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Chen X, Zhao C, Zhao Q, Yang Y, Yang S, Zhang R, Wang Y, Wang K, Qian J, Long L. Construction of a Colorimetric and Near-Infrared Ratiometric Fluorescent Sensor and Portable Sensing System for On-Site Quantitative Measurement of Sulfite in Food. Foods 2024; 13:1758. [PMID: 38890986 PMCID: PMC11171829 DOI: 10.3390/foods13111758] [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: 05/09/2024] [Revised: 05/30/2024] [Accepted: 06/03/2024] [Indexed: 06/20/2024] Open
Abstract
Sulfites play imperative roles in food crops and food products, serving as sulfur nutrients for food crops and as food additives in various foods. It is necessary to develop an effective method for the on-site quantification of sulfites in food samples. Here, 7-(diethylamino) quinoline is used as a fluorescent group and electron donor, alongside the pyridinium salt group as an electron acceptor and the C=C bond as the sulfite-specific recognition group. We present a novel fluorescent sensor based on a mechanism that modulates the efficiency of intramolecular charge transfer (ICT), CY, for on-site quantitative measurement of sulfite in food. The fluorescent sensor itself exhibited fluorescence in the near-infrared light (NIR) region, effectively minimizing the interference of background fluorescence in food samples. Upon exposure to sulfite, the sensor CY displayed a ratiometric fluorescence response (I447/I692) with a high sensitivity (LOD = 0.061 μM), enabling accurate quantitative measurements in complex food environments. Moreover, sensor CY also displayed a colorimetric response to sulfite, making sensor CY measure sulfite in both fluorescence and colorimetric dual-signal modes. Sensor CY has been utilized for quantitatively measuring sulfite in red wine and sugar with recoveries between 99.65% and 101.90%, and the RSD was below 4.0%. The sulfite concentrations in live cells and zebrafish were also monitored via fluorescence imaging. Moreover, the sulfite assimilated by lettuce leaves was monitored, and the results demonstrated that excessive sulfite in leaf tissue could lead to leaf tissue damage. In addition, the sulfate-transformed sulfite in lettuce stem tissue was tracked, providing valuable insights for evaluating sulfur nutrients in food crops. More importantly, to accomplish the on-site quantitative measurement of sulfite in food samples, a portable sensing system was prepared. Sensor CY and the portable sensing system were successfully used for the on-site quantitative measurement of sulfite in food.
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Affiliation(s)
- Xiaodong Chen
- Key Laboratory of Modern Agricultural Equipment and Technology (Ministry of Education), Jiangsu University, Zhenjiang 212013, China
| | - Chenglu Zhao
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Qiwei Zhao
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Yunfei Yang
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Sanxiu Yang
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Rumeng Zhang
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Yuqing Wang
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Kun Wang
- Key Laboratory of Modern Agricultural Equipment and Technology (Ministry of Education), Jiangsu University, Zhenjiang 212013, China
| | - Jing Qian
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Lingliang Long
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, China
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2
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Chan KC, Zhang WH, Chan YM, Li HL, Fang J, Luo HY, Xu J. Tryptophan sulfonate: A new chemical marker for accurate and efficient inspection of sulfur-treated food products. Food Chem 2024; 434:137360. [PMID: 37696151 DOI: 10.1016/j.foodchem.2023.137360] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2023] [Revised: 08/29/2023] [Accepted: 08/30/2023] [Indexed: 09/13/2023]
Abstract
Sulfur treatment for the pesticidal and antibacterial processing of food products has been criticized since it impairs the quality of treated products. The inspection of sulfur-treated products is thus required to achieve the regulation of sulfur treatment. Sulfite assay is currently available for the inspection, but it bears the disadvantages of inaccurate results and complex experimental procedures. Here we report a new chemical marker, namely tryptophan sulfonate, that can be used for the accurate and efficient inspection of sulfur-treated foods. First, the marker was discovered in sulfur-fumigated ginger, yam, and ginseng by untargeted metabolomics. The marker identity was then elucidated using chromatographic separation, nuclear magnetic resonance analysis and chemical synthesis. Finally, to demonstrate its applicability in the inspection, a tryptophan sulfonate assay was developed to test 50 commercial food samples, and the results indicated that it performed better than the sulfite assay in terms of both accuracy and efficiency.
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Affiliation(s)
- Kam-Chun Chan
- School of Chinese Medicine, Hong Kong Baptist University, Hong Kong, China.
| | - Wei-Hao Zhang
- School of Chinese Medicine, Hong Kong Baptist University, Hong Kong, China.
| | - Yui-Man Chan
- School of Chinese Medicine, Hong Kong Baptist University, Hong Kong, China.
| | - Hiu-Lam Li
- School of Chinese Medicine, Hong Kong Baptist University, Hong Kong, China.
| | - Jing Fang
- School of Chinese Medicine, Hong Kong Baptist University, Hong Kong, China.
| | - Han-Yan Luo
- School of Chinese Medicine, Hong Kong Baptist University, Hong Kong, China.
| | - Jun Xu
- School of Chinese Medicine, Hong Kong Baptist University, Hong Kong, China.
