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Yuan H, Xie Q, Liang L, Luo J, Jiang S, Peng C, Wang W. An Efficient Workflow for Quality Control Marker Screening and Metabolite Discovery in Dietary Herbs by LC-Orbitrap-MS/MS and Chemometric Methods: A Case Study of Chrysanthemum Flowers. Foods 2024; 13:1008. [PMID: 38611314 PMCID: PMC11012057 DOI: 10.3390/foods13071008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2024] [Revised: 03/23/2024] [Accepted: 03/24/2024] [Indexed: 04/14/2024] Open
Abstract
LC-MS is widely utilized in identifying and tracing plant-derived food varieties but quality control markers screening and accurate identification remain challenging. The adulteration and confusion of Chrysanthemum flowers highlight the need for robust quality control markers. This study established an efficient workflow by integrating UHPLC-Orbitrap-MS/MS with Compound Discoverer and chemometrics. This workflow enabled the systematic screening of 21 markers from 10,540 molecular features, which effectively discriminated Chrysanthemum flowers of different species and cultivars. The workflow incorporated targeted and untargeted methods by employing diagnostic product ions, fragmentation patterns, mzCloud, mzVault, and in-house databases to identify 206 compounds in the flowers, including 17 screened markers. This approach improved identification accuracy by reducing false positives, eliminating in-source fragmentation interference, and incorporating partial verification utilizing our established compound bank. Practically, this workflow can be instrumental in quality control, geolocation determination, and varietal tracing of Chrysanthemum flowers, offering prospective use in other plant-derived foods.
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Affiliation(s)
| | | | | | | | | | | | - Wei Wang
- TCM and Ethnomedicine Innovation & Development International Laboratory, Innovative Material Medical Research Institute, School of Pharmacy, Hunan University of Chinese Medicine, Changsha 410208, China; (H.Y.); (Q.X.); (L.L.); (J.L.); (S.J.); (C.P.)
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2
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Yan Z, Nie J, Cheng Y, Han L, Farooq S. Method development, validation, and risk assessment of multiple pesticide residues of fruits in China. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:18826-18841. [PMID: 38353823 DOI: 10.1007/s11356-024-32198-0] [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: 10/09/2023] [Accepted: 01/22/2024] [Indexed: 03/09/2024]
Abstract
In this study, a muti-residue analysis method of 40 pesticides in five different categories of fruits in China was developed based on ultra-performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS). Five hundred real samples were analyzed and assessed for the dietary exposure risk. The sample treatment method was optimized by comparing four clean-up methods. The matrix effects of different fruits were evaluated. The analytical method was validated in terms of linearity, limit of detection (LOD), limit of quantification (LOQ), accuracy, and precision. The results showed that the optimal method was the treatment by clean up with ODS (octadecylsilane) and MgSO4. The matrix effect was the strongest in orange and weakest in apple. The LOD and LOQ of pesticides were 0.04-5.9 μg kg-1 and 0.13-19.5 μg kg-1, respectively. The recoveries at three spiked levels were ranged from 71.2 to 115.2% with the RSDs from 0.1 to 19.6%. Twenty-two pesticides were detected in 500 fruit samples from the major production regions of China, with concentrations ranging from 0.1 to 1930 μg kg-1. A total of 13, 10, 9, 8, and 4 pesticides were detected in peach, orange, grape, apple, and strawberry. Both the acceptable daily intake (ADI) and acute reference dose (ARfD) for all the detected pesticides were lower than 100%, indicating that the dietary intake risks are acceptable and would not pose potential health risks.
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Affiliation(s)
- Zhen Yan
- Institute of Pomology of Chinese Academy of Agricultural Sciences/Quality Inspection and Test Center for Fruit and Nursery Stocks (Xingcheng), MARA, Xingcheng, China
| | - Jiyun Nie
- College of Horticulture, Qingdao Agricultural University/Laboratory of Quality & Safety Risk Assessment for Fruit (Qingdao), Ministry of Agriculture and Rural Affairs/National Technology Centre for Whole Process Quality Control of FSEN Horticultural Products (Qingdao)/Qingdao Key Lab of Modern Agriculture Quality and Safety Engineering, Qingdao, China.
