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Zheng Q, Xiao J, Zhang D, Li X, Xu J, Ma J, Xiao Q, Fu J, Guo Z, Zhu Y, Ji J, Lu S. Bisphenol analogues in infant foods in south China and implications for infant exposure. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 910:168509. [PMID: 37977386 DOI: 10.1016/j.scitotenv.2023.168509] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Revised: 10/26/2023] [Accepted: 11/09/2023] [Indexed: 11/19/2023]
Abstract
Bisphenol analogues (BPs) are commonly used as modifiers, stabilizers and photo-initiators in polymer materials, including those used in food packaging. Compared to adults, infants are more sensitive to chemicals because their bodies are growing and not fully developed. Therefore, it is essential to determine the concentrations of BPs in common infant foods to assess infant exposure and prevent hazards. We collected 54 infant formula (IF) samples, 90 complementary food (CMF) samples and 62 breastmilk samples from breastfeeding women in south China. Tandem mass spectrometry coupled to liquid chromatography separation (HPLC-MS/MS) was used to detect the concentrations of 8 BPs in the three types of food samples. The estimated daily intake (EDI) of infants was also assessed. The results showed that the detection frequency of bisphenol F (BPF), bisphenol S (BPS), bisphenol AF (BPAF) and bisphenol AP (BPAP) were relatively high among the different infant foods. BPF, BPP and BPS were predominant among the detected BPs. The lowest 95th EDI for BPA was 0.67 ng kg-bw-1 day-1, exceeding the tolerable daily intake (TDI) limit for BPA set by the European Food Safety Authority in 2023. Thus, BP exposure is a significant risk to infants. More attention should be paid to the presence of BPs in daily use products and food, and intake limits should be set for BPs other than BPA.
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Affiliation(s)
- Quanzhi Zheng
- School of Public Health (Shenzhen), Sun Yat-sen University, Shenzhen 518107, China
| | - Jinqiu Xiao
- School of Public Health (Shenzhen), Sun Yat-sen University, Shenzhen 518107, China
| | - Duo Zhang
- School of Public Health (Shenzhen), Sun Yat-sen University, Shenzhen 518107, China
| | - Xiangyu Li
- School of Public Health (Shenzhen), Sun Yat-sen University, Shenzhen 518107, China
| | - Jiayi Xu
- School of Public Health (Shenzhen), Sun Yat-sen University, Shenzhen 518107, China
| | - Jiaojiao Ma
- School of Public Health (Shenzhen), Sun Yat-sen University, Shenzhen 518107, China
| | - Qinru Xiao
- School of Public Health (Shenzhen), Sun Yat-sen University, Shenzhen 518107, China
| | - Jinfeng Fu
- School of Public Health (Shenzhen), Sun Yat-sen University, Shenzhen 518107, China
| | - Zhihui Guo
- School of Public Health (Shenzhen), Sun Yat-sen University, Shenzhen 518107, China
| | - Yue Zhu
- School of Public Health (Shenzhen), Sun Yat-sen University, Shenzhen 518107, China
| | - Jiajia Ji
- Shenzhen Center for Disease Control and Prevention, Shenzhen 518055, China
| | - Shaoyou Lu
- School of Public Health (Shenzhen), Sun Yat-sen University, Shenzhen 518107, China.
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2
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Gonkowski S, Martín J, Aparicio I, Santos JL, Alonso E, Rytel L. Evaluation of Parabens and Bisphenol A Concentration Levels in Wild Bat Guano Samples. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2023; 20:1928. [PMID: 36767313 PMCID: PMC9916121 DOI: 10.3390/ijerph20031928] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/03/2022] [Revised: 01/17/2023] [Accepted: 01/18/2023] [Indexed: 06/18/2023]
Abstract
Parabens and bisphenol A are synthetic compounds found in many everyday objects, including bottles, food containers, personal care products, cosmetics and medicines. These substances may penetrate the environment and living organisms, on which they have a negative impact. Till now, numerous studies have described parabens and BPA in humans, but knowledge about terrestrial wild mammals' exposure to these compounds is very limited. Therefore, during this study, the most common concentration levels of BPA and parabens were selected (such as methyl paraben-MeP, ethyl paraben-EtP, propyl paraben-PrP and butyl paraben-BuP) and analyzed in guano samples collected in summer (nursery) colonies of greater mouse-eared bats (Myotis myotis) using liquid chromatography with the tandem mass spectrometry (LC-MS-MS) method. MeP has been found in all guano samples and its median concentration levels amounted to 39.6 ng/g. Other parabens were present in smaller number of samples (from 5% for BuP to 62.5% for EtP) and in lower concentrations. Median concentration levels of these substances achieved 0.95 ng/g, 1.45 ng/g and 15.56 ng/g for EtP, PrP and BuP, respectively. BPA concentration levels did not exceed the method quantification limit (5 ng/g dw) in any sample. The present study has shown that wild bats are exposed to parabens and BPA, and guano samples are a suitable matrix for studies on wild animal exposure to these substances.