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3
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Zhu J, Yu H, Chang C, Liang B, Li Q, Dai K, Jiang C. Background-Free and Reversible Upconversion Hydrogel Sensing Platform for Visual Monitoring of Sulfite. Anal Chem 2024; 96:2711-2718. [PMID: 38301229 DOI: 10.1021/acs.analchem.3c05711] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2024]
Abstract
Excessive sulfite usage in food and pharmaceutical production causes respiratory and neurological diseases, underscoring the need for a sensitive and rapid quantification strategy. The portable sensing platform based on a luminescent hydrogel sensor is a powerful tool for the on-site, real-time detection of sulfite ions. However, the lack of recyclability in almost all reaction-based hydrogel sensors increases the application cost. This study constructed a reversible and upconversion nanoprobe combining upconversion nanoparticles (UCNPs) and pararosaniline (PAR) for sulfite detection. The upconversion nanoprobe was further encapsulated in a three-dimensional polyacrylamide hydrogel matrix to create a background-free, reversible hydrogel sensor. The near-infrared excitation of UCNPs avoids the autofluorescence in the hydrogel and real samples. Meanwhile, PAR serves as a specific recognition unit for sulfite ions. After the addition of sulfites, a specific reaction occurs between PAR and sulfites, leading to the recovery of characteristic emission at 540 nm, achieving sensitive detection of sulfite ions. Importantly, this specific reaction is reversible under thermal treatment, allowing the hydrogel sensor to return to its initial state and thus enabling reversible detection of sulfite ions. Furthermore, a portable sensing platform is developed to realize point-of-care, real-time quantitative detection of sulfite ions. The proposed upconversion reversible hydrogel sensor provides a new sensing strategy for the detection of hazardous substances in food and offers new insights into the preparation of reversible, highly sensitive hydrogel sensors.
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Affiliation(s)
- Jiawei Zhu
- Anhui Province Key Laboratory of Pollutant Sensitive Materials and Environmental Remediation, Huaibei Normal University, Huaibei, Anhui 235000, China
- Anhui Province Industrial Generic Technology Research Center for Alumics Materials, Huaibei Normal University, Huaibei 235000, China
| | - Hao Yu
- Anhui Province Key Laboratory of Pollutant Sensitive Materials and Environmental Remediation, Huaibei Normal University, Huaibei, Anhui 235000, China
- Anhui Province Industrial Generic Technology Research Center for Alumics Materials, Huaibei Normal University, Huaibei 235000, China
| | - Caidie Chang
- Anhui Province Key Laboratory of Pollutant Sensitive Materials and Environmental Remediation, Huaibei Normal University, Huaibei, Anhui 235000, China
- Anhui Province Industrial Generic Technology Research Center for Alumics Materials, Huaibei Normal University, Huaibei 235000, China
| | - Boyi Liang
- Anhui Province Key Laboratory of Pollutant Sensitive Materials and Environmental Remediation, Huaibei Normal University, Huaibei, Anhui 235000, China
- Anhui Province Industrial Generic Technology Research Center for Alumics Materials, Huaibei Normal University, Huaibei 235000, China
| | - Qiang Li
- Anhui Province Key Laboratory of Pollutant Sensitive Materials and Environmental Remediation, Huaibei Normal University, Huaibei, Anhui 235000, China
- Anhui Province Industrial Generic Technology Research Center for Alumics Materials, Huaibei Normal University, Huaibei 235000, China
| | - Kai Dai
- Anhui Province Key Laboratory of Pollutant Sensitive Materials and Environmental Remediation, Huaibei Normal University, Huaibei, Anhui 235000, China
- Anhui Province Industrial Generic Technology Research Center for Alumics Materials, Huaibei Normal University, Huaibei 235000, China
| | - Changlong Jiang
- Key Laboratory of Photovoltaic and Energy Conservation Materials, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei 230031, China
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4
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Li S, Wang L, Ma Y, Lin W. A unique ratiometric fluorescent probe for detection of SO 2 derivatives in living cells and real food samples. Talanta 2023; 260:124615. [PMID: 37141822 DOI: 10.1016/j.talanta.2023.124615] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2023] [Revised: 04/25/2023] [Accepted: 04/27/2023] [Indexed: 05/06/2023]
Abstract
Abnormal levels of SO2 in organisms can cause cardiovascular disease and respiratory allergies. In addition, the amount of SO2 derivatives used as food preservatives is strictly controlled, and excessive addition can also be harmful to health. Therefore, it is essential to develop a highly sensitive method for the detection of SO2 and its derivatives in biological systems and real food samples. In this work, a new fluorescent probe (TCMs) with high selectivity and sensitivity for the detection of SO2 derivatives was reported. The TCMs could quickly identify SO2 derivatives. It has been successfully used to detect exogenous and endogenous SO2 derivatives. Furthermore, the TCMs has high sensitivity to SO2 derivatives in food samples. Moreover, the prepared test strips could be evaluated for the content of SO2 derivatives in aqueous solutions. This work provides a potential chemical tool to detect SO2 derivatives in living cells and real food samples.
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Affiliation(s)
- Shifei Li
- Institute of Fluorescent Probes for Biological Imaging, School of Chemistry and Chemical Engineering, School of Materials Science and Engineering, University of Jinan, Jinan, Shandong 250022, PR China
| | - Lin Wang
- Institute of Fluorescent Probes for Biological Imaging, School of Chemistry and Chemical Engineering, School of Materials Science and Engineering, University of Jinan, Jinan, Shandong 250022, PR China
| | - Yanyan Ma
- Shandong Provincial Key Laboratory of Marine Monitoring Instrument Equipment Technology, National Engineering and Technological Research Center of Marine Monitoring Equipment, Institute of Oceanographic Instrumentation, Qilu University of Technology (Shandong Academy of Sciences), Qingdao, Shandong, 266061, PR China
| | - Weiying Lin
- Institute of Fluorescent Probes for Biological Imaging, School of Chemistry and Chemical Engineering, School of Materials Science and Engineering, University of Jinan, Jinan, Shandong 250022, PR China; Guangxi Key Laboratory of Electrochemical Energy Materials, Institute of Optical Materials and Chemical Biology, School of Chemistry and Chemical Engineering, Guangxi University, Nanning, Guangxi 530004, PR China.