| | - Yang Cheng
- Institute of Pomology of Chinese Academy of Agricultural Sciences/Quality Inspection and Test Center for Fruit and Nursery Stocks (Xingcheng), MARA, Xingcheng, China
| | - Lingxi Han
- College of Horticulture, Qingdao Agricultural University/Laboratory of Quality & Safety Risk Assessment for Fruit (Qingdao), Ministry of Agriculture and Rural Affairs/National Technology Centre for Whole Process Quality Control of FSEN Horticultural Products (Qingdao)/Qingdao Key Lab of Modern Agriculture Quality and Safety Engineering, Qingdao, China
| | - Saqib Farooq
- ZJU-Hangzhou Global Scientific and Technological Innovation Center, Hangzhou, China
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3
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Xiong Y, Huang J, Wu R, Geng X, Zuo H, Wang X, Xu L, Ai S. Exploring Surface-Enhanced Raman Spectroscopy (SERS) Characteristic Peaks Screening Methods for the Rapid Determination of Chlorpyrifos Residues in Rice. APPLIED SPECTROSCOPY 2023; 77:160-169. [PMID: 36368896 DOI: 10.1177/00037028221141728] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Surface-enhanced Raman spectroscopy (SERS), coupled with characteristic peak screening methods, was developed for analyzing chlorpyrifos (CM) pesticide residues in rice. Au nanoparticles (AuNPs) were prepared as Raman signal enhancement. Magnesium sulfate (MgSO4), primary secondary amine (PSA), and C18 were used to purify the rice extraction. A successive projections algorithm (SPA) was performed to identify the optimal characteristic peaks of CM in rice from full Raman spectroscopy. Support vector machine (SVM) and partial least squares (PLS) were implemented to investigate the quantitative analysis models. The results demonstrated that six Raman peaks such as 671, 834, 1016, 1114, 1436, and 1444 cm-1 were selected by the SPA and SVM models and had better performance using six peaks (only 0.92% of the full spectra variables) with R2p = 0.97, RMSEP = 2.89 and RPD = 4.26, and the experiment time for a sample was accomplished within 10 min. Recovery for five unknown concentration samples was 97.45-103.96%, and T-test results also displayed no obvious differences between the measured value and the predicted value. The study stated that SERS, combined with characteristic peak screening methods, can be applied to rapidly monitor the chlorpyrifos residue in rice.
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Affiliation(s)
- Yao Xiong
- College of Software, 91595Jiangxi Agricultural University, Nanchang, China
| | - Junshi Huang
- College of Engineering, 91595Jiangxi Agricultural University, Nanchang, China
| | - Ruimei Wu
- College of Engineering, 91595Jiangxi Agricultural University, Nanchang, China
| | - Xiang Geng
- College of Food Science and Engineering, 91595Jiangxi Agricultural University, Nanchang, China
| | - Haigen Zuo
- School of Chemistry and Food Science, 118322Nanchang Normal University, Nanchang, China
| | - Xu Wang
- College of Food Science and Engineering, 91595Jiangxi Agricultural University, Nanchang, China
| | - Lulu Xu
- College of Software, 91595Jiangxi Agricultural University, Nanchang, China
| | - Shirong Ai
- College of Software, 91595Jiangxi Agricultural University, Nanchang, China
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4
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Yan Y, Lu J, Nie Y, Li C, Chen S, Xu Y. Characterization of volatile thiols in Chinese liquor (Baijiu) by ultraperformance liquid chromatography-mass spectrometry and ultraperformance liquid chromatography-quadrupole-time-of-flight mass spectrometry. Front Nutr 2022; 9:1022600. [PMID: 36263305 PMCID: PMC9574356 DOI: 10.3389/fnut.2022.1022600] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2022] [Accepted: 09/08/2022] [Indexed: 11/24/2022] Open
Abstract
Volatile thiols give a unique flavor to foods and they have been extensively studied due to their effects on sensory properties. The analytical assay of volatile thiols in food is hindered by the complexity of the matrix, and by both their high reactivity and their typically low concentrations. A new ultraperformance liquid chromatography (UPLC) strategy has been developed for the identification and quantification of volatile thiols in Chinese liquor (Baijiu). 4,4’-Dithiodipyridine reacted rapidly with eight known thiols to form derivatives, which provided a diagnostic fragment ion (m/z 143.5) for tandem mass spectrometry (MS/MS). To screen for new thiols, Baijiu samples were analyzed by means of UPLC–MS/MS screening for compounds exhibiting the diagnostic fragment ion (m/z X→143.5). New peaks with precursor ions of m/z 244, 200 and 214 were detected. Using UPLC with quadrupole-time-of-flight mass spectrometry (UPLC–Q-TOF–MS) and authentic standards, ethyl 2-mercaptoacetate, 1-butanethiol, and 1-pentanethiol were identified in Baijiu for the first time. Commercial Baijiu samples were analyzed with the new method and the distribution of 11 thiols was revealed in different Baijiu aroma-types. The aroma contribution of these thiols was evaluated by their odoractivity values (OAVs), with the result that 7 of 11 volatile thiols had OAVs > 1. In particular, methanethiol, 2-furfurylthiol, and 2-methyl-3-furanthiol had relatively high OAVs, indicating that they contribute significantly to the aroma profile of Baijiu.
