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Fuente-Ballesteros A, Jano A, Bernal J, Ares AM. Development and validation of an analytical methodology based on solvent extraction and gas chromatography for determining pesticides in royal jelly and propolis. Food Chem 2024; 437:137911. [PMID: 37948804 DOI: 10.1016/j.foodchem.2023.137911] [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: 07/26/2023] [Revised: 10/12/2023] [Accepted: 10/29/2023] [Indexed: 11/12/2023]
Abstract
We propose a new analytical methodology to determine seven pesticides (atrazine, chlorpyrifos, chlorfenvinphos, α-endosulfan, bromopropylate, coumaphos, and τ-fluvalinate) in royal jelly and propolis products using gas chromatography-mass spectrometry. Sample treatment, with minor modifications for propolis, consisted of a solvent extraction with a hexane and isopropanol mixture, and a further clean-up step. Meanwhile, chromatographic analysis (<25 min) was performed in a DB-5MS column under programmed temperature conditions. In all cases we validated the method in terms of selectivity, limits of detection (0.1-2.8 μg kg-1) and quantification (0.3-9.2 μg kg-1), linearity, matrix effect (<±20 %), trueness (recoveries between 93 % and 118 %), and precision (relative standard deviation < 11 %). All royal jelly liquid dietary supplements were positive for chlorfenvinphos and, in the case of one of them, for α-endosulfan; chlorfenvinphos was determined in some fresh royal jelly samples, and no pesticide residues were detected in the propolis samples analysed.
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Affiliation(s)
- Adrián Fuente-Ballesteros
- Analytical Chemistry Group (TESEA), I. U. CINQUIMA, Faculty of Sciences, University of Valladolid, 47011 Valladolid, Spain
| | - Ana Jano
- Analytical Chemistry Group (TESEA), I. U. CINQUIMA, Faculty of Sciences, University of Valladolid, 47011 Valladolid, Spain
| | - José Bernal
- Analytical Chemistry Group (TESEA), I. U. CINQUIMA, Faculty of Sciences, University of Valladolid, 47011 Valladolid, Spain
| | - Ana M Ares
- Analytical Chemistry Group (TESEA), I. U. CINQUIMA, Faculty of Sciences, University of Valladolid, 47011 Valladolid, Spain.
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2
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Poole CF. Sample preparation for planar chromatography. J Sep Sci 2023; 46:e2300071. [PMID: 36965178 DOI: 10.1002/jssc.202300071] [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: 01/31/2023] [Revised: 03/18/2023] [Accepted: 03/19/2023] [Indexed: 03/27/2023]
Abstract
High-performance thin-layer chromatography has favorable properties for high-throughput separations with a high matrix tolerance. Sample preparation, however, is sometimes required to control specific matrix interferences and to enhance the detectability of target compounds. Trends in contemporary applications have shifted from absorbance and fluorescence detection to methods employing bioassays and mass spectrometry. Traditional methods (shake-flask, heat at reflux, Soxhlet, and hydrodistillation) are being challenged by automated instrumental approaches (ultrasound-assisted and microwave-assisted solvent extraction, pressurized liquid extraction, and supercritical fluid extraction) and the quick, easy cheap, efficient, rugged, and safe extraction method for faster and streamlined sample processing. Liquid-liquid extraction remains the most widely used approach for sample clean-up with increasing competition from solid-phase extraction. On-layer sample, clean-up by planar solid-phase extraction is increasingly used for complex samples and in combination with heart-cut multimodal systems. The automated spray-on sample applicator, the elution head interface, biological detection of target and non-target compounds, and straightforward mass spectrometric detection are highlighted as the main factors directing current interest toward faster and simpler sample workflows, analysis of more complex samples, and the determination of minor contaminants requiring high concentration factors.