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5
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P S, Prakash S, Joseph A. A bis-chalcone based colorimetric probe for the selective detection of bisulfite/sulfite anions: exploring surfactant promoted Michael addition of anions to α, β-unsaturated ketones. RSC Adv 2023; 13:2552-2560. [PMID: 36741135 PMCID: PMC9843694 DOI: 10.1039/d2ra06832j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2022] [Accepted: 01/01/2023] [Indexed: 01/19/2023] Open
Abstract
A probe, (1E,4E)-1,5-di(thiophen-2-yl)penta-1,4-dien-3-one, was developed for rapid, colorimetric, and selective detection of bisulfite/sulfite anions in aqueous solutions. This probe is based on the Michael addition reaction which is favoured in the presence of cationic micellar medium CTAB. CTAB promoted Michael addition is an effective tool to determine SO2 toxicity, which is mainly expressed in terms of collective concentration of bisulfite and sulfite anions. The probe showed high selectivity and sensitivity toward bisulfite and sulfite over other interfering anions, with a detection limit of 0.43 μM and 0.23 μM, respectively. The possible recognition mechanism of the probe and the analyte was illustrated by NMR, HR-MS, IR, and computational analysis. Moreover, this probe showed great potential for the detection of bisulfite/sulfite in real samples, such as crystal sugar and brown sugar.
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Affiliation(s)
- Sowmya P
- Department of Chemistry, University of Calicut, Calicut University673 635KeralaIndia
| | - Sivakrishna Prakash
- Department of Chemistry, University of Calicut, Calicut University673 635KeralaIndia
| | - Abraham Joseph
- Department of Chemistry, University of Calicut, Calicut University673 635KeralaIndia
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6
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Peng L, Yang M, Zhang M, Jia M. A ratiometric fluorescent sensor based on carbon dots for rapid determination of bisulfite in sugar. Food Chem 2022; 392:133265. [DOI: 10.1016/j.foodchem.2022.133265] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Revised: 04/27/2022] [Accepted: 05/17/2022] [Indexed: 11/26/2022]
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7
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Zheng D, Zhang T, Huang Y, Chen H, Li Y, Cao Z, Deng Y, Fang Y, Peng C. Phenoxazine-conjugated-benzoeindolium as a novel mitochondria-targeted fluorescent probe for turn-on detection of sulfur dioxide and its derivatives in vivo. Microchem J 2022. [DOI: 10.1016/j.microc.2022.107192] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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8
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Rui B, Feng Y, Wang Y, Deng J, Wang M, Lyu Y, Luo L. A novel isophorone-derived fluorescent probe for detecting sulfite and the application in monitoring the state of hybridoma cells. Anal Chim Acta 2022; 1205:339723. [DOI: 10.1016/j.aca.2022.339723] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2022] [Accepted: 03/10/2022] [Indexed: 11/25/2022]
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9
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Shang J, Li Y, Chen K, Li H. Synthesis and Properties of a Water-soluble Fluorescent Probe Based on ICT System for Detection of Ultra-trace SO 2 Derivatives. J Fluoresc 2021; 31:755-761. [PMID: 33646474 DOI: 10.1007/s10895-021-02702-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2020] [Accepted: 02/11/2021] [Indexed: 11/25/2022]
Abstract
SO2 and its derivatives are widely present in the environment and living organisms, endangering the environment and human health. Therefore, it is of great significance for the effective detection of sulfur dioxide (SO2) and its hydrated derivatives (HSO3- /SO32-). In this study, based on the mechanism of intramolecular charge transfer (ICT), a water-soluble colorimetric fluorescent probe (E)-2-(4-acetamidostyryl)-3-(5-carboxypentyl)-1, 1-dimethyl-1H-benzo[e]indol-3-ium (ABI) for the detection of SO2 derivatives was successfully synthesized from p-acetaminobenzaldehyde by connecting the benzo[e]indoles cationic fluorophore containing highly activated methyl via C = C double bond, and the ABI structure was characterized by HRMS and 1H NMR, 13 C NMR. Studies have shown that the ABI probe has some advantages such as good selectivity for SO2 derivatives, high sensitivity (detection limit LOD = 14.9 nM), and fast reaction rate. After adding HSO3-, the color of the probe solution changed from light yellow to colorless within 10 s, which provides a simple way to identify bisulfite with the naked eye. Studies on the effect of pH on the fluorescence performance of ABI showed that fluorescence performance of ABI was stable in the range of pH (7.0-10.26). Therefore, ABI is expected to become an effective tool for detecting SO2 derivatives in cells and organisms in the future.
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Affiliation(s)
- Jinyan Shang
- School of Chemistry and Food Engineering, Key Laboratory of Road Structure and Material of Ministry of Transport, Changsha University of Science and Technology, Changsha, Hunan, 410114, China
| | - Yanbo Li
- School of Hydraulic Engineering, Changsha University of Science and Technology, Changsha, Hunan, 410114, China
| | - Kangni Chen
- School of Chemistry and Food Engineering, Key Laboratory of Road Structure and Material of Ministry of Transport, Changsha University of Science and Technology, Changsha, Hunan, 410114, China
| | - Heping Li
- School of Chemistry and Food Engineering, Key Laboratory of Road Structure and Material of Ministry of Transport, Changsha University of Science and Technology, Changsha, Hunan, 410114, China.
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10
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Zhang S, Mei J. Determination of sulfite in food and beverages using a reliable ratiometric AIE probe. NEW J CHEM 2021. [DOI: 10.1039/d1nj03747a] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The feasibility of using an “AIE + ICT” probe for a highly accurate and reliable determination of the sulfite level in food and beverages is demonstrated.