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Affiliation(s)
- Yan Yan
- School of Liquor and Food Engineering, Guizhou University, Guiyang, China,Laboratory of Brewing Microbiology and Applied Enzymology, Key Laboratory of Industrial Biotechnology of Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, China
| | - Jun Lu
- Guizhou Guotai Liquor Group Co., Ltd., Renhuai, China
| | - Yao Nie
- Laboratory of Brewing Microbiology and Applied Enzymology, Key Laboratory of Industrial Biotechnology of Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, China
| | - Changwen Li
- Guizhou Guotai Liquor Group Co., Ltd., Renhuai, China
| | - Shuang Chen
- Laboratory of Brewing Microbiology and Applied Enzymology, Key Laboratory of Industrial Biotechnology of Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, China,*Correspondence: Shuang Chen,
| | - Yan Xu
- Laboratory of Brewing Microbiology and Applied Enzymology, Key Laboratory of Industrial Biotechnology of Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, China
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5
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Tian H, Feng Y, Yang X, Li S, Pang C, Ma C. Development of a new and facile method for determination of chlorpyrifos residues in green tea by dispersive liquid-liquid microextraction. Sci Rep 2022; 12:15542. [PMID: 36109661 PMCID: PMC9477813 DOI: 10.1038/s41598-022-20021-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Accepted: 09/07/2022] [Indexed: 11/21/2022] Open
Abstract
In this work a simple, rapid, and environmentally friendly method has been established for the determination of chlorpyrifos residue in green tea by dispersive liquid-liquid microextraction and gas chromatography-flame photometric detection. Some experimental parameters that influence extraction efficiency, such as the kind and volume of disperser solvents and extraction solvents, extraction time, addition of salt and pH, were investigated. And the optimal experimental conditions were obtained, quantitative analysis was carried out using external standard method. The correlation coefficient of the calibration curves was 0.999 with in 0.05 mg/kg to 5 mg/kg. The results showed that under the optimum conditions, the enrichment factors of the chlorpyrifos was about 554.51, the recoveries for standard addition fell in the range from 91.94 to 104.70% and the relative standard deviations was 4.61%. The limit of quantification of chlorpyrifos in green tea was 0.02 μg/mL at the signal/noise ratio of 3.
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Affiliation(s)
- Hai Tian
- Analysis and Testing Center, Chinese Academy of Tropical Agricultural Science & Hainan Provincial Key Laboratory of Quality and Safety for Tropical Fruits and Vegetables, Haikou, China
| | - Yujie Feng
- Institute of Plant Protection, Ministry of Agriculture, Hainan Academy of Agricultural Science & Scientific Observation and Experiment Station of Crop Pests in HaiKou, Haikou, China.
