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Nascimento LES, Thapa B, Oliveira WDS, Rodrigues PR, Godoy HT, Anderson JL. Multivariate optimization for extraction of 2-methylimidazole and 4-methylimidazole from açaí-based food products using polymeric ionic liquid-based sorbent coatings in solid-phase microextraction coupled to gas chromatography-mass spectrometry. Food Chem 2024; 444:138593. [PMID: 38310774 DOI: 10.1016/j.foodchem.2024.138593] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2023] [Revised: 01/23/2024] [Accepted: 01/24/2024] [Indexed: 02/06/2024]
Abstract
In this study, polymeric ionic liquids featuring different functional moieties were applied as sorbent coatings in direct-immersion solid-phase microextraction (DI-SPME) for the extraction of 2-methylimidazole (2-MI) and 4-methylimidazole (4-MI) from açaí-based food products followed by gas chromatography-mass spectrometry (GC-MS) analysis. The analytical method was optimized using a sequential experimental design. Variables used in GC-MS such as desorption time, as well as for SPME-DI, including extraction time, extraction temperature, incubation time of extraction, amount of NaCl in the extract, and stirring rate, were optimized. The fitness-for-purpose of the method was verified by the linearity of matrix-matched calibration curves (R2 ≥ 0.9921), adequate recoveries (81.7-89.7 %), and precision (relative standard deviations ≤11.2 %). The method was applied to twenty-five samples of açaí-based food products. 4-MI was found in four samples whereas 2-MI was not detected above the limit of detection. The method was found to be suitable for quality control analysis.
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Affiliation(s)
- Luis Eduardo Silva Nascimento
- Department of Food Science and Nutrition, School of Food Engineering, University of Campinas (UNICAMP), Rua Monteiro Lobato, 80, 13083-862, Campinas, SP, Brazil; Department of Chemistry, Iowa State University, 2415 Osborn Drive, Ames, IA 50011, USA
| | - Bhawana Thapa
- Department of Chemistry, Iowa State University, 2415 Osborn Drive, Ames, IA 50011, USA
| | - Wellington da Silva Oliveira
- Reference Laboratory for Physical, Sensory and Statistics Analysis, Science and Food Quality Center, Institute of Food Technology (ITAL), Avenida Brasil 2880, 13070-178 Campinas, Sao Paulo, Brazil
| | - Plínio Ribeiro Rodrigues
- Department of Fundamental Chemistry, Institute of Chemistry, University of São Paulo (USP), Avenida Lineu Prestes, 748, 05508-000, Cidade Universitária, São Paulo, SP, Brazil
| | - Helena Teixeira Godoy
- Department of Food Science and Nutrition, School of Food Engineering, University of Campinas (UNICAMP), Rua Monteiro Lobato, 80, 13083-862, Campinas, SP, Brazil
| | - Jared L Anderson
- Department of Chemistry, Iowa State University, 2415 Osborn Drive, Ames, IA 50011, USA.
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Van Hoi B, Vu CT, Phung-Thi LA, Thi Nguyen T, Nguyen PT, Mai H, Le PT, Nguyen TH, Thanh Duong D, Nguyen Thi H, Le-Van D, Chu DB. Determination of Pharmaceutical Residues by UPLC-MS/MS Method: Validation and Application on Surface Water and Hospital Wastewater. JOURNAL OF ANALYTICAL METHODS IN CHEMISTRY 2021; 2021:6628285. [PMID: 33505763 PMCID: PMC7811430 DOI: 10.1155/2021/6628285] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/13/2020] [Revised: 11/24/2020] [Accepted: 12/16/2020] [Indexed: 06/12/2023]
Abstract
In this study, an analytical method for the simultaneous determination of 7 major pharmaceutical residues in Vietnam, namely, carbamazepine, ciprofloxacin, ofloxacin, ketoprofen, paracetamol, sulfamethoxazole, and trimethoprim, in surface water and hospital wastewater has been developed. The method includes enrichment and clean-up steps by solid phase extraction using mix-mode cation exchange, followed by identification and quantification using an ultrahigh-performance liquid chromatography and tandem mass spectrometry and employing electrospray ionization (UPLC-ESI-MS/MS). Seven target compounds were separated on the reversed phase column and detected in multiple reaction monitoring (MRM) mode within 6 minutes. The present study also optimized the operating parameters of the mass spectrometer to achieve the highest analytical signals for all target compounds. All characteristic parameters of the analytical method were investigated, including linearity range, limit of detection, limit of quantification, precision, and accuracy. The important parameter in UPLC-ESI-MS/MS, matrix effect, was assessed and implemented via preextraction and postextraction spiking experiments. The overall recoveries of all target compounds were in the ranges from 55% to 109% and 56 % to 115% for surface water and hospital wastewater, respectively. Detection limits for surface water and hospital wastewater were 0.005-0.015 µg L-1 and 0.014-0.123 µg L-1, respectively. The sensitivity of the developed method was allowed for determination of target compounds at trace level in environmental water samples. The in-house validation of the developed method was performed by spiking experiment in both the surface water and hospital wastewater matrix. The method was then applied to analyze several surface water and hospital wastewater samples taken from West Lake and some hospitals in Vietnam, where the level of these pharmaceutical product residues was still missed. Sulfamethoxazole was present at a high detection frequency in both surface water (33% of analyzed samples) and hospital wastewater (81% of analyzed samples) samples.