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Affiliation(s)
- Shasha Zhang
- Key Laboratory for Advanced Materials, Feringa Nobel Prize Scientist Joint Research Center, Joint International Research Laboratory for Precision Chemistry and Molecular Engineering, Institute of Fine Chemicals, School of Chemistry & Molecular Engineering, East China University of Science & Technology, 130 Meilong Road, Shanghai 200237, P. R. China
| | - Ju Mei
- Key Laboratory for Advanced Materials, Feringa Nobel Prize Scientist Joint Research Center, Joint International Research Laboratory for Precision Chemistry and Molecular Engineering, Institute of Fine Chemicals, School of Chemistry & Molecular Engineering, East China University of Science & Technology, 130 Meilong Road, Shanghai 200237, P. R. China
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11
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Li Z, Zhu Y, Gong X, Zhang Y, Xing M, Ma S, Guan R, Cao D, Liu Z. Bisulfite recognition properties of two benzothiazole inner salt compounds. J Photochem Photobiol A Chem 2020. [DOI: 10.1016/j.jphotochem.2020.112739] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
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12
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Yang F, Zhang W, Zhao Y, Ji Y, Liu B, Zhou K. Optimization of Working Conditions by Response Surface Methodology of Sulfur Dioxide Gas Sensors Based on Au/CoO‐2La
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Nanoparticles. ChemistrySelect 2020. [DOI: 10.1002/slct.202001415] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Fuxiu Yang
- Biochemical Engineering College Beijing Union University Beijing 100023 China
| | - Wenjuan Zhang
- Biochemical Engineering College Beijing Union University Beijing 100023 China
| | - Youxi Zhao
- Biochemical Engineering College Beijing Union University Beijing 100023 China
- Beijing Key Laboratory of Biomass Waste Resource Utilization Beijing 100023 China
| | - Yizhi Ji
- Biochemical Engineering College Beijing Union University Beijing 100023 China
- Beijing Key Laboratory of Biomass Waste Resource Utilization Beijing 100023 China
| | - Baining Liu
- Biochemical Engineering College Beijing Union University Beijing 100023 China
- Beijing Key Laboratory of Biomass Waste Resource Utilization Beijing 100023 China
| | - Kaowen Zhou
- Biochemical Engineering College Beijing Union University Beijing 100023 China
- Beijing Key Laboratory of Biomass Waste Resource Utilization Beijing 100023 China
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13
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Miniaturized dielectric barrier discharge-molecular emission spectrometer for determination of total sulfur dioxide in food. Food Chem 2020; 317:126437. [DOI: 10.1016/j.foodchem.2020.126437] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2019] [Revised: 12/25/2019] [Accepted: 02/17/2020] [Indexed: 01/31/2023]
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14
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Hsu SY, Liu CC, Yang CE, Fu LM. Multifunctional microchip-based distillation apparatus I - Steam distillation for formaldehyde detection. Anal Chim Acta 2019; 1062:94-101. [DOI: 10.1016/j.aca.2019.02.016] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2018] [Revised: 01/26/2019] [Accepted: 02/04/2019] [Indexed: 12/28/2022]
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15
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de Mello JE, Novo DLR, Coelho Junior GS, Scaglioni PT, Mesko MF. A Green Analytical Method for the Multielemental Determination of Halogens and Sulfur in Pet Food. FOOD ANAL METHOD 2019. [DOI: 10.1007/s12161-019-01549-w] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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16
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Yang K, Zhou C, Yang Z, Yu L, Cai M, Wu C, Sun P. Establishing a method of HPLC involving precolumn derivatization by 2,2'-dithiobis (5-nitropyridine) to determine the sulfites in shrimps in comparison with ion chromatography. Food Sci Nutr 2019; 7:2151-2158. [PMID: 31289663 PMCID: PMC6593368 DOI: 10.1002/fsn3.1060] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2019] [Revised: 04/13/2019] [Accepted: 04/22/2019] [Indexed: 11/29/2022] Open
Abstract
Although sulfites are widely used in shrimp processing, the contents of residual sulfite need to be strictly controlled due to their potential toxicity. In this paper, a novel method was developed for determination of the free and total sulfites in shrimps. Major procedures of the method includes separation of free and total sulfites with ultrasound-assisted extraction and pH adjustment for 20 min, then a precolumn derivatization was conducted by 2,2'-Dithiobis (5-nitropyridine) and verified by LC-MS, and finally HPLC coupled with an ultraviolet (UV) detector was carried out. Results indicated that the UV absorption wavelength shifted from 213 (sulfites) to 320 nm (new disulfide compounds), significantly reducing the interference of natural occurring compounds and solvents in the matrix. The standard curves exhibited a good linear range of 3.2-51.2 mg/L (R 2 = 0.9996). The limit of detection (LOD) and limit of quantification (LOQ) were 0.3 and 1.0 mg/L, respectively. The contents of free and total sulfite in frozen shrimps were 26.58 ± 0.48 and 31.44 ± 0.83 mg/kg calculated by SO2, respectively. These were similar (p > 0.05) to the data obtained by the method of ion chromatography. In conclusion, the new developed method has been proved to be a reliable and economic method for effective determination of free and total sulfites in the shrimps, and the method could be expanded in determination of the sulfites in other food products.
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Affiliation(s)
- Kai Yang
- Department of Food Science and TechnologyZhejiang University of TechnologyHangzhouChina
- Department of Animal and Food SciencesUniversity of DelawareNewark, Delaware
| | - Cheng Zhou
- Department of Food Science and TechnologyZhejiang University of TechnologyHangzhouChina
| | - Zhenhuan Yang
- Department of Food Science and TechnologyZhejiang University of TechnologyHangzhouChina
| | - Lan Yu
- Zhoushan Yueyang Food Co., LtdZhoushanChina
| | - Ming Cai
- Department of Food Science and TechnologyZhejiang University of TechnologyHangzhouChina
| | - Changqing Wu
- Department of Animal and Food SciencesUniversity of DelawareNewark, Delaware
| | - Peilong Sun
- Department of Food Science and TechnologyZhejiang University of TechnologyHangzhouChina
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17
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Fu LM, Liu CC, Yang CE, Wang YN, Ko CH. A PET/paper chip platform for high resolution sulphur dioxide detection in foods. Food Chem 2019; 286:316-321. [PMID: 30827613 DOI: 10.1016/j.foodchem.2019.02.032] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2018] [Revised: 01/16/2019] [Accepted: 02/07/2019] [Indexed: 01/20/2023]
Abstract
A convenient assay platform comprising a PET/paper chip (PP-chip) and a smart analytical device is developed for detection of sulphur dioxide (SO2) concentration. In the presented approach, the distilled SO2 solution is dropped onto the detection region of the PP-chip and undergoes a reaction with an acid-based reagent. The resulting color variation is analyzed through a high-resolution camera (CMOS) and the reacted image is processed by a RGB (red, green and blue) analytical app installed on a smartphone. Results show that the known SO2 concentrations ranging from 10 to 300 ppm indicate that the high linear relationship (R2 = 0.9981) between the (R (red) + G (green) - B (blue)) value and SO2 concentration. Moreover, a high measurement resolution is equal to 1.45 ppm/a.u. The presented assay platform was proved to detect the SO2 concentrations of twenty-five practical food samples. Compared with the developed assay platform and certified inspection technique, the deviation of SO2 measurement does not exceed 3.82%. It was satisfactory to apply this developed assay platform to analyze the SO2 concentration in the practical samples.