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Affiliation(s)
- Colin F Poole
- Department of Chemistry, Wayne State University, Detroit, Michigan, USA
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3
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Ri HC, Jon CS, Lu L, Piao X, Li D. A dynamic electromagnetic field assisted boronic acid-modified magnetic adsorbent on-line extraction of cis-diol-containing flavonoids from onion sample. J Food Compost Anal 2023. [DOI: 10.1016/j.jfca.2023.105279] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/17/2023]
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4
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Analytical methods for pesticide residues determination in propolis and propolis-based products. ACTA CHIMICA SLOVACA 2022. [DOI: 10.2478/acs-2022-0012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
Abstract
As a result of massive bee deaths in recent years, beekeeping is raising concerns about the presence of pesticides in propolis which is considered as a safe product. The paper is focused on the analysis of bee propolis and propolis-based products using various chromatographic techniques using mass spectrometry detection predominantly. An important part of the work is an overview concerning methods of sample preparation, extraction, and purification of extracts, followed by separation and detection techniques. Positive findings of contaminants and their concentrations in propolis samples and propolis products were evaluated. Sorption based techniques such as matrix solid phase dispersion and solvent-based extraction techniques are frequently applied for propolis analysis in connection with chromatographic techniques. Liquid-based extractions, such as the QuEChERS extraction technique (Quick, Easy, Cheap, Effective, Rugged, Safe), combine extraction by solvent with several ways of extract cleaning using combinations of salts and sorbents, primary secondary amine, MgSO4, NaCl, graphitized carbon, EMR-lipid, florisil, or octadecylsilane-modified silica gel. Other extraction techniques were reviewed. The most significant problem to be considered in pesticides detection is the topic of matrix effects, which have to be solved for each sample analysis with special care.
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Zhang Y, Zhou Y, Duan T, Li X. Determination of quintrione in rice, rice husk and rice straw and exploration of its dissipation from rice straw. JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH. PART. B, PESTICIDES, FOOD CONTAMINANTS, AND AGRICULTURAL WASTES 2021; 56:540-547. [PMID: 33979275 DOI: 10.1080/03601234.2021.1918486] [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: 06/12/2023]
Abstract
A rapid and sensitive method for the identification and quantification of quintrione residue in brown rice, rice husk, and rice straw matrices was developed and validated. Samples were extracted with acetonitrile, purified with octadecylsilane (C18) and graphitized carbon black (GCB) sorbents, and quantified using ultrahigh-performance liquid chromatography coupled with tandem mass spectrometry (UHPLC-MS/MS). The developed method exhibited excellent linearity (R2 ≥ 0.9988), and the limit of quantitation was 2 μg/kg in all matrices. The method also had outstanding trueness and recoveries (90.5-111.1%) at four spiked levels (2, 20, 200, and 2000 μg/kg) with intraday and interday precisions of 0.7-6.5% and 5.2-11.8%, respectively, in the three matrices. The applicability of the method was tested by determining the dissipation rate of quintrione in rice straw under field conditions, and the measured data fit the Hockey stick kinetic model with R2 values of 0.9349-0.9983. The half-lives of quintrione in rice straw ranged from 2.7 to 16.5 days. The results indicate that the method is effective and reliable for the detection of quintrione residue in rice paddy fields, and the dissipation data provide guidance for the safe application of quintrione.