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Affiliation(s)
- Slawomir Gonkowski
- Department of Clinical Physiology, Faculty of Veterinary Medicine, University of Warmia and Mazury, Street Oczapowskiego 14, 10-719 Olsztyn, Poland
| | - Julia Martín
- Departamento de Química Analítica, Universidad de Sevilla, C/Virgen de África, 7, E-41011 Sevilla, Spain
| | - Irene Aparicio
- Departamento de Química Analítica, Universidad de Sevilla, C/Virgen de África, 7, E-41011 Sevilla, Spain
| | - Juan Luis Santos
- Departamento de Química Analítica, Universidad de Sevilla, C/Virgen de África, 7, E-41011 Sevilla, Spain
| | - Esteban Alonso
- Departamento de Química Analítica, Universidad de Sevilla, C/Virgen de África, 7, E-41011 Sevilla, Spain
| | - Liliana Rytel
- Department of Internal Diseases with Clinic, Faculty of Veterinary Medicine, University of Warmia and Mazury in Olsztyn, ul. Oczapowskiego 14, 10-719 Olsztyn, Poland
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Zotov VA, Bessonov VV, Risnik DV. Methodological Aspects of the Analysis of Fatty Acids in Biological Samples. APPL BIOCHEM MICRO+ 2022. [DOI: 10.1134/s0003683822010112] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Mishra P, Kiran NS, Romanholo Ferreira LF, Mulla SI. Algae bioprocess to deal with cosmetic chemical pollutants in natural ecosystems: A comprehensive review. J Basic Microbiol 2021; 62:1083-1097. [PMID: 34913513 DOI: 10.1002/jobm.202100467] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Revised: 11/01/2021] [Accepted: 12/03/2021] [Indexed: 01/07/2023]
Abstract
Elevated demand and extensive exploitation of cosmetics in day-to-day life have hiked up its industrial productions worldwide. Organic and inorganic chemicals like parabens, phthalates, sulfates, and so forth are being applied as constituents towards the formulations, which tend to be the mainspring ecological complication due to their enduring nature and accumulation properties in various sections of the ecosystem. These cosmetic chemicals get accrued into the terrestrial and aquatic systems on account of various anthropogenic activities involving agricultural runoff, industrial discharge, and domestic effluents. Recently, the use of microbes for remediating persistent cosmetic chemicals has gained immense interest. Among different forms of the microbial community being applied as an environmental beneficiary, algae play a vital role in both terrestrial and aquatic ecosystems by their biologically beneficial metabolites and molecules, resulting in the biobenign and efficacious consequences. The use of various bacterial, fungal, and higher plant species has been studied intensely for their bioremediation elements. The bioremediating property of the algal cells through biosorption, bioassimilation, biotransformation, and biodegradation has made it favorable for the removal of persistent and toxic pollutants from the environment. However, the research investigation concerned with the bioremediation potential of the algal kingdom is limited. This review summarizes and provides updated and comprehensive insights into the potential remediation capabilities of algal species against ecologically hazardous pollutants concerning cosmetic chemicals.