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Affiliation(s)
- Lung-Ming Fu
- Department of Engineering Science, National Cheng Kung University, Tainan 701, Taiwan; Graduate Institute of Materials Engineering, National Pingtung University of Science and Technology, Pingtung 912, Taiwan.
| | - Chan-Chiung Liu
- Department of Food Science, National Pingtung University of Science and Technology, Pingtung 912, Taiwan
| | - Chia-En Yang
- Office of Physical Education, National Pingtung University of Science and Technology, Pingtung 912, Taiwan
| | - Yao-Nan Wang
- Department of Vehicle Engineering, National Pingtung University of Science and Technology, Pingtung 912, Taiwan
| | - Chien-Hsuan Ko
- Department of Engineering Science, National Cheng Kung University, Tainan 701, Taiwan; Graduate Institute of Materials Engineering, National Pingtung University of Science and Technology, Pingtung 912, Taiwan
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18
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Yang L, Liu M, Sheng K, Li X, Du J, Ning Y, Wang X, Li J, Zhang Y, Wu S. Design and synthesis of a novel colorimetric fluorescent probe for the selective detection of sulfur dioxide in SH-SY5Y neuroblastoma cells and its applications in traditional Chinese medicines. NEW J CHEM 2019. [DOI: 10.1039/c8nj06326e] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A fast response time, low limit of detection and high fluorescence quantum yield probe DTCC was designed and synthesized to detect SO2 derivatives based on coumarin-thiophene dye which was fused with a coumarin moiety and 2-thiophenecarboxaldehyde.
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19
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Wang J, Zhu Y, Grimes CA, Nie Z, Cai Q. Eu,Sm,Mn-Doped CaS Nanoparticles with 59.3% Upconversion-Luminescence Quantum Yield: Enabling Ultrasensitive and Facile Smartphone-Based Sulfite Detection. Anal Chem 2018; 90:8658-8664. [DOI: 10.1021/acs.analchem.8b02001] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Affiliation(s)
- Jikai Wang
- State Key Laboratory of Chem/Bio-sensing and Chemometrics, Hunan University, Changsha 410082, P. R. China
| | - Yanli Zhu
- State Key Laboratory of Chem/Bio-sensing and Chemometrics, Hunan University, Changsha 410082, P. R. China
| | - Craig A. Grimes
- Flux Photon Corporation, 6900 Darcy Lane, Raleigh, North Carolina 27606, United States
| | - Zhou Nie
- State Key Laboratory of Chem/Bio-sensing and Chemometrics, Hunan University, Changsha 410082, P. R. China
| | - Qingyun Cai
- State Key Laboratory of Chem/Bio-sensing and Chemometrics, Hunan University, Changsha 410082, P. R. China
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Xiong Y, Wang Q, Li X, Fang S, Duan M. Total Sulfur Dioxide Determination in Red Wine by Suppressed Ion Chromatography with In-Sample Oxidation and SPE. Chromatographia 2018. [DOI: 10.1007/s10337-018-3538-9] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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21
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Li D, Duan H, Ma Y, Deng W. Headspace-Sampling Paper-Based Analytical Device for Colorimetric/Surface-Enhanced Raman Scattering Dual Sensing of Sulfur Dioxide in Wine. Anal Chem 2018; 90:5719-5727. [PMID: 29648444 DOI: 10.1021/acs.analchem.8b00016] [Citation(s) in RCA: 70] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
This study demonstrates a novel strategy for colorimetric/surface-enhanced Raman scattering (SERS) dual-mode sensing of sulfur dioxide (SO2) by coupling headspace sampling (HS) with paper-based analytical device (PAD). The smart and multifunctional PAD is fabricated with a vacuum filtration method in which 4-mercaptopyridine (Mpy)-modified gold nanorods (GNRs)-reduced graphene oxide (rGO) hybrids (rGO/MPy-GNRs), anhydrous methanol, and starch-iodine complex are immobilized into cellulose-based filter papers. The resultant PAD exhibits a deep-blue color with a strong absorption peak at 600 nm due to the formation of an intermolecular charge-transfer complex between starch and iodine. However, the addition of SO2 induces the Karl Fischer reaction, resulting in the decrease of color and increase of SERS signals. Therefore, the PAD can be used not only as a naked-eye indicator of SO2 changed from blue to colorless but also as a highly sensitive SERS substrates because of the SO2-triggered conversion of Mpy to pyridine methyl sulfate on the GNRs. A distinguishable change in the color was observed at a SO2 concentration of 5 μM by the naked eye, and a detection limit as low as 1.45 μM was obtained by virtue of UV-vis spectroscopy. The PAD-based SERS method is effective over a wide range of concentrations (1 μM to 2000 μM) for SO2, and the detection limit for SO2 is found to be 1 μM. The HS-PAD based colorimetric/SERS method is applied for the determination of SO2 in wine, and the detection results match well with those obtained from the traditional Monier-Williams method. This study not only offers a new method for on-site monitoring of SO2 but also provides a new strategy for designing of paper-based sensing platform for a wide range of field-test applications.