| | - Xinfeng Yang
- Analysis and Testing Center, Chinese Academy of Tropical Agricultural Science & Hainan Provincial Key Laboratory of Quality and Safety for Tropical Fruits and Vegetables, Haikou, China
| | - Shuhuai Li
- Analysis and Testing Center, Chinese Academy of Tropical Agricultural Science & Hainan Provincial Key Laboratory of Quality and Safety for Tropical Fruits and Vegetables, Haikou, China
| | - Chaohai Pang
- Analysis and Testing Center, Chinese Academy of Tropical Agricultural Science & Hainan Provincial Key Laboratory of Quality and Safety for Tropical Fruits and Vegetables, Haikou, China
| | - Chen Ma
- Analysis and Testing Center, Chinese Academy of Tropical Agricultural Science & Hainan Provincial Key Laboratory of Quality and Safety for Tropical Fruits and Vegetables, Haikou, China
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6
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Muehlwald S, Meyburg N, Rohn S, Buchner N. A Comparison between a Two-Dimensional Liquid Chromatography System and a Traditional QuEChERS-LC Method with Regard to Matrix Removal and Matrix Effects in Pesticide Analysis Using Time-of-Flight Mass Spectrometry. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2021; 69:15005-15019. [PMID: 34855392 DOI: 10.1021/acs.jafc.1c05199] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
In this study, a fully automated two-dimensional liquid chromatography (2D-LC) system was used for the investigation of the clean-up effect and was compared with a traditional Quick Easy Cheap Effective Rugged and Safe (QuEChERS) liquid chromatography (LC) method. The focus of those investigations was on negative electrospray ionization (ESI) mode. For that purpose, matrix fingerprinting profiles were created. The results allowed a comparison of both methods regarding the estimation of the number and the polarity of detected compounds. Moreover, the results of the present study were compared with the results generated in positive ESI mode (presented in a previous study). Furthermore, the two methods were compared with regard to matrix effects (ME) of 321 analytes in positive ESI mode and 96 analytes in negative ESI mode. In general, fewer compounds could be detected when 2D-LC and/or the negative ESI mode was used. Especially, very polar compounds with m/z values >1000 could be separated and could not be detected anymore when 2D-LC was applied. Furthermore, the best results were obtained for most analytes when 2D-LC was used, although the extent of ME seemed to be higher with 2D-LC.
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Affiliation(s)
- Sandra Muehlwald
- Federal Office of Consumer Protection and Food Safety, Mauerstraße 39-42, 10117 Berlin, Germany
- Institute of Food Technology and Food Chemistry, Department of Food Chemistry and Analysis, Technische Universität Berlin, TIB 4/3-1, Gustav-Meyer-Allee 25, 13355 Berlin, Germany
| | - Nina Meyburg
- Federal Office of Consumer Protection and Food Safety, Mauerstraße 39-42, 10117 Berlin, Germany
| | - Sascha Rohn
- Institute of Food Technology and Food Chemistry, Department of Food Chemistry and Analysis, Technische Universität Berlin, TIB 4/3-1, Gustav-Meyer-Allee 25, 13355 Berlin, Germany
| | - Nadja Buchner
- Federal Office of Consumer Protection and Food Safety, Mauerstraße 39-42, 10117 Berlin, Germany
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7
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Yagishita M, Kubo T, Otsuka K, Nakayama SF, Nakajima D. Development of a database strategy based on liquid chromatography–quadrupole time‐of‐flight mass spectrometry for the screening of 75 estrogenic chemicals from treated sewage effluent. SEPARATION SCIENCE PLUS 2021. [DOI: 10.1002/sscp.202100015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
| | - Takuya Kubo
- Kyoto University, Katsura Nishikyo‐ku Kyoto Japan
| | - Koji Otsuka
- Kyoto University, Katsura Nishikyo‐ku Kyoto Japan
| | | | - Daisuke Nakajima
- National Institute for Environmental Studies Tsukuba Ibaraki Japan
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8
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Determination and dietary risk assessment of 284 pesticide residues in local fruit cultivars in Shanghai, China. Sci Rep 2021; 11:9681. [PMID: 33958696 PMCID: PMC8102495 DOI: 10.1038/s41598-021-89204-5] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2021] [Accepted: 04/22/2021] [Indexed: 11/29/2022] Open
Abstract
The presence of pesticide residues has become one of the main risk factors affecting the safety and quality of agro-food. In this study, a multi-residue method for the analysis of 284 pesticides in five local fruit cultivars in Shanghai was developed based on ultrahigh-performance liquid chromatography-quadrupole time-of-flight mass spectrometry (UPLC-QTOF/MS). The limits of determination and the limits of quantitation of pesticides were 0.6–10 and 2–30 μg/kg, respectively. A total of 44, 10, 10, 18, and 7 pesticides were detected in strawberries, watermelons, melons, peaches, and grapes, respectively. The pesticide levels in 95.0% of the samples were below the maximum residual limits (MRLs) prescribed by China, and in 66.2% of the samples below the EU MRLs. The dietary risk assessment study showed big differences in the chronic and acute exposure risk values among different Chinese consumer groups. Through fruit consumption, children/females showed higher exposure risks than adults/males. But both the risk values were less than 100%, indicating that potential dietary risk induced by the pesticides was not significant for Chinese consumers. Nevertheless, certain measures are needed for both growers and the government in order to decrease the MRL-exceeding rate of pesticide residues and ensure the quality and safety of fruits for consumers.