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Affiliation(s)
- Ying Zhang
- College of Plant Protection, Hunan Agricultural University, Southern Regional Collaborative Innovation Center for Grain and Oil Crops, Changsha, China
- Institute of Plant Protection, Guizhou Academy of Agricultural Sciences, Guiyang, China
| | - Yong Zhou
- College of Plant Protection, Hunan Agricultural University, Southern Regional Collaborative Innovation Center for Grain and Oil Crops, Changsha, China
- Institute of Biotechnology, Hunan Academy of Agricultural Sciences, Changsha, China
| | - Tingting Duan
- Institute of Plant Protection, Guizhou Academy of Agricultural Sciences, Guiyang, China
| | - Xiaogang Li
- College of Plant Protection, Hunan Agricultural University, Southern Regional Collaborative Innovation Center for Grain and Oil Crops, Changsha, China
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6
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Determination of Neonicotinoid Pesticides in Propolis with Liquid Chromatography Coupled to Tandem Mass Spectrometry. Molecules 2020; 25:molecules25245870. [PMID: 33322588 PMCID: PMC7764281 DOI: 10.3390/molecules25245870] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2020] [Revised: 12/07/2020] [Accepted: 12/09/2020] [Indexed: 11/16/2022] Open
Abstract
In this study, a method was developed for the determination of five neonicotinoid pesticides (acetamiprid, clothianidin, imidacloprid, thiacloprid, and thiamethoxam) in propolis. Two sample preparation methods were tested: solid-phase extraction and the quick, easy, cheap, effective, rugged, and safe (QuEChERS) method. The identities of analytes were confirmed using liquid chromatography-tandem mass spectrometry (LC-MS/MS) in the selected reaction monitoring mode. Solid-phase extraction resulted in cleaner extracts; therefore, the SPE-LC-MS/MS method was validated according to the SANTE protocol in triplicate at two spiking levels (10 ng/g and 50 ng/g). The average recoveries of analytes ranged from 61% to 101%, except for clothianidin (10-20%). The LOD ranged from 0.2 ng/g to 4.4 ng/g, whereas the LOQ was in the range of 0.8 ng/g-14.7 ng/g. In order to compensate for the matrix effect, matrix-matched calibration was used. Good accuracy (relative error: 1.9-10.4%) and good linearity (R2 > 0.991) were obtained for all compounds. The optimised method was applied to 30 samples: 18 raw propolis and 12 ethanol tinctures. Acetamiprid, imidacloprid, and thiacloprid were detectable in seven samples but were still below the LOQ. This study is the first to report the determination of several neonicotinoid residues in propolis.
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Simsek I, Kuzukiran O, Yurdakok-Dikmen B, Snoj T, Filazi A. Determination of Persistent Organic Pollutants (POPs) in Propolis by Solid-Phase Extraction (SPE) and Gas Chromatography – Mass Spectrometry (GC-MS). ANAL LETT 2020. [DOI: 10.1080/00032719.2020.1821208] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Affiliation(s)
- Ilker Simsek
- Eldivan Vocational School of Health Services, Medical Services and Techniques Department, Cankiri Karatekin University, Eldivan, Cankiri, Turkey
| | - Ozgur Kuzukiran
- Eldivan Vocational School of Health Services, Veterinary Department, Cankiri Karatekin University, Eldivan, Cankiri, Turkey
| | | | - Tomaz Snoj
- Veterinary Faculty, Institute of Preclinical Sciences, University of Ljubljana, Ljubljana, Slovenia
| | - Ayhan Filazi
- Veterinary Faculty, Ziraat, University of Ankara, Altındağ, Ankara, Turkey
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8
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Wang X, Wang Z, Di S, Xue X, Jin Y, Qi P, Wang X, Han L, Xiao Y, Min S. Determination of 14 Lipophilic Pesticide Residues in Raw Propolis by Selective Sample Preparation and Gas Chromatography–Tandem Mass Spectrometry. FOOD ANAL METHOD 2020. [DOI: 10.1007/s12161-020-01712-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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9
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Murakami H, Tomita H, Aoyanagi T, Sugita T, Miki Y, Esaka Y, Inoue Y, Teshima N. Effects of pendant-like hydrophilic monomers on the adsorption properties of reversed-phase-type sorbents for solid-phase extraction. Anal Chim Acta 2019; 1075:106-111. [PMID: 31196415 DOI: 10.1016/j.aca.2019.05.019] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2019] [Revised: 04/26/2019] [Accepted: 05/09/2019] [Indexed: 10/26/2022]
Abstract
Solid-phase extraction (SPE) has been extensively employed as a pretreatment method. In SPE, reversed-phase-type sorbents have been widely applied for the pretreatment of environmental or biological samples. Hydrophilic-lipophilic balance (HLB)-type sorbents, constituting the copolymers used as reversed-phase-type sorbents, have been applied for various sample pretreatment methods. In HLB-type sorbents, the hydrophilic monomer contributes to the improved wettability of sorbents and increase of polar interactions. In this study, three pendant-like hydrophilic monomers, viz. N-vinylpyrrolidone (NVP), 4-acryloylmorpholine (AMO), and 4-vinyl-1,3-dioxolan-2-one (VDO), respectively, exhibiting different Log P values and possibly causing different polar interactions, were selected to improve the adsorption properties of polar compounds, and divinylbenzene (DVB)-based HLB-type sorbents containing each hydrophilic monomer were synthesized and examined. By the optimization of the molar ratio of DVB and the hydrophilic monomer (i.e. HLB), the inert diluent, and the degree of cross-linking, the developed sorbents exhibited higher recoveries for various polar compounds (viz. cytosine, uracil, cytidine, uridine, 2'-deoxycytidine, 2'-deoxyguanosine, adenine, thymidine, adenosine, and 2'-deoxyadenosine) compared to commercially available HLB-type sorbents.