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Affiliation(s)
- Prabhakar Mishra
- Department of Biotechnology, School of Applied Sciences, REVA University, Bengaluru, Karnataka, India
| | - N S Kiran
- Department of Biotechnology, School of Applied Sciences, REVA University, Bengaluru, Karnataka, India
| | - Luiz Fernando Romanholo Ferreira
- Graduate Program in Process Engineering, Tiradentes University (UNIT), Aracaju, Sergipe, Brazil.,Waste and Effluent Treatment Laboratory, Institute of Technology and Research (ITP), Aracaju, Sergipe, Brazil
| | - Sikandar I Mulla
- Department of Biochemistry, School of Applied Sciences, REVA University, Bengaluru, Karnataka, India
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Frankowski R, Grześkowiak T, Czarczyńska-Goślińska B, Zgoła-Grześkowiak A. Occurrence and dietary risk of bisphenols and parabens in raw and processed cow's milk. Food Addit Contam Part A Chem Anal Control Expo Risk Assess 2021; 39:116-129. [PMID: 34702142 DOI: 10.1080/19440049.2021.1986234] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
Raw cow's milk collected from farmers and processed cow's milk purchased from local grocery stores were analysed for the presence of six bisphenols (bisphenol A, bisphenol S, bisphenol F, bisphenol AF, bisphenol B, and bisphenol E) and five parabens (methylparaben, ethylparaben, propylparaben, butylparaben, and benzylparaben). The analytes were determined in their unconjugated form and (after enzymatic deconjugation) as the sum of conjugated and unconjugated compounds. The results show the presence of bisphenols mainly in the processed milk bought in stores while parabens were found in all samples of both raw and processed cow's milk. The average concentration of bisphenol A found in milk from cartons (0.87 ng mL-1) was greater than in milk from plastic bottles (0.35 ng mL-1). No such difference was found for parabens. Also, no considerable difference between the content of conjugated and total bisphenols and parabens was found except for ethylparaben. The determined compounds were always found below 2.0 ng mL-1 and calculations of the hazard quotients and the hazard index have shown that consumption of such milk is safe.
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Affiliation(s)
- Robert Frankowski
- Institute of Chemistry and Technical Electrochemistry, Poznan University of Technology, Poznań, Poland
| | - Tomasz Grześkowiak
- Institute of Chemistry and Technical Electrochemistry, Poznan University of Technology, Poznań, Poland
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Thürmann L, Herberth G, Seiwert B, Schlittenbauer L, Rolle‐Kampczyk U, Röder S, Sack U, Borte M, Bergen M, Trump S, Reemtsma T, Lehmann I. Prenatal paraben exposure and atopic dermatitis-related outcomes among children. Allergy 2021; 76:3122-3132. [PMID: 33934374 DOI: 10.1111/all.14890] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2020] [Revised: 04/01/2021] [Accepted: 04/13/2021] [Indexed: 02/06/2023]
Abstract
BACKGROUND Parabens, widely used as preservatives in cosmetics, foods, and other consumer products, are suspected of contributing to allergy susceptibility. The detection of parabens in the placenta or amniotic fluid raised concerns about potential health consequences for the child. Recently, an increased asthma risk following prenatal exposure has been reported. Here, we investigated whether prenatal paraben exposure can influence the risk for atopic dermatitis (AD). METHODS 261 mother-child pairs of the German mother-child study LINA were included in this analysis. Eight paraben species were quantified in maternal urine obtained at gestational week 34. According to the parental report of physician-diagnosed AD from age 1 to 8 years, disease onset, and persistence, childhood AD was classified into four different phenotypes. RESULTS 4.6% (n = 12) and 12.3% (n = 32) of the children were classified as having very early-onset AD (until age two) either with or without remission, 11.9% (n = 31) as early-onset (after age two), and 3.1% (n = 8) as childhood-onset AD (after age six). Exposure to ethylparaben and n-butylparaben was associated with an increased risk to develop very early-onset AD without remission (EtP: adj.OR/95% CI:1.44/1.04-2.00,nBuP:adj.OR/95% CI:1.95/1.22-3.12). The effects of both parabens were predominant in children without a history of maternal AD and independent of children's sex. CONCLUSION Prenatal EtP or nBuP exposure may increase children's susceptibility for persistent AD with disease onset at very early age. This association was particularly pronounced in children without a history of maternal AD, indicating that children without a genetic predisposition are more susceptible to paraben exposure.