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9
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Zhu X, Li W, Wu R, Liu P, Hu X, Xu L, Xiong Z, Wen Y, Ai S. Rapid detection of chlorpyrifos pesticide residue in tea using surface-enhanced Raman spectroscopy combined with chemometrics. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2021; 250:119366. [PMID: 33401181 DOI: 10.1016/j.saa.2020.119366] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/30/2020] [Revised: 12/17/2020] [Accepted: 12/18/2020] [Indexed: 05/08/2023]
Abstract
Surface enhanced Raman spectroscopy based on rapid pretreatment combined with Chemometrics was used to determine chlorpyrifos residue in tea. Au nanoparticles were used to as enhance substrate. Different dosages of PSA and NBC were investigated to eliminate the tea substrate influence. Competitive adaptive reweighted sampling (CARS) was used to optimize the characteristic peaks, and compared to full spectra variables and the experiment selected variables. The results showed that PSA of 80 mg and NBC of 20 mg was an excellent approach for rapid detecting. CARS - PLS had better accuracy and stability using only 1.7% of full spectra variables. SVM model achieved better performance with R2p = 0.981, RMSEP = 1.42 and RPD = 6.78. Recoveries for five unknown concentration samples were 98.47 ~ 105.18% with RSD - 1.53% ~ 5.18%. T-test results showed that t value was 0.720, less than t0.05,4 = 2.776, demonstrating that no clear difference between the real value and predicted value. The detection time of a single sample is completed within 15 min. This study demonstrated that SERS coupled with Chemometrics and QuEChERS may be employed to rapidly examine the chlorpyrifos residue in tea towards its quality and safety monitoring.
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Affiliation(s)
- Xiaoyu Zhu
- College of Food Science and Engineering, Jiangxi Agricultural University, Nanchang 330045, People's Republic of China
| | - Wenjin Li
- Jiangxi Sericulture and Tea Research Institute, Nanchang 330043, China; Jiangxi Key Laboratory of Tea Quality and Safety Control, Nanchang 330043, China
| | - Ruimei Wu
- College of Engineering, Jiangxi Agricultural University, Nanchang 330045, People's Republic of China
| | - Peng Liu
- College of Engineering, Jiangxi Agricultural University, Nanchang 330045, People's Republic of China
| | - Xiao Hu
- College of software, Jiangxi Agricultural University, Nanchang 330045, People's Republic of China
| | - Lulu Xu
- College of software, Jiangxi Agricultural University, Nanchang 330045, People's Republic of China
| | - Zhengwu Xiong
- College of software, Jiangxi Agricultural University, Nanchang 330045, People's Republic of China
| | - Yangping Wen
- Institute of Functional Materials and Agricultural Applied Chemistry, Jiangxi Agricultural University, Nanchang 330045, People's Republic of China
| | - Shirong Ai
- College of software, Jiangxi Agricultural University, Nanchang 330045, People's Republic of China.