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Affiliation(s)
- Hiroya Murakami
- Department of Applied Chemistry, Aichi Institute of Technology, 1247 Yachigusa, Yakusa-cho, Toyota, 470-0392, Japan
| | - Hiroki Tomita
- Department of Applied Chemistry, Aichi Institute of Technology, 1247 Yachigusa, Yakusa-cho, Toyota, 470-0392, Japan
| | - Takuya Aoyanagi
- Department of Applied Chemistry, Aichi Institute of Technology, 1247 Yachigusa, Yakusa-cho, Toyota, 470-0392, Japan
| | - Takashi Sugita
- Department of Applied Chemistry, Aichi Institute of Technology, 1247 Yachigusa, Yakusa-cho, Toyota, 470-0392, Japan
| | - Yuta Miki
- Department of Applied Chemistry, Aichi Institute of Technology, 1247 Yachigusa, Yakusa-cho, Toyota, 470-0392, Japan
| | - Yukihiro Esaka
- Gifu Pharmaceutical University, Daigaku-nishi, Gifu, 501-1196, Japan
| | - Yoshinori Inoue
- Department of Applied Chemistry, Aichi Institute of Technology, 1247 Yachigusa, Yakusa-cho, Toyota, 470-0392, Japan
| | - Norio Teshima
- Department of Applied Chemistry, Aichi Institute of Technology, 1247 Yachigusa, Yakusa-cho, Toyota, 470-0392, Japan.
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10
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Zhang Y, Wu X, Li X, Duan T, Xu J, Dong F, Liu X, Guo L, Zheng Y. A fast and sensitive ultra-high-performance liquid chromatography-tandem mass spectrometry method for determining mefentrifluconazole in plant- and animal-derived foods. Food Addit Contam Part A Chem Anal Control Expo Risk Assess 2019; 36:1348-1357. [DOI: 10.1080/19440049.2019.1628361] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Affiliation(s)
- Ying Zhang
- Institute of Plant Protection, Chinese Academy of Agricultural Sciences, State Key Laboratory for Biology of Plant Diseases and In t Pests, Key Laboratory of Control of Biological Hazard Factors (Plant Origin) for Agricultural product Quality and Safety, Ministry of Agriculture, Beijing, People’s Republic of China
- Institute of Plant Protection, Guizhou Academy of Agricultural Sciences, Guiyang, People’s Republic of China
| | - Xiaohu Wu
- Institute of Plant Protection, Chinese Academy of Agricultural Sciences, State Key Laboratory for Biology of Plant Diseases and In t Pests, Key Laboratory of Control of Biological Hazard Factors (Plant Origin) for Agricultural product Quality and Safety, Ministry of Agriculture, Beijing, People’s Republic of China
| | - Xianbin Li
- Institute for the Control of Agrochemicals, Ministry of Agriculture and Rural Affairs, Beijing, People’s Republic of China
| | - Tingting Duan
- Institute of Plant Protection, Guizhou Academy of Agricultural Sciences, Guiyang, People’s Republic of China
| | - Jun Xu
- Institute of Plant Protection, Chinese Academy of Agricultural Sciences, State Key Laboratory for Biology of Plant Diseases and In t Pests, Key Laboratory of Control of Biological Hazard Factors (Plant Origin) for Agricultural product Quality and Safety, Ministry of Agriculture, Beijing, People’s Republic of China
| | - Fengshou Dong
- Institute of Plant Protection, Chinese Academy of Agricultural Sciences, State Key Laboratory for Biology of Plant Diseases and In t Pests, Key Laboratory of Control of Biological Hazard Factors (Plant Origin) for Agricultural product Quality and Safety, Ministry of Agriculture, Beijing, People’s Republic of China
| | - Xingang Liu