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Affiliation(s)
- Loreen Thürmann
- Molecular Epidemiology Unit Berlin Institute of Health at Charité–Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt‐Universität zu Berlin, associated partner of the German Center for Lung Research (DZL) Berlin Germany
| | - Gunda Herberth
- Department of Environmental Immunology Helmholtz Centre for Environmental Research‐UFZ Leipzig Germany
| | - Bettina Seiwert
- Department of Analytical Chemistry Helmholtz Centre for Environmental Research – UFZ Leipzig Germany
| | - Linda Schlittenbauer
- Department of Analytical Chemistry Helmholtz Centre for Environmental Research – UFZ Leipzig Germany
| | - Ulrike Rolle‐Kampczyk
- Department of Molecular Systems Biology Helmholtz Centre for Environmental Research‐UFZ Leipzig Germany
| | - Stefan Röder
- Department of Environmental Immunology Helmholtz Centre for Environmental Research‐UFZ Leipzig Germany
| | - Ulrich Sack
- Institute of Clinical Immunology Medical Faculty University Leipzig Leipzig Germany
| | - Michael Borte
- Children's Hospital Municipal Hospital “St.Georg” Academic Teaching Hospital of the University of Leipzig Leipzig Germany
| | - Martin Bergen
- Department of Molecular Systems Biology Helmholtz Centre for Environmental Research‐UFZ Leipzig Germany
- Department of Biochemistry Faculty of Biosciences, Pharmacy and Psychology University of Leipzig Leipzig Germany
| | - Saskia Trump
- Molecular Epidemiology Unit Berlin Institute of Health at Charité–Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt‐Universität zu Berlin, associated partner of the German Center for Lung Research (DZL) Berlin Germany
| | - Thorsten Reemtsma
- Department of Analytical Chemistry Helmholtz Centre for Environmental Research – UFZ Leipzig Germany
| | - Irina Lehmann
- Molecular Epidemiology Unit Berlin Institute of Health at Charité–Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt‐Universität zu Berlin, associated partner of the German Center for Lung Research (DZL) Berlin Germany
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7
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Nguyen VH, Phan Thi LA, Chandana PS, Do HT, Pham TH, Lee T, Nguyen TD, Le Phuoc C, Huong PT. The degradation of paraben preservatives: Recent progress and sustainable approaches toward photocatalysis. CHEMOSPHERE 2021; 276:130163. [PMID: 33725624 DOI: 10.1016/j.chemosphere.2021.130163] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/04/2020] [Revised: 02/17/2021] [Accepted: 03/01/2021] [Indexed: 05/06/2023]
Abstract
Parabens are a class of compounds primarily used as antimicrobial preservatives in pharmaceutical products, cosmetics, and foodstuff. Their widely used field leads to increasing concentrations detected in various environmental matrices like water, soil, and sludges, even detected in human tissue, blood, and milk. Treatment techniques, including chemical advanced oxidation, biological degradation, and physical adsorption processes, have been widely used to complete mineralization or to degrade parabens into less complicated byproducts. All kinds of processes were reviewed to give a completed picture of parabens removal. In light of these treatment techniques, advanced photocatalysis, which is emerging rapidly and widely as an economical, efficient, and environmentally-friendly technique, has received considerable attention. TiO2-based and non-TiO2-based photocatalysts play an essential role in parabens degradation. The effect of experimental parameters, such as the concentration of targeted parabens, concentration of photocatalyst, reaction time, and initial solution pH, even the presence of radical scavengers, are surveyed and compared from the literature. Some representative parabens such as methylparaben, propylparaben, and benzylparaben have been successfully studied the reaction pathways and their intermediates in their degradation process. As reported in the literature, the degradation of parabens involves the production of highly reactive species, mainly hydroxyl radicals. These reactive radicals would attack the paraben preservatives, break, and finally mineralize them into simpler inorganic and nontoxic molecules. Concluding perspectives on the challenges and opportunities for photocatalysis toward parabens remediation are also intensively highlighted.
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Affiliation(s)
- Van-Huy Nguyen
- Department for Management of Science and Technology Development, Ton Duc Thang University, Ho Chi Minh City, Viet Nam; Faculty of Applied Sciences, Ton Duc Thang University, Ho Chi Minh City, Viet Nam.
| | - Lan-Anh Phan Thi
- VNU Key Laboratory of Analytical Technology for Environmental Quality and Food Safety Control (KLATEFOS), University of Science, Vietnam National University, Hanoi, 334 Nguyen Trai, Hanoi, Viet Nam; Center for Environmental Technology and Sustainable Development (CETASD), University of Science, Vietnam National University, Hanoi, 334 Nguyen Trai, Hanoi, Viet Nam.
| | - P Sri Chandana
- Department of Civil and Environmental Engineering, Annamacharya Institute of Technology and Sciences, Kadapa, 516003, A.P., India.
| | - Huu-Tuan Do
- Faculty of Environmental Science, University of Science, Vietnam National University, Hanoi, 334 Nguyen Trai, Hanoi, Viet Nam
| | - Thuy-Hanh Pham
- Faculty of Environmental Science, University of Science, Vietnam National University, Hanoi, 334 Nguyen Trai, Hanoi, Viet Nam
| | - Taeyoon Lee
- Department of Environmental Engineering, College of Environmental and Marine, Pukyong National University, 45 Yongso-ro, Nam-gu, Busan, 48513, Republic of Korea
| | - Trinh Duy Nguyen
- Department of Environmental Engineering, College of Environmental and Marine, Pukyong National University, 45 Yongso-ro, Nam-gu, Busan, 48513, Republic of Korea; Center of Excellence for Green Energy and Environmental Nanomaterials (CE GrEEN), Nguyen Tat Thanh University, 300A Nguyen Tat Thanh, District 4, Ho Chi Minh City, 755414, Viet Nam.
