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1. Supramolecular solvent-based micro-extraction of pesticides in food and environmental samples

Author:
Musarurwa, Herbert; Tavengwa, Nikita Tawanda
Source:
Talanta 2021 v.223 pp. 121515
ISSN:
0039-9140
Subject:
pesticide residues,   etc   ; centrifugation; chromatography; long chain fatty acids; magnetic materials; microextraction; pesticides; separation; solvents; surfactants;     Show all 10 Subjects
Abstract:
... Supramolecular solvent-based micro-extraction is a very important green technique for the isolation and pre-concentration of pesticide residues in food and environmental samples prior to their chromatographic analysis. The attractive features of supramolecular solvent-based micro-extraction include its simplicity, high pre-concentration factor, fastness, accuracy, low cost, less consumption of che ...
DOI:
10.1016/j.talanta.2020.121515

2. Oxidase-mimicking activity of ultrathin MnO2 nanosheets in a colorimetric assay of chlorothalonil in food samples

Author:
Sheng, Enze; Lu, Yuxiao; Tan, Yuting; Xiao, Yue; Li, Zhenxi; Dai, Zhihui
Source:
Food chemistry 2020 v.331 pp. 127090
ISSN:
0308-8146
Subject:
pesticide residues,   etc   ; carcinogens; chlorothalonil; colorimetry; cross reaction; detection limit; fungi; gas chromatography; manganese dioxide; monitoring; nanosheets;     Show all 11 Subjects
Abstract:
... Chlorothalonil is a class of 2B carcinogen which is widely used in the prevention and treatment of fungal diseases in food samples. Its residual problem has been increasingly concerned by society. In this paper, a fast and simple colorimetric assay based on Manganese dioxide nanosheets (MnO₂ NSs)-oxidize 3,3′,5,5′-tetramethylbenzidine (TMB) platform was used to detect residual pesticide chlorothal ...
DOI:
10.1016/j.foodchem.2020.127090

3. Application of full scan gas chromatography high resolution mass spectrometry data to quantify targeted-pesticide residues and to screen for additional substances of concern in fresh-food commodities

Author:
Vargas-Pérez, Marta; Domínguez, Irene; González, Francisco Javier Egea; Frenich, Antonia Garrido
Source:
Journal of chromatography 2020 v.1622 pp. 461118
ISSN:
0021-9673
Subject:
pesticide residues,   etc   ; bananas; fruits; gas chromatography; mass spectrometry; monitoring; multiresidue analysis; pears; pesticides; strawberries; vegetables; watermelons;     Show all 12 Subjects
Abstract:
... A novel application, which combines targeted and non-targeted approaches, using gas chromatography high-resolution mass spectrometry (GCHRMS) for multiresidue analysis of pesticides in fruits and vegetables is proposed; the aim is to add information to that obtained from targeted methods to be used in pesticide residues monitoring laboratories.Extract from fruit samples obtained with QuEChERS meth ...
DOI:
10.1016/j.chroma.2020.461118

4. Residue and toxicity of cyantraniliprole and its main metabolite J9Z38 in soil-earthworm microcosms

Author:
Zhang, Xiaolian; Wang, Xiuguo; Liu, Yalei; Fang, Kuan; Liu, Tong
Source:
Chemosphere 2020 v.249 pp. 126479
ISSN:
0045-6535
Subject:
pesticide residues,   etc   ; amides; cyantraniliprole; earthworms; metabolites; oxidative stress; soil; tandem mass spectrometry; toxicity; toxicity testing;     Show all 10 Subjects
Abstract:
... As part of a new generation of diamide insecticides, cyantraniliprole has broad application prospects. In the present study, a QuEChERS-UPLC-MS/MS method was established to determine the residues of cyantraniliprole and its main metabolite J9Z38 in soil and earthworms. Moreover, the accumulation and toxicity of cyantraniliprole and J9Z38 in earthworms were evaluated. The present results show that ...
DOI:
10.1016/j.chemosphere.2020.126479

5. Thiophanate-methyl induces severe hepatotoxicity in zebrafish

Author:
Jia, Kun; Cheng, Bo; Huang, Lirong; Xiao, Juhua; Bai, Zhonghui; Liao, Xinjun; Cao, Zigang; Shen, Tianzhu; Zhang, Chunping; Hu, Chengyu; Lu, Huiqiang
Source:
Chemosphere 2020 v.248 pp. 125941
ISSN:
0045-6535
Subject:
pesticide residues,   etc   ; Danio rerio; adults; apoptosis; caspase-3; fish larvae; hepatotoxicity; liver; oxidative stress; thiophanate-methyl;     Show all 10 Subjects
Abstract:
... Thiophanate-methyl (TM) is widely used all over the world and is a typical example of pesticide residues, which can be detected in the soil, and even in vegetables and fruits. However, the molecular mechanisms underlying the hepatotoxicity of TM are not well understood. In this study, we utilized zebrafish to comprehensively evaluate the hepatotoxicity of TM and explore how the molecular mechanism ...
DOI:
10.1016/j.chemosphere.2020.125941

6. A spectroscopic approach to detect and quantify phosmet residues in Oolong tea by surface-enhanced Raman scattering and silver nanoparticle substrate