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10
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The application of in-source fragmentation in ultra-high performance liquid chromatography-electrospray ionization -tandem mass spectrometry for pesticide residue analysis. J Chromatogr A 2020; 1633:461637. [DOI: 10.1016/j.chroma.2020.461637] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2020] [Revised: 09/30/2020] [Accepted: 10/20/2020] [Indexed: 01/14/2023]
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11
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Dikmen Y, Güleryüz A, Metin B, Bodur S, Öner M, Bakırdere S. A novel and rapid extraction protocol for sensitive and accurate determination of prochloraz in orange juice samples: Vortex-assisted spraying-based fine droplet formation liquid-phase microextraction before gas chromatography-mass spectrometry. JOURNAL OF MASS SPECTROMETRY : JMS 2020; 55:e4622. [PMID: 33210452 DOI: 10.1002/jms.4622] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/14/2020] [Revised: 07/06/2020] [Accepted: 07/08/2020] [Indexed: 06/11/2023]
Abstract
A novel, ecofriendly, and easy extraction and preconcentration method named as vortex-assisted spraying-based fine droplet formation liquid-phase microextraction was proposed for the determination of prochloraz at trace levels in orange juice samples by gas chromatography-mass spectrometry (GC-MS). In this novel system, extraction solvent is dispersed by the help of spraying apparatus instead of dispersive solvent. Various parameters of the method were carefully optimized to increase signal-to-noise ratio of the analyte. Under the optimum chromatographic and extraction conditions, limit of detection and limit of quantification were calculated as 3.2 and 10.8 μg/kg, respectively. Moreover, enhancement in quantification power for the GC-MS system was determined as 372 folds based on LOQ comparison. Relative recovery results for orange juice samples were found to be between 95.0-107.7% by utilizing matrix matching calibration. Furthermore, the developed method may be used to efficiently and simply extract other organic compounds for their determinations in several matrices.
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Affiliation(s)
- Yaren Dikmen
- Faculty of Art and Science, Department of Chemistry, Yıldız Technical University, Davutpasa, Esenler, İstanbul, 34220, Turkey
| | - Aybüke Güleryüz
- Faculty of Art and Science, Department of Chemistry, Yıldız Technical University, Davutpasa, Esenler, İstanbul, 34220, Turkey
| | - Berfin Metin
- Faculty of Art and Science, Department of Chemistry, Yıldız Technical University, Davutpasa, Esenler, İstanbul, 34220, Turkey
| | - Süleyman Bodur
- Faculty of Art and Science, Department of Chemistry, Yıldız Technical University, Davutpasa, Esenler, İstanbul, 34220, Turkey
| | - Miray Öner
- Faculty of Art and Science, Department of Chemistry, Yıldız Technical University, Davutpasa, Esenler, İstanbul, 34220, Turkey
| | - Sezgin Bakırdere
- Faculty of Art and Science, Department of Chemistry, Yıldız Technical University, Davutpasa, Esenler, İstanbul, 34220, Turkey
- Turkish Academy of Sciences (TÜBA), Piyade Street, No: 27, Çankaya, Ankara, 06690, Turkey
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12
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Muehlwald S, Meyburg N, Rohn S, Buchner N. Comparing a two-dimensional liquid chromatography with a quick, easy, cheap, effective, rugged, and safe protocol-based liquid chromatography method for matrix removal in pesticide analysis using time-of-flight mass spectrometry. J Chromatogr A 2020; 1623:461153. [PMID: 32505272 DOI: 10.1016/j.chroma.2020.461153] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2020] [Revised: 04/18/2020] [Accepted: 04/20/2020] [Indexed: 10/24/2022]
Abstract
In this study, a clean-up approach using a two-dimensional liquid chromatography (2D-LC) consisting of a hydrophilic interaction liquid chromatography column and a reversed phase column was investigated. A fully automated 2D-LC system was used and compared with a traditional quick, easy, cheap, effective, rugged, and safe (QuEChERS) liquid chromatography (QuE-LC) method. The comparison was based on the results of a validation of selected analytes. It was investigated whether the detectability of analytes could be improved by the use of the 2D-LC. On the basis of these results, the relative detection rates were determined for every matrix. By means of those detection rates, the matrices were categorized regarding their complexity. Furthermore, the applicability of the 2D-LC was tested by participation in the European Proficiency Test in Fruits and Vegetables Screening Methods. In order to evaluate the separation and the elution profile of matrix components, multivariate data analysis was applied. For this purpose, ten matrices were processed in accordance to a QuEChERS protocol and the protocol for 2D-LC analysis. Moreover, the reagent blanks of the corresponding matrix were processed and analyzed by QuE-LC and 2D-LC. The results allowed evaluating the number of detected compounds for both methods. Additionally, the influence of compounds originating from reagent blanks can be estimated. In general, less compounds could be detected when 2D-LC was used. Especially, these were very polar compounds and compounds with m/z values >1500. These compounds seem to originate primarily from the used reagents especially from the citrate salts. However, the most of these compounds could be separated and were not detectable any more when 2D-LC was used. The results of the comparison based on validation and participation in the European Proficiency Test also show a better detectability for the most analytes with 2D-LC.