| | - Cuong Le Phuoc
- Department of Environmental Management, Faculty of Environment, The University of Da Nang - University of Science and Technology, Da Nang, 550000, Viet Nam
| | - Pham Thi Huong
- Institute of Research and Development, Duy Tan University, Da Nang, 550000, Viet Nam; Faculty of Environment and Chemical Engineering, Duy Tan University, Danang, 550000, Viet Nam
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Selective Molecular Recognition of Low Density Lipoprotein Based on β-Cyclodextrin Coated Electrochemical Biosensor. BIOSENSORS-BASEL 2021; 11:bios11070216. [PMID: 34209334 PMCID: PMC8301920 DOI: 10.3390/bios11070216] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/30/2021] [Revised: 06/22/2021] [Accepted: 06/24/2021] [Indexed: 12/21/2022]
Abstract
The excess of low-density lipoprotein (LDL) strongly promotes the accumulation of cholesterol on the arterial wall, which can easily lead to the atherosclerotic cardiovascular diseases (ACDs). It is a challenge on how to recognize and quantify the LDL with a simple and sensitive analytical technology. Herein, β-cyclodextrins (β-CDs), acting as molecular receptors, can bind with LDL to form stable inclusion complexes via the multiple interactions, including electrostatic, van der Waals forces, hydrogen bonding and hydrophobic interactions. With the combination of gold nanoparticles (Au NPs) and β-CDs, we developed an electrochemical sensor providing an excellent molecular recognition and sensing performance towards LDL detection. The LDL dynamic adsorption behavior on the surface of the β-CD-Au electrode was explored by electrochemical impedance spectroscopy (EIS), displaying that the electron-transfer resistance (Ret) values were proportional to the LDL (positively charged apolipoprotein B-100) concentrations. The β-CD-Au modified sensor exhibited a high selectivity and sensitivity (978 kΩ·µM−1) toward LDL, especially in ultra-low concentrations compared with the common interferers HDL and HSA. Due to its excellent molecular recognition performance, β-CD-Au can be used as a sensing material to monitor LDL in human blood for preventing ACDs in the future.
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Czarczyńska-Goślińska B, Grześkowiak T, Frankowski R, Lulek J, Pieczak J, Zgoła-Grześkowiak A. Determination of bisphenols and parabens in breast milk and dietary risk assessment for Polish breastfed infants. J Food Compost Anal 2021. [DOI: 10.1016/j.jfca.2021.103839] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Determination of Intact Parabens in the Human Plasma of Cancer and Non-Cancer Patients Using a Validated Fabric Phase Sorptive Extraction Reversed-Phase Liquid Chromatography Method with UV Detection. Molecules 2021; 26:molecules26061526. [PMID: 33799523 PMCID: PMC8002076 DOI: 10.3390/molecules26061526] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2021] [Revised: 03/07/2021] [Accepted: 03/08/2021] [Indexed: 11/21/2022] Open
Abstract
Parabens have been widely employed as preservatives since the 1920s for extending the shelf life of foodstuffs, medicines, and daily care products. Given the fact that there are some legitimate concerns related to their potential multiple endocrine-disrupting properties, the development of novel bioanalytical methods for their biomonitoring is crucial. In this study, a fabric phase sorptive extraction reversed-phase liquid chromatography method coupled with UV detection (FPSE-HPLC-UV) was developed and validated for the quantitation of seven parabens in human plasma samples. Chromatographic separation of the seven parabens and p-hydroxybenzoic acid was achieved on a semi-micro Spherisorb ODS1 analytical column under isocratic elution using a mobile phase containing 0.1% (v/v) formic acid and 66% 49 mM ammonium formate aqueous solution in acetonitrile at flow rate 0.25 mL min−1 with a 24-min run time for each sample. The method was linear at a concentration range of 20 to 500 ng mL−1 for the seven parabens under study in human plasma samples. The efficiency of the method was proven with the analysis of 20 human plasma samples collected from women subjected to breast cancer surgery and to reconstructive and aesthetic breast surgery. The highest quantitation rates in human plasma samples from cancerous cases were found for methylparaben and isobutylparaben with average plasma concentrations at 77 and 112.5 ng mL−1. The high concentration levels detected agree with previous findings for some of the parabens and emphasize the need for further epidemiological research on the possible health effects of the use of these compounds.