- Institute of Plant Protection, Chinese Academy of Agricultural Sciences, State Key Laboratory for Biology of Plant Diseases and In t Pests, Key Laboratory of Control of Biological Hazard Factors (Plant Origin) for Agricultural product Quality and Safety, Ministry of Agriculture, Beijing, People’s Republic of China
| | - Luyao Guo
- Institute of Plant Protection, Chinese Academy of Agricultural Sciences, State Key Laboratory for Biology of Plant Diseases and In t Pests, Key Laboratory of Control of Biological Hazard Factors (Plant Origin) for Agricultural product Quality and Safety, Ministry of Agriculture, Beijing, People’s Republic of China
| | - Yongquan Zheng
- Institute of Plant Protection, Chinese Academy of Agricultural Sciences, State Key Laboratory for Biology of Plant Diseases and In t Pests, Key Laboratory of Control of Biological Hazard Factors (Plant Origin) for Agricultural product Quality and Safety, Ministry of Agriculture, Beijing, People’s Republic of China
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11
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Fabrication of N,N-dimethyldodecylamine functionalized magnetic adsorbent for efficient enrichment of flavonoids. Talanta 2019; 194:771-777. [DOI: 10.1016/j.talanta.2018.10.061] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2018] [Revised: 10/11/2018] [Accepted: 10/17/2018] [Indexed: 12/16/2022]
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12
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Zhang X, Song Y, Jia Q, Zhang L, Zhang W, Mu P, Jia Y, Qian Y, Qiu J. Simultaneous determination of 58 pesticides and relevant metabolites in eggs with a multi-functional filter by ultra-high performance liquid chromatography-tandem mass spectrometry. J Chromatogr A 2019; 1593:81-90. [PMID: 30738613 DOI: 10.1016/j.chroma.2019.01.074] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2018] [Revised: 01/17/2019] [Accepted: 01/28/2019] [Indexed: 11/17/2022]
Abstract
A sensitive method for the simultaneous determination of 58 pesticides and relevant metabolites in eggs was developed using ultra-high performance liquid chromatography-tandem mass spectrometry (UHPLC-MS/MS) after clean-up with a multi-functional filter (MFF) based on quick, easy, cheap, effective, rugged, and safe method (QuEChERS). The egg sample was extracted with 5 ml water and 10 ml 1% acetic acid in acetonitrile and then salt out with sodium chloride. The extracted solution was filtered directly through an MFF containing 50 mg PSA, 50 mg C18, and 150 mg magnesium sulphate before UHPLC-MS/MS analysis. The clean-up and filter procedures were integrated using the MFF to substantially improve the work efficiency. Good linearity was shown for each analyte, and all the correlation coefficients exceeded 0.99. The recoveries in the eggs at the five spiked levels were 74.4%-115.2%, and the relative standard deviations (RSDs) were less than 15.3%. The limit of detection (LOD) and the limit of quantitation (LOQ) of 58 pesticides and 8 metabolites in eggs were 0.1-1.0 μg/kg and 0.2-5.0 μg/kg, respectively. The decision limit (CCα) and detection capacity (CCβ) were 3.4-111.1 μg/kg and 6.8-122.1 μg/kg, respectively. This method has also been successfully applied in the determination of actual eggs samples. This developed method is more effective and faster in the monitoring of pesticide residue in eggs compared to the traditional analytical method.