Author:
Chen, Xi; Wang, Danhong; Li, Jie; Xu, Taotao; Lai, Keqiang; Ding, Qi; Lin, Hetong; Sun, Lin; Lin, Mengshi
Source:
Food chemistry 2020 v.312 pp. 126016
ISSN:
0308-8146
Subject:
pesticide residues,   etc   ; Raman spectroscopy; chemical pollutants; detection limit; electromagnetic field; least squares; nanosilver; oolong tea; phosmet;     Show all 9 Subjects
Abstract:
... There have been increasing concerns among consumers about pesticide residues in Oolong tea. This study aimed to establish surface-enhanced Raman scattering (SERS) method for rapid measurement of chemical contaminants in Oolong tea. Synthesis of SERS substrate was achieved by synthesizing silver nanoparticles (AgNPs) via a reduction method. AgNPs were spherical and highly monodispersed, which creat ...
DOI:
10.1016/j.foodchem.2019.126016

7. Evaluation of segmented non-target data acquisition (SWATH/vDIA) in a QToF and QOrbitrap for pesticide residue analysis

Author:
Rajski, Łukasz; Beraza, Iciar; Gómez Ramos, María José; Ferrer, Carmen; Fernández-Alba, Amadeo R.
Source:
Analytical methods 2020 v.12 no.15 pp. 2027-2038
ISSN:
1759-9679
Subject:
pesticide residues,   etc   ; analytical methods; data collection; instrumentation; ions; leeks; oranges; pesticides; tomatoes;     Show all 9 Subjects
Abstract:
... Two high-resolution instruments (a QToF and a QOrbitrap) were used to evaluate a segmented non-target MS2 (SWATH/vDIA) acquisition for pesticide residue analysis. Three matrices (tomato, orange, and leek) and 163 pesticides were used for this study. Samples were analysed by use of 1, 5, 8, and 20 mass windows and the last one was used only in the QToF. The objectives of the evaluation were: the nu ...
DOI:
10.1039/d0ay00290a

8. Pesticide residues evaluation of organic crops. A critical appraisal

Author:
Gómez-Ramos, María del Mar; Nannou, Christina; Martínez Bueno, María Jesús; Goday, Ana; Murcia-Morales, María; Ferrer, Carmen; Fernández-Alba, Amadeo R.
Source:
Food chemistry: X 2020 v.5 pp. 100079
ISSN:
2590-1575
Subject:
pesticide residues,   etc   ; analytical methods; crops; fruits; metabolites; monitoring; organic foods; pesticides; polar compounds; vegetables;     Show all 10 Subjects
Abstract:
... In the last decade, the consumption trend of organic food has increased dramatically worldwide. Since only a few pesticides are authorized in organic crops, concentrations are expected to range at zero or ultra-trace levels. In this context, the aim of the present study was to investigate the need for an improvement in the residue controls at very low concentrations (<0.010 mg kg⁻¹) and to assess ...
DOI:
10.1016/j.fochx.2020.100079
PubMed:
32083251
PubMed Central:
PMC7019120

9. Performance enhancement and sample throughput increase of a multiresidue pesticides method in fruits and vegetables using Data-Dependent MS acquisition

Author:
Tonoli, David; Staub Spörri, Aline; Blanco, Maria; Jan, Philippe; Larcinese, Jean-Paul; Schmidt-Millasson, Patricia; Ortelli, Didier; Edder, Patrick
Source:
Food additives & contaminants 2020 v.37 no.1 pp. 110-120
ISSN:
1944-0057
Subject:
pesticide residues,   etc   ; automation; fruits; information processing; liquid chromatography; multiresidue analysis; pesticides; tandem mass spectrometry; vegetables;     Show all 9 Subjects
Abstract:
... Due to the growing number of analysed pesticide residues, analytical strategies have evolved for the data processing of 100s of pesticides in a single analysis. We present herein a LC-MS/MS method based on triple quadrupole technology capable of detecting concentrations at 5 ng/g and confirming 381 pesticides in a single injection. Confirmatory analysis is performed using data-dependent acquisitio ...
DOI:
10.1080/19440049.2019.1676920

10. Review of Ionic Liquids in Microextraction Analysis of Pesticide Residues in Fruit and Vegetable Samples

Author:
Abdulra’uf, Lukman Bola; Lawal, Abubakar; Sirhan, Ala’ Yahya; Tan, Guan Huat
Source:
Chromatographia 2020 v.83 no.1 pp. 11-33
ISSN:
0009-5893
Subject:
pesticide residues,   etc   ; chromatography; fruits; ionic liquids; microextraction; physicochemical properties; sorbents; vegetables;     Show all 8 Subjects
Abstract:
... The objective of this work is to provide a critical review of the use of ionic liquids in the microextraction of pesticide residues in fruits and vegetables. It includes an assessment of the advantages and limitations of current applications of ionic liquids in microextraction techniques. The review also aims to illustrate the impact of ionic liquids on the development of novel sorbent materials f ...
DOI:
10.1007/s10337-019-03818-6

11. Experimental design in pesticide extraction methods: A review

Author:
Narenderan, S.T.; Meyyanathan, S.N.; Karri, Veera Venkata Satyanarayana Reddy
Source:
Food chemistry 2019 v.289 pp. 384-395
ISSN:
0308-8146
Subject:
pesticide residues,   etc   ; experimental design; pesticides; screening;     Show all 4 Subjects
Abstract:
... The sample extraction process is considered as the essential step in the pesticide residue analysis, as it provides the base for the detection of the pesticides in trace level. Various factors need to be optimized during the extraction of pesticides due to the complexity of the matrix which is time-consuming and tedious. Therefore, the use of experimental design in the optimization process proves ...
DOI:
10.1016