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Pajewska-Szmyt M, Biniewska E, Buszewski B, Gadzała-Kopciuch R. Synthesis of Magnetic Molecularly Imprinted Polymer Sorbents for Isolation of Parabens from Breast Milk. MATERIALS 2020; 13:ma13194328. [PMID: 33003301 PMCID: PMC7579064 DOI: 10.3390/ma13194328] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/14/2020] [Revised: 09/21/2020] [Accepted: 09/22/2020] [Indexed: 11/16/2022]
Abstract
Magnetic molecularly imprinted polymers (MMIPs) are an invaluable asset in the development of many methods in analytical chemistry, particularly sample preparation. Novel adsorbents based on MMIPs are characterized by high selectivity towards a specific analyte due to the presence of a specific cavity on their polymer surface, enabling the lock-key model interactions to occur. In addition, the magnetic core provides superparamagnetic properties that allow rapid separation of the sorbent from the sample solution. Such a combination of imprinted polymers with a magnetic core has an innovative influence on the development of separation techniques. Hence, the present study describes the synthesis of MMIPs with 17β-estradiol used as a template molecule in the production of imprinted polymers. The as-prepared sorbent was used for a sorption/desorption study of five parabens from breast milk samples. The obtained results were characterized by sorption efficiency exceeding 92%, which shows the high affinity of the analytes to the functional groups on the sorbent. The final determination of the selected analytes was done with high-performance liquid chromatography using a fluorometric detector. The determined linearity ranges for selected parabens were characterized by high determination coefficients (r2 from 0.9992 to 0.9999), and the calculated limit of detection (LOD) and limit of quantification (LOQ) for the identified compounds were low (LOD from 1.1-2.7 ng mL-1; LOQ from 3.6-8.1 ng mL-1), which makes their quantitative analysis in real samples feasible.
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Affiliation(s)
- Martyna Pajewska-Szmyt
- Department of Environmental Chemistry and Bioanalytics, Faculty of Chemistry, Nicolaus Copernicus University, 7 Gagarin St, 87100 Toruń, Poland; (M.P.-S.); (E.B.); (B.B.)
- Interdisciplinary Centre of Modern Technologies, Nicolaus Copernicus University in Toruń, 4 Wileńska St, 87100 Toruń, Poland
| | - Ewelina Biniewska
- Department of Environmental Chemistry and Bioanalytics, Faculty of Chemistry, Nicolaus Copernicus University, 7 Gagarin St, 87100 Toruń, Poland; (M.P.-S.); (E.B.); (B.B.)
- Interdisciplinary Centre of Modern Technologies, Nicolaus Copernicus University in Toruń, 4 Wileńska St, 87100 Toruń, Poland
| | - Bogusław Buszewski
- Department of Environmental Chemistry and Bioanalytics, Faculty of Chemistry, Nicolaus Copernicus University, 7 Gagarin St, 87100 Toruń, Poland; (M.P.-S.); (E.B.); (B.B.)
- Interdisciplinary Centre of Modern Technologies, Nicolaus Copernicus University in Toruń, 4 Wileńska St, 87100 Toruń, Poland
| | - Renata Gadzała-Kopciuch
- Department of Environmental Chemistry and Bioanalytics, Faculty of Chemistry, Nicolaus Copernicus University, 7 Gagarin St, 87100 Toruń, Poland; (M.P.-S.); (E.B.); (B.B.)
- Interdisciplinary Centre of Modern Technologies, Nicolaus Copernicus University in Toruń, 4 Wileńska St, 87100 Toruń, Poland
- Correspondence:
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12
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Zhang ZY, Yao AY, Yue TT, Niu MQ, Wang HY. Bayesian Discriminant Analysis of Yogurt Products Based on Raman Spectroscopy. J AOAC Int 2020; 103:1435-1439. [DOI: 10.1093/jaoacint/qsaa039] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2019] [Revised: 02/20/2020] [Accepted: 03/11/2020] [Indexed: 12/24/2022]
Abstract
Abstract
Background
The quality discrimination of dairy products is an important basis on which to achieve quality assurance.
Objective
Taking the discriminant analysis of brand yogurt products as an example, a new rapid discriminant method can be constructed.