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Affiliation(s)
- Dan Li
- School of Chemical and Environmental Engineering , Shanghai Institute of Technology , 100 Haiquan Road , Shanghai 201418 , P. R. China
| | - Huazhen Duan
- School of Chemical and Environmental Engineering , Shanghai Institute of Technology , 100 Haiquan Road , Shanghai 201418 , P. R. China
| | - Yadan Ma
- School of Chemical and Environmental Engineering , Shanghai Institute of Technology , 100 Haiquan Road , Shanghai 201418 , P. R. China
| | - Wei Deng
- School of Chemical and Environmental Engineering , Shanghai Institute of Technology , 100 Haiquan Road , Shanghai 201418 , P. R. China
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22
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Determination of free and total sulfur(IV) compounds in coconut water using high-resolution continuum source molecular absorption spectrometry in gas phase. Talanta 2018; 179:810-815. [DOI: 10.1016/j.talanta.2017.11.070] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2017] [Revised: 11/27/2017] [Accepted: 11/28/2017] [Indexed: 11/22/2022]
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23
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Gómez M, Aliaga ME, Arancibia V, Moya A, Segura C, Nuñez MT, Aguirre P, Nagles E, García-Beltrán O. Detection of SO2 derivatives using a new chalco-coumarin derivative in cationic micellar media: application to real samples. RSC Adv 2018; 8:31261-31266. [PMID: 35548216 PMCID: PMC9085600 DOI: 10.1039/c8ra04526g] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2018] [Accepted: 08/26/2018] [Indexed: 11/21/2022] Open
Abstract
A new probe ChC16 was synthesized and studied as a turn-on fluorescent probe, based on a Michael addition mechanism for sensing SO2 derivatives, which is favored in the presence of cationic micellar media such as cetylpyridinium bromide (CPB).
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Affiliation(s)
- Marisol Gómez
- Facultad de Química
- Pontificia Universidad Católica de Chile
- Santiago
- Chile
- Escuela de Obstetricia y Puericultura and Centro Integrativo de Biología y Química Aplicada (CIBQA)
| | | | - Verónica Arancibia
- Facultad de Química
- Pontificia Universidad Católica de Chile
- Santiago
- Chile
| | - Alexis Moya
- Facultad de Química
- Pontificia Universidad Católica de Chile
- Santiago
- Chile
| | - Camilo Segura
- Department of Chemistry
- Faculty of Sciences
- Universidad de Chile
- Santiago 7800024
- Chile
| | - Marco T. Nuñez
- Biology Department
- Faculty of Sciences
- Universidad de Chile
- Santiago 7800024
- Chile
| | - Pabla Aguirre
- Biology Department
- Faculty of Sciences
- Universidad de Chile
- Santiago 7800024
- Chile
| | - Edgar Nagles
- Facultad de Ciencias Naturales y Matemáticas
- Universidad de Ibagué
- Ibagué 730001
- Colombia
| | - Olimpo García-Beltrán
- Facultad de Ciencias Naturales y Matemáticas
- Universidad de Ibagué
- Ibagué 730001
- Colombia
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24
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Preecharueangrit S, Thavarungkul P, Kanatharana P, Numnuam A. Amperometric sensing of sulfite using a gold electrode coated with ordered mesoporous carbon modified with nickel hexacyanoferrate. J Electroanal Chem (Lausanne) 2018. [DOI: 10.1016/j.jelechem.2017.11.070] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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25
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Ye Z, Duan C, Sheng R, Xu J, Wang H, Zeng L. A novel colorimetric and ratiometric fluorescent probe for visualizing SO 2 derivatives in environment and living cells. Talanta 2017; 176:389-396. [PMID: 28917766 DOI: 10.1016/j.talanta.2017.08.054] [Citation(s) in RCA: 51] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2017] [Revised: 08/09/2017] [Accepted: 08/15/2017] [Indexed: 11/17/2022]
Abstract
Monitoring sulfur dioxide (SO2) derivatives in environment is of great significance due to their harmful effects to the environment and human health. In this study, a fluorescent probe (CZBT) for SO2 derivatives was prepared from 9-ethyl-9H-carbazole-3,6-dicarboxaldehyde and 2-methyl-benzothiazolium, which displayed a noticeable color change from yellow to colorless along with a remarkable fluorescence change from yellow to blue in response to HSO3-. The probe could quantitatively determine the concentration of HSO3- with excellent selectivity, high sensitivity and low limit of detection. 1H NMR and HR-MS spectra demonstrated that a selective 1, 4-nucleophilic addition occurred on the bridge double bond in CZBT. The probe was successfully used to determine the SO2 derivatives in several real water samples with good recovery. Furthermore, the probe was employed for monitoring the level of intracellular HSO3- in HeLa (human cervical cancer) cells by fluorescence imaging. These results indicated that CZBT has a good capability for monitoring SO2 derivatives in environment and living cells.
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Affiliation(s)
- Zhuo Ye
- Tianjin Key Laboratory of Organic Solar Cells and Photochemical Conversion, School of Chemistry and Chemical Engineering, Tianjin University of Technology, Tianjin 300384, PR China
| | - Chong Duan
- Tianjin Key Laboratory of Organic Solar Cells and Photochemical Conversion, School of Chemistry and Chemical Engineering, Tianjin University of Technology, Tianjin 300384, PR China
| | - Ruilong Sheng
- Department of Chemistry, Université de Montréal, Succursale Centre-ville, Montreal, Quebec H3C3J7, Canada
| | - Junchao Xu
- Tianjin Key Laboratory of Organic Solar Cells and Photochemical Conversion, School of Chemistry and Chemical Engineering, Tianjin University of Technology, Tianjin 300384, PR China
| | - Hongying Wang
- Tianjin Key Laboratory of Organic Solar Cells and Photochemical Conversion, School of Chemistry and Chemical Engineering, Tianjin University of Technology, Tianjin 300384, PR China.
| | - Lintao Zeng
- Tianjin Key Laboratory of Organic Solar Cells and Photochemical Conversion, School of Chemistry and Chemical Engineering, Tianjin University of Technology, Tianjin 300384, PR China.