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Affiliation(s)
- Xining Zhang
- Institute of Quality Standards and Testing Technology for Agro-Products, Key Laboratory of Agro-product Quality and Safety, Chinese Academy of Agricultural Sciences, Beijing, 100081, China; Key Laboratory of Agri-food Quality and Safety, Ministry of Agriculture, Beijing, 100081, China
| | - Yue Song
- Institute of Quality Standards and Testing Technology for Agro-Products, Key Laboratory of Agro-product Quality and Safety, Chinese Academy of Agricultural Sciences, Beijing, 100081, China; Key Laboratory of Agri-food Quality and Safety, Ministry of Agriculture, Beijing, 100081, China
| | - Qi Jia
- Institute of Quality Standards and Testing Technology for Agro-Products, Key Laboratory of Agro-product Quality and Safety, Chinese Academy of Agricultural Sciences, Beijing, 100081, China; Key Laboratory of Agri-food Quality and Safety, Ministry of Agriculture, Beijing, 100081, China
| | - Lin Zhang
- Institute of Quality Standards and Testing Technology for Agro-Products, Key Laboratory of Agro-product Quality and Safety, Chinese Academy of Agricultural Sciences, Beijing, 100081, China; Key Laboratory of Agri-food Quality and Safety, Ministry of Agriculture, Beijing, 100081, China
| | - Wei Zhang
- Institute of Quality Standards and Testing Technology for Agro-Products, Key Laboratory of Agro-product Quality and Safety, Chinese Academy of Agricultural Sciences, Beijing, 100081, China; Key Laboratory of Agri-food Quality and Safety, Ministry of Agriculture, Beijing, 100081, China
| | - Pengqian Mu
- China Asia Pacific Application Support Center, AB SCIEX, Shanghai, 200050, China
| | - Yanbo Jia
- China Asia Pacific Application Support Center, AB SCIEX, Shanghai, 200050, China
| | - Yongzhong Qian
- Institute of Quality Standards and Testing Technology for Agro-Products, Key Laboratory of Agro-product Quality and Safety, Chinese Academy of Agricultural Sciences, Beijing, 100081, China; Key Laboratory of Agri-food Quality and Safety, Ministry of Agriculture, Beijing, 100081, China
| | - Jing Qiu
- Institute of Quality Standards and Testing Technology for Agro-Products, Key Laboratory of Agro-product Quality and Safety, Chinese Academy of Agricultural Sciences, Beijing, 100081, China; Key Laboratory of Agri-food Quality and Safety, Ministry of Agriculture, Beijing, 100081, China.
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13
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A novel approach for simultaneous determination of E/Z-fluoxastrobins in vegetables and fruits by UHPLC-DAD. Food Control 2017. [DOI: 10.1016/j.foodcont.2017.02.041] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
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14
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Affiliation(s)
- Joseph Sherma
- Department of Chemistry, Lafayette College, Easton, Pennsylvania, USA
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15
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Fernández-Cruz T, Martínez-Carballo E, Simal-Gándara J. Optimization of selective pressurized liquid extraction of organic pollutants in placenta to evaluate prenatal exposure. J Chromatogr A 2017; 1495:1-11. [DOI: 10.1016/j.chroma.2017.03.010] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2016] [Revised: 02/16/2017] [Accepted: 03/06/2017] [Indexed: 11/29/2022]
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16
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Boufadi YM, Soubhye J, Nève J, Van Antwerpen P, Riazi A. Antimicrobial effects of six Algerian propolis extracts. Int J Food Sci Technol 2016. [DOI: 10.1111/ijfs.13247] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Yasmina Mokhtaria Boufadi
- Laboratory of Beneficial Microorganisms; Functional Food and Health (LMBAFS); Faculty of Natural Sciences and Life; Université de Abdelhamid Ibn Badis; Mostaganem Algeria
- Laboratory of Pharmaceutical Chemistry; Faculty of Pharmacy; Université Libre de Bruxelles; Brussels Belgium
| | - Jalal Soubhye
- Laboratory of Pharmaceutical Chemistry; Faculty of Pharmacy; Université Libre de Bruxelles; Brussels Belgium
| | - Jean Nève
- Laboratory of Pharmaceutical Chemistry; Faculty of Pharmacy; Université Libre de Bruxelles; Brussels Belgium
| | - Pierre Van Antwerpen
- Laboratory of Pharmaceutical Chemistry; Faculty of Pharmacy; Université Libre de Bruxelles; Brussels Belgium
- Analytical Platform of the Faculty of Pharmacy; Université Libre de Bruxelles; Brussels Belgium
| | - Ali Riazi
- Laboratory of Beneficial Microorganisms; Functional Food and Health (LMBAFS); Faculty of Natural Sciences and Life; Université de Abdelhamid Ibn Badis; Mostaganem Algeria
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