Method
The first three principal components were selected as the pattern vectors of the samples. Then, at random, 75% of the samples were collected as a training set, and their mean values and covariance matrices were calculated to construct a Gauss Bayesian discriminant model. The remaining 25% of samples were employed as a test set, and the pattern vectors of each sample were input into the above model. Next, the posterior probability of each sample in relation to each category could be obtained. Results: The category corresponding to the maximum posterior probability as the brand classification of each sample was defined.
Conclusions
We constructed a Gauss Bayesian discriminant model to discriminate these different yogurt products after the principal component feature extraction of Raman properties. The results indicate the rationality and wide application prospects of this approach.
Highlights
A fast dairy product discriminant method based on Gauss Bayesian model and Raman spectroscopy was established.
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Affiliation(s)
- Zheng-Yong Zhang
- Nanjing University of Finance and Economics, School of Management Science and Engineering, Nanjing, Jiangsu 210023, The People’s Republic of China
- Hunan University, State Key Laboratory of Chemo/Biosensing and Chemometrics, Changsha, Hunan 410082, The People’s Republic of China
| | - An-Yang Yao
- Nanjing University of Finance and Economics, School of Management Science and Engineering, Nanjing, Jiangsu 210023, The People’s Republic of China
| | - Tong-Tong Yue
- Nanjing University of Finance and Economics, School of Management Science and Engineering, Nanjing, Jiangsu 210023, The People’s Republic of China
| | - Min-Qiu Niu
- Nanjing University of Finance and Economics, School of Management Science and Engineering, Nanjing, Jiangsu 210023, The People’s Republic of China
| | - Hai-Yan Wang
- Zhejiang Gongshang University, School of Management and E-Business, Hangzhou, Zhejiang 310018, The People’s Republic of China
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Kannan A, Shalini Devi KS, Dinesh B, Maheswari Krishnan U, Gandhi S. Tailoring the electrochemical interface of mesoporous carbon with ubiquinone for detection of parabens in cosmetics. ChemistrySelect 2020. [DOI: 10.1002/slct.202000185] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Aarthi Kannan
- Department of ChemistrySchool of Chemical and BiotechnologySASTRA Deemed to be University Thanjavur 613401, Tamil Nadu India
| | - K. S. Shalini Devi
- Department of ChemistrySchool of Chemical and BiotechnologySASTRA Deemed to be University Thanjavur 613401, Tamil Nadu India
- Centre for Nanotechnology and Advanced Biomaterials, School of Chemical and BiotechnologySASTRA Deemed to be University Thanjavur 613401, Tamil Nadu
| | - Bose Dinesh
- Department of ChemistrySchool of Chemical and BiotechnologySASTRA Deemed to be University Thanjavur 613401, Tamil Nadu India
| | - Uma Maheswari Krishnan
- Department of ChemistrySchool of Chemical and BiotechnologySASTRA Deemed to be University Thanjavur 613401, Tamil Nadu India
- Centre for Nanotechnology and Advanced Biomaterials, School of Chemical and BiotechnologySASTRA Deemed to be University Thanjavur 613401, Tamil Nadu
| | - Sakthivel Gandhi
- Department of ChemistrySchool of Chemical and BiotechnologySASTRA Deemed to be University Thanjavur 613401, Tamil Nadu India
- Centre for Nanotechnology and Advanced Biomaterials, School of Chemical and BiotechnologySASTRA Deemed to be University Thanjavur 613401, Tamil Nadu
- Centre for Energy Storage & ConversionSchool of Chemical and BiotechnologySASTRA Deemed University Thanjavur India
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14
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Cheng L, Huang K, Cui H, Wang X, Zhang H, Zeng L, Zhang X, Wang B, Zhou Y, Jing T. Coiled molecularly imprinted polymer layer open-tubular capillary tube for detection of parabens in personal care and cosmetic products. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 706:135961. [PMID: 31841851 DOI: 10.1016/j.scitotenv.2019.135961] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/06/2019] [Revised: 11/23/2019] [Accepted: 12/04/2019] [Indexed: 06/10/2023]
Abstract
Personal care and cosmetic products (PCPs) are the primary exposure pathway of humans to parabens and their safety has become a public concern. However, sample pretreatment of PCPs is a great challenge due to their complexities and diversity. In this study, epoxide modified molecularly imprinted polymers (MIPs) were synthesized using ethylparaben as a template, methacrylic acid and isobutyl vinyl ether as co-monomers and glycidilmethacrylate as a post-modified monomer. MIP layer open-tubular tubes were prepared by modifying branched polyethylenimine and then grafting MIPs onto the inner surface of Teflon capillary tubes. The tube was coiled to effectively increase mass transfer and coupled to an HPLC-UV system for parabens detection in PCPs. Matrix interference was significantly decreased while efficient enrichment and recoveries were obtained. Under optimized conditions, the linear range for parabens detection was 0.5-600 ng mL-1 with detection limits of 0.2 to 0.3 ng mL-1. The system was used to study the contents of parabens in popular PCPs. The concentrations of parabens in 108 PCPs ranged from <0.5 ng g-1 to 2856 μg g-1 with geometric mean of 250.3 μg g-1. Almost all of the products contained at least one kind of parabens; methyl paraben (geometric mean: 182.9 μg g-1) and n-propyl paraben (geometric mean: 42.5 μg g-1) were the predominant compounds had been found in the samples. This method could be useful for human exposure assessment towards parabens.