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26
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Ozbek N, Baysal A. Determination of sulfur by high-resolution continuum source atomic absorption spectrometry: Review of studies over the last 10 years. Trends Analyt Chem 2017. [DOI: 10.1016/j.trac.2016.09.014] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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27
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Rani S, Malik AK, Kaur R, Kaur R. A Review for the Analysis of Antidepressant, Antiepileptic and Quinolone Type Drugs in Pharmaceuticals and Environmental Samples. Crit Rev Anal Chem 2016; 46:424-42. [DOI: 10.1080/10408347.2016.1141670] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Affiliation(s)
- Susheela Rani
- Department of Chemistry, Punjabi University, Patiala, Punjab, India
| | | | - Ramandeep Kaur
- Department of Chemistry, Punjabi University, Patiala, Punjab, India
| | - Ripneel Kaur
- Department of Chemistry, Punjabi University, Patiala, Punjab, India
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28
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Zhang J, Hao X, Li X, Wang W. Effect of Chitosan Coating Combined with Sulfur Dioxide Fumigation on the Storage Quality of Fresh Areca Nut. J FOOD PROCESS PRES 2016. [DOI: 10.1111/jfpp.12974] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Affiliation(s)
- Jiaojiao Zhang
- Laboratory of Food Processing and Freshness Preservation; Tianjin University of Science and Technology; Tianjin 300457 China
| | - Xiaolei Hao
- Laboratory of Food Processing and Freshness Preservation; Tianjin University of Science and Technology; Tianjin 300457 China
| | - Xihong Li
- Laboratory of Food Processing and Freshness Preservation; Tianjin University of Science and Technology; Tianjin 300457 China
| | - Wei Wang
- Laboratory of Food Processing and Freshness Preservation; Tianjin University of Science and Technology; Tianjin 300457 China
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29
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Ni Z, Tang F, Liu Y, Shen D, Mo R. Rapid Determination of Low-level Sulfite in Dry Vegetables and Fruits by LC-ICP-MS. FOOD SCIENCE AND TECHNOLOGY RESEARCH 2015. [DOI: 10.3136/fstr.21.1] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Affiliation(s)
- Zhanglin Ni
- Research Institute of Subtropical Forestry, Chinese Academy of Forestry
| | - Fubin Tang
- Research Institute of Subtropical Forestry, Chinese Academy of Forestry
| | - Yihua Liu
- Research Institute of Subtropical Forestry, Chinese Academy of Forestry
| | - Danyu Shen
- Research Institute of Subtropical Forestry, Chinese Academy of Forestry
| | - Runhong Mo
- Research Institute of Subtropical Forestry, Chinese Academy of Forestry
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30
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Scientific Opinion on the evaluation of allergenic foods and food ingredients for labelling purposes. EFSA J 2014. [DOI: 10.2903/j.efsa.2014.3894] [Citation(s) in RCA: 72] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
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31
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Wu W, Xiao Q, Zhang P, Ye M, Wan Y, Liang H. Rapid measurement of free cyanide in liquor by ion chromatography with pulsed amperometric detection. Food Chem 2014; 172:681-4. [PMID: 25442607 DOI: 10.1016/j.foodchem.2014.09.052] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2013] [Revised: 08/13/2014] [Accepted: 09/10/2014] [Indexed: 11/16/2022]
Abstract
This study investigated the measurement of free cyanide in liquor by ion chromatography coupled with pulsed amperometric detection (IC-PAD). Eluent concentration, interferent evaluation and method performance were discussed. Results show that free cyanide in liquor can be rapidly determined by the optimised IC-PAD method. A sample requires only 1:100 dilution and simple filtration before being subjected to IC-PAD. The linear range is 1-5000 μg/L with an R value of 0.9998. The detection limit is 1 μg/L for a 25 μL injection loop. The overall relative standard deviation (RSD) of the method is less than 5%, and the recovery range is from 98.1% to 105.0%. This study has been proven significant and may have potential applications in liquors analysis.
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Affiliation(s)
- Wenlin Wu
- Department of Food, Chengdu Institute of Product Quality Inspection Co., Ltd., Chengdu, Sichuan 610100, China; Department of Food, Chengdu Product Quality Supervision and Inspection Institute, Chengdu, Sichuan 610100, China.
| | - Quanwei Xiao
- Department of Food, Chengdu Institute of Product Quality Inspection Co., Ltd., Chengdu, Sichuan 610100, China; Department of Food, Chengdu Product Quality Supervision and Inspection Institute, Chengdu, Sichuan 610100, China
| | - Ping Zhang
- Department of Food, Chengdu Institute of Product Quality Inspection Co., Ltd., Chengdu, Sichuan 610100, China; Department of Food, Chengdu Product Quality Supervision and Inspection Institute, Chengdu, Sichuan 610100, China
| | - Mei Ye
- Department of Food, Chengdu Institute of Product Quality Inspection Co., Ltd., Chengdu, Sichuan 610100, China; Department of Food, Chengdu Product Quality Supervision and Inspection Institute, Chengdu, Sichuan 610100, China
| | - Yuping Wan
- Department of Food, Chengdu Institute of Product Quality Inspection Co., Ltd., Chengdu, Sichuan 610100, China; Department of Food, Chengdu Product Quality Supervision and Inspection Institute, Chengdu, Sichuan 610100, China
| | - Hengxing Liang
- Department of Food, Chengdu Institute of Product Quality Inspection Co., Ltd., Chengdu, Sichuan 610100, China; Department of Food, Chengdu Product Quality Supervision and Inspection Institute, Chengdu, Sichuan 610100, China
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32
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Ozbek N, Baysal A. A new approach for the determination of sulphur in food samples by high-resolution continuum source flame atomic absorption spectrometer. Food Chem 2014; 168:460-3. [PMID: 25172735 DOI: 10.1016/j.foodchem.2014.07.093] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2012] [Revised: 07/07/2014] [Accepted: 07/17/2014] [Indexed: 11/25/2022]
Abstract
The new approach for the determination of sulphur in foods was developed, and the sulphur concentrations of various fresh and dried food samples determined using a high-resolution continuum source flame atomic absorption spectrometer with an air/acetylene flame. The proposed method was optimised and the validated using standard reference materials, and certified values were found to be within the 95% confidence interval. The sulphur content of foods ranged from less than the LOD to 1.5mgg(-1). The method is accurate, fast, simple and sensitive.
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Affiliation(s)
- N Ozbek
- Istanbul Technical University, Faculty of Science and Letters, Department of Chemistry, Maslak, 34469 Istanbul, Turkey
| | - A Baysal
- T.C. Istanbul Aydin University, Health Services Vocational School of Higher Education, Sefakoy Kucukcekmece, 34295 Istanbul, Turkey.
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33
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Lim HS, Park SK, Kim SH, Song SB, Jang SJ, Kim M. Comparison of four different methods for the determination of sulfites in foods marketed in South Korea. Food Addit Contam Part A Chem Anal Control Expo Risk Assess 2014; 31:187-96. [PMID: 24428687 DOI: 10.1080/19440049.2013.857048] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
Sulfites in foods were analysed using four methods: optimised Monier-Williams (official method), modified Rankine, HPLC and ion-exchange chromatography (IEC). The modified Rankine and HPLC methods were performed according to the previously reported methods but with some modifications. The IEC method was carried out through a combination of a modified Rankine apparatus and an anion-exchange column for the first time. In false-positive response tests, false-positive results with acetic acid and propionic acid were not observed in the modified Rankine, HPLC or IEC methods, unlike the optimised Monier-Williams method. All methods were evaluated for accuracy, precision and simple correlations. Modified Rankine, HPLC and IEC methods were determined to be suitable for foods with less than 10 mg kg(-1) of sulfur dioxide (SO₂). The modified Rankine and HPLC methods were suggested to be the most appropriate for the determination of sulfites in foods due to their high correlation coefficient with the optimised Monier-Williams method (R(2) = 0.9138 and 0.9011, respectively).
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Affiliation(s)
- Ho-Soo Lim
- a Food Additives and Packages Division , Ministry of Food and Drug Safety , Osong-eup , Chungcheongbuk-do , Korea
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34
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Lin J, Zhu Y, Cheng W, Wang J, Wu B, Wang J. Determination of Free and Total Sulfite in Red Globe Grape by Ion Chromatography. FOOD SCIENCE AND TECHNOLOGY RESEARCH 2014. [DOI: 10.3136/fstr.20.1079] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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35
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Ultrasensitive, simple and solvent-free micro-assay for determining sulphite preservatives (E220–228) in foods by HS-SDME and UV–vis micro-spectrophotometry. Anal Bioanal Chem 2013; 406:2133-40. [DOI: 10.1007/s00216-013-7293-3] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2013] [Revised: 07/29/2013] [Accepted: 08/05/2013] [Indexed: 10/26/2022]
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36
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Cuartero M, Amorim CG, Araújo AN, Ortuño JA, Montenegro MC. A SO2-selective electrode based on a Zn-porphyrin for wine analysis. Anal Chim Acta 2013; 787:57-63. [DOI: 10.1016/j.aca.2013.05.038] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2013] [Revised: 05/17/2013] [Accepted: 05/21/2013] [Indexed: 10/26/2022]
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37
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Mior R, Morés S, Welz B, Carasek E, de Andrade JB. Determination of sulfur in coal using direct solid sampling and high-resolution continuum source molecular absorption spectrometry of the CS molecule in a graphite furnace. Talanta 2013; 106:368-74. [DOI: 10.1016/j.talanta.2013.01.004] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2012] [Revised: 12/31/2012] [Accepted: 01/04/2013] [Indexed: 11/30/2022]
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38
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Aberl A, Coelhan M. Determination of sulfur dioxide in wine using headspace gas chromatography and electron capture detection. Food Addit Contam Part A Chem Anal Control Expo Risk Assess 2012; 30:226-33. [PMID: 23176364 DOI: 10.1080/19440049.2012.743191] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
Sulfites are routinely added as preservatives and antioxidants in wine production. By law, the total sulfur dioxide content in wine is restricted and therefore must be monitored. Currently, the method of choice for determining the total content of sulfur dioxide in wine is the optimised Monier-Williams method, which is time consuming and laborious. The headspace gas chromatographic method described in this study offers a fast and reliable alternative method for the detection and quantification of the sulfur dioxide content in wine. The analysis was performed using an automatic headspace injection sampler, coupled with a gas chromatograph and an electron capture detector. The method is based on the formation of gaseous sulfur dioxide subsequent to acidification and heating of the sample. In addition to free sulfur dioxide, reversibly bound sulfur dioxide in carbonyl compounds, such as acetaldehyde, was also measured with this method. A total of 20 wine samples produced using diverse grape varieties and vintages of varied provenance were analysed using the new method. For reference and comparison purposes, 10 of the results obtained by the proposed method were compared with those acquired by the optimised Monier-Williams method. Overall, the results from the headspace analysis showed good correlation (R = 0.9985) when compared with the conventional method. This new method requires minimal sample preparation and is simple to perform, and the analysis can also be completed within a short period of time.
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Affiliation(s)
- A Aberl
- Research Center for Brewing and Food Quality, Technische Universität München, Freising-Weihenstephan, Germany
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