS) method for the determination of sucralose in reclaimed and drinking waters and its photo degradation in natural waters from South Florida. Chem Cent J 2013; 7:141. [PMID: 23965251 PMCID: PMC3844442 DOI: 10.1186/1752-153x-7-141] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2013] [Accepted: 08/15/2013] [Indexed: 11/29/2022] Open
Abstract
Background Sucralose has gained popularity as a low calorie artificial sweetener worldwide. Due to its high stability and persistence, sucralose has shown widespread occurrence in environmental waters, at concentrations that could reach up to several μg/L. Previous studies have used time consuming sample preparation methods (offline solid phase extraction/derivatization) or methods with rather high detection limits (direct injection) for sucralose analysis. This study described a faster and sensitive analytical method for the determination of sucralose in environmental samples. Results An online SPE-LC–MS/MS method was developed, being capable to quantify sucralose in 12 minutes using only 10 mL of sample, with method detection limits (MDLs) of 4.5 ng/L, 8.5 ng/L and 45 ng/L for deionized water, drinking and reclaimed waters (1:10 diluted with deionized water), respectively. Sucralose was detected in 82% of the reclaimed water samples at concentrations reaching up to 18 μg/L. The monthly average for a period of one year was 9.1 ± 2.9 μg/L. The calculated mass loads per capita of sucralose discharged through WWTP effluents based on the concentrations detected in wastewaters in the U. S. is 5.0 mg/day/person. As expected, the concentrations observed in drinking water were much lower but still relevant reaching as high as 465 ng/L. In order to evaluate the stability of sucralose, photodegradation experiments were performed in natural waters. Significant photodegradation of sucralose was observed only in freshwater at 254 nm. Minimal degradation (<20%) was observed for all matrices under more natural conditions (350 nm or solar simulator). The only photolysis product of sucralose identified by high resolution mass spectrometry was a de-chlorinated molecule at m/z 362.0535, with molecular formula C12H20Cl2O8. Conclusions Online SPE LC-APCI/MS/MS developed in the study was applied to more than 100 environmental samples. Sucralose was frequently detected (>80%) indicating that the conventional treatment process employed in the sewage treatment plants is not efficient for its removal. Detection of sucralose in drinking waters suggests potential contamination of surface and ground waters sources with anthropogenic wastewater streams. Its high resistance to photodegradation, minimal sorption and high solubility indicate that sucralose could be a good tracer of anthropogenic wastewater intrusion into the environment.
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Affiliation(s)
- Sudha Rani Batchu
- Department of Chemistry and Biochemistry, Florida International University, 3000 NE 151st ST, FIU Biscayne Bay Campus, MSB-356, North Miami, FL 33181, USA.
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