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Affiliation(s)
- Bui Van Hoi
- Department of Water–Environment-Oceanography, University of Science and Technology of Hanoi (USTH), Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Hanoi 100000, Vietnam
| | - Cam-Tu Vu
- Department of Water–Environment-Oceanography, University of Science and Technology of Hanoi (USTH), Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Hanoi 100000, Vietnam
| | - Lan-Anh Phung-Thi
- School of Environmental Science and Technology, Hanoi University of Science and Technology, No. 1 Dai Co Viet, Hanoi 100000, Vietnam
| | - Thao Thi Nguyen
- School of Environmental Science and Technology, Hanoi University of Science and Technology, No. 1 Dai Co Viet, Hanoi 100000, Vietnam
| | - Phuong Thanh Nguyen
- FPT University, Hoa Lac High Tech Park, Km 29 Thang Long Boulevard, Thach That, Hanoi 100000, Vietnam
| | - Huong Mai
- Department of Water–Environment-Oceanography, University of Science and Technology of Hanoi (USTH), Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Hanoi 100000, Vietnam
| | - Phuong-Thu Le
- Department of Water–Environment-Oceanography, University of Science and Technology of Hanoi (USTH), Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Hanoi 100000, Vietnam
| | - Thanh-Hien Nguyen
- Department of Water–Environment-Oceanography, University of Science and Technology of Hanoi (USTH), Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Hanoi 100000, Vietnam
| | - Dao Thanh Duong
- Department of Water–Environment-Oceanography, University of Science and Technology of Hanoi (USTH), Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Hanoi 100000, Vietnam
| | - Hue Nguyen Thi
- Institute of Environmental Technology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Hanoi 100000, Vietnam
| | - Dung Le-Van
- Department of Chemistry, Vietnam Military Medical University, 160 Phung Hung, Ha Dong, Hanoi 100000, Vietnam
| | - Dinh Binh Chu
- School of Chemical Engineering, Hanoi University of Science and Technology, No. 1 Dai Co Viet, Hanoi 100000, Vietnam
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Jinadasa BKKK, Monteau F, Morais S. Critical review of micro-extraction techniques used in the determination of polycyclic aromatic hydrocarbons in biological, environmental and food samples. Food Addit Contam Part A Chem Anal Control Expo Risk Assess 2020; 37:1004-1026. [PMID: 32186468 DOI: 10.1080/19440049.2020.1733103] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Polycyclic Aromatic Hydrocarbons (PAHs) are ubiquitous environmental contaminants and their accurate determination is very important to human health and environment safety. In this review, sorptive-based micro-extraction techniques [such as Solid-Phase Micro-extraction (SPME), Stir Bar Sorptive Extraction (SBSE), Micro-extraction in Packed Sorbent (MEPS)] and solvent-based micro-extraction [Membrane-Mediated Liquid-Phase Micro-extraction (MM-LPME), Dispersive Liquid-Liquid Micro-extraction (DLLME), and Single Drop Micro-extraction (SDME)] developed for quantification of PAHs in environmental, biological and food samples are reviewed. Moreover, recent micro-extraction techniques that have been coupled with other sample extraction strategies are also briefly discussed. The main objectives of these micro-extraction techniques are to perform extraction, pre-concentration and clean up together as one step, and the reduction of the analysis time, cost and solvent following the green chemistry guidelines.
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Affiliation(s)
- B K K K Jinadasa
- Laboratoire D'étude Des Résidus Et Contaminants Dans Les Aliments (LABERCA), Nantes-Atlantic National College of Veterinary Medicine, Food Science, and Engineering (ONIRIS) , Nantes, France
| | - Fabrice Monteau
- Laboratoire D'étude Des Résidus Et Contaminants Dans Les Aliments (LABERCA), Nantes-Atlantic National College of Veterinary Medicine, Food Science, and Engineering (ONIRIS) , Nantes, France
| | - Simone Morais
- REQUIMTE-LAQV, Instituto Superior De Engenharia Do Porto, Instituto Politécnico Do Porto , Porto, Portugal
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