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Affiliation(s)
- Sandra Muehlwald
- Federal Office of Consumer Protection and Food Safety, Mauerstraße 39-42, 10117 Berlin, Germany.
| | - Nina Meyburg
- Federal Office of Consumer Protection and Food Safety, Mauerstraße 39-42, 10117 Berlin, Germany
| | - Sascha Rohn
- University of Hamburg, Hamburg School of Food Science, Institute of Food Chemistry, Grindelallee 117, 20146 Hamburg, Germany
| | - Nadja Buchner
- Federal Office of Consumer Protection and Food Safety, Mauerstraße 39-42, 10117 Berlin, Germany
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13
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Song NE, Yoo M, Nam TG. Multi-residue analysis of 203 pesticides in strawberries by liquid chromatography tandem mass spectrometry in combination with the QuEChERS method. CYTA - JOURNAL OF FOOD 2019. [DOI: 10.1080/19476337.2019.1680579] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Affiliation(s)
- Nho-Eul Song
- Food Analysis Center, Korea Food Research Institute, Wanju, Republic of Korea
| | - Miyoung Yoo
- Food Analysis Center, Korea Food Research Institute, Wanju, Republic of Korea
| | - Tae Gyu Nam
- Food Analysis Center, Korea Food Research Institute, Wanju, Republic of Korea
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14
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He Z, Xu Y, Zhang Y, Liu B, Liu X. On the Use of In-Source Fragmentation in Ultrahigh-Performance Liquid Chromatography-Electrospray Ionization-High-Resolution Mass Spectrometry for Pesticide Residue Analysis. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2019; 67:10800-10812. [PMID: 31490681 DOI: 10.1021/acs.jafc.9b04583] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
In this work, a highly efficient pesticide residue screening and quantification method was established using ultrahigh-performance liquid chromatography-tandem quadrupole time-of-flight mass spectrometry based on in-source fragmentation. Over 400 pesticides were tested, among which 96 pesticides displayed in-source fragmentation. A novel concept of in-source fragment fraction was proposed to evaluate the extent of in-source fragmentation, which was found to be chemical structure- and source parameter-dependent. A high-resolution MS/MS library containing 403 pesticides and 126 fragments was created and was applied for library searching of pesticide residues in vegetables and fruits. The introduction of in-source fragments effectively circumvented misannotation and occurrence of false negatives. The quantification ability for the fragments was validated in terms of recovery, linearity, and limit of quantification and its superiority to the parent pesticides was established. Finally, the proposed method was applied for the analysis of real samples and proficiency test samples, and false negative results were successfully avoided in the analysis.
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Affiliation(s)
- Zeying He
- Key Laboratory for Environmental Factors Control of Agro-product Quality Safety , Ministry of Agriculture, Agro-Environmental Protection Institute, Ministry of Agriculture and Rural Affairs , Tianjin 300191 , P. R. China
| | - Yaping Xu
- Key Laboratory for Environmental Factors Control of Agro-product Quality Safety , Ministry of Agriculture, Agro-Environmental Protection Institute, Ministry of Agriculture and Rural Affairs , Tianjin 300191 , P. R. China
| | - Yanwei Zhang
- Key Laboratory for Environmental Factors Control of Agro-product Quality Safety , Ministry of Agriculture, Agro-Environmental Protection Institute, Ministry of Agriculture and Rural Affairs , Tianjin 300191 , P. R. China
| | - Bingjie Liu
- SCIEX, Analytical Instrument Trading Company, Limited , Beijing 100015 , China
| | - Xiaowei Liu
- Key Laboratory for Environmental Factors Control of Agro-product Quality Safety , Ministry of Agriculture, Agro-Environmental Protection Institute, Ministry of Agriculture and Rural Affairs , Tianjin 300191 , P. R. China
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15
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Screening 89 Pesticides in Fishery Drugs by Ultrahigh Performance Liquid Chromatography Tandem Quadrupole-Orbitrap Mass Spectrometer. Molecules 2019; 24:molecules24183375. [PMID: 31533222 PMCID: PMC6767809 DOI: 10.3390/molecules24183375] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2019] [Revised: 09/10/2019] [Accepted: 09/12/2019] [Indexed: 12/13/2022] Open
Abstract