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Affiliation(s)
- Ling Cheng
- State Key Laboratory of Environment Health (Incubation), Key Laboratory of Environment and Health, Ministry of Education, Key Laboratory of Environment and Health (Wuhan), Ministry of Environmental Protection, School of Public Health, Tongji Medical College, Huazhong University of Science & Technology, #13 Hangkong Road, Wuhan, Hubei 430030, China
| | - Kai Huang
- State Key Laboratory of Environment Health (Incubation), Key Laboratory of Environment and Health, Ministry of Education, Key Laboratory of Environment and Health (Wuhan), Ministry of Environmental Protection, School of Public Health, Tongji Medical College, Huazhong University of Science & Technology, #13 Hangkong Road, Wuhan, Hubei 430030, China
| | - Hairong Cui
- School of Life Science, Wuchang University of Technology, #16 Jiangxia Avenue, Wuhan, Hubei 430223, China
| | - Xiu Wang
- State Key Laboratory of Environment Health (Incubation), Key Laboratory of Environment and Health, Ministry of Education, Key Laboratory of Environment and Health (Wuhan), Ministry of Environmental Protection, School of Public Health, Tongji Medical College, Huazhong University of Science & Technology, #13 Hangkong Road, Wuhan, Hubei 430030, China
| | - Hongxing Zhang
- State Key Laboratory of Environment Health (Incubation), Key Laboratory of Environment and Health, Ministry of Education, Key Laboratory of Environment and Health (Wuhan), Ministry of Environmental Protection, School of Public Health, Tongji Medical College, Huazhong University of Science & Technology, #13 Hangkong Road, Wuhan, Hubei 430030, China
| | - Lingshuai Zeng
- State Key Laboratory of Environment Health (Incubation), Key Laboratory of Environment and Health, Ministry of Education, Key Laboratory of Environment and Health (Wuhan), Ministry of Environmental Protection, School of Public Health, Tongji Medical College, Huazhong University of Science & Technology, #13 Hangkong Road, Wuhan, Hubei 430030, China
| | - Xiu Zhang
- State Key Laboratory of Environment Health (Incubation), Key Laboratory of Environment and Health, Ministry of Education, Key Laboratory of Environment and Health (Wuhan), Ministry of Environmental Protection, School of Public Health, Tongji Medical College, Huazhong University of Science & Technology, #13 Hangkong Road, Wuhan, Hubei 430030, China
| | - Bingmao Wang
- State Key Laboratory of Environment Health (Incubation), Key Laboratory of Environment and Health, Ministry of Education, Key Laboratory of Environment and Health (Wuhan), Ministry of Environmental Protection, School of Public Health, Tongji Medical College, Huazhong University of Science & Technology, #13 Hangkong Road, Wuhan, Hubei 430030, China
| | - Yikai Zhou
- State Key Laboratory of Environment Health (Incubation), Key Laboratory of Environment and Health, Ministry of Education, Key Laboratory of Environment and Health (Wuhan), Ministry of Environmental Protection, School of Public Health, Tongji Medical College, Huazhong University of Science & Technology, #13 Hangkong Road, Wuhan, Hubei 430030, China
| | - Tao Jing
- State Key Laboratory of Environment Health (Incubation), Key Laboratory of Environment and Health, Ministry of Education, Key Laboratory of Environment and Health (Wuhan), Ministry of Environmental Protection, School of Public Health, Tongji Medical College, Huazhong University of Science & Technology, #13 Hangkong Road, Wuhan, Hubei 430030, China.
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