Multiclass screening of drugs with high resolution mass spectrometry is of great interest due to its high time-efficiency and excellent accuracy. A high-scale, fast screening method for pesticides in fishery drugs was established based on ultrahigh performance liquid chromatography tandem quadrupole-Orbitrap high-resolution mass spectrometer. The target compounds - were diluted in methanol and extracted by ultrasonic treatment, and the extracts were diluted with MeOH-water (1:1, v/v) and centrifuged to remove impurities. The chromatographic separation was performed on an Accucore aQ-MS column (100 mm × 2.1 mm, 2.6 μm) with gradient elution using 0.1% formic acid in water (containing 5 mmol/L ammonium formate) and 0.1% formic acid in methanol (containing 5 mmol/L ammonium formate) in Full Scan/dd-MS2 (TopN) scan mode. A screening database, including mass spectrometric and chromatographic information, was established for identification of compounds. The screening detection limits of methods ranged between 1–500 mg/kg, the recoveries of real samples spiked with the concentration of 10 mg/kg and 100 mg/kg standard mixture ranged from 70% to 110% for more than sixty compounds, and the relative standard deviations (RSDs) were less than 20%. The application of this method showed that target pesticides were screened out in 10 samples out of 21 practical samples, in which the banned pesticide chlorpyrifos were detected in 3 out of the 10 samples.
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16
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Muehlwald S, Rohn S, Buchner N. Evaluating the applicability of a two-dimensional liquid chromatography system for a pesticide multi-screening method. J Chromatogr A 2019; 1599:95-107. [DOI: 10.1016/j.chroma.2019.04.003] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2019] [Revised: 03/29/2019] [Accepted: 04/02/2019] [Indexed: 11/25/2022]
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17
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Teng M, Zhao F, Zhou Y, Yan S, Tian S, Yan J, Meng Z, Bi S, Wang C. Effect of Propiconazole on the Lipid Metabolism of Zebrafish Embryos ( Danio rerio). JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2019; 67:4623-4631. [PMID: 30950260 DOI: 10.1021/acs.jafc.9b00449] [Citation(s) in RCA: 49] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Propiconazole is a triazole fungicide that has been widely used in agriculture and has been detected in the aquatic environment. This study aimed to investigate the effects of propiconazole exposure on lipid metabolism in the early life stages of zebrafish for 120 h postfertilization (hpf). Using the early life stages of zebrafish to address scientific questions is lower in cost, more efficient, and suitable to meeting current legislation than those in other traditional fish species. Exposure to propiconazole significantly inhibited the development of zebrafish embryos and larvae. This exposure also caused reduced locomotor activities in zebrafish. Furthermore, total cholesterol levels, lipoprotein lipase, and fatty acid synthase activities were significantly decreased. The expression levels of genes involved in lipid metabolism were significantly up-regulated in response to propiconazole exposure. GC-MS/MS analysis revealed that fatty acids were significantly decreased. Together, the findings indicate the potential environmental risks of propiconazole exposure in the aquatic ecosystem.
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Affiliation(s)
- Miaomiao Teng
- Department of Applied Chemistry, College of Science , China Agricultural University , Beijing 100193 , China
| | - Feng Zhao
- Department of Applied Chemistry, College of Science , China Agricultural University , Beijing 100193 , China
| | - Yimeng Zhou
- Department of Applied Chemistry, College of Science , China Agricultural University , Beijing 100193 , China
| | - Sen Yan
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Science , China Agricultural University , Beijing 100193 , China
| | - Sinuo Tian
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Science , China Agricultural University , Beijing 100193 , China
| | - Jin Yan
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Science , China Agricultural University , Beijing 100193 , China
| | - Zhiyuan Meng
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Science , China Agricultural University , Beijing 100193 , China
| | - Sheng Bi
- Department of Psychiatry and Behavioral Sciences , Johns Hopkins University School of Medicine, Baltimore , Maryland 21205 , United States
| | - Chengju Wang
- Department of Applied Chemistry, College of Science , China Agricultural University , Beijing 100193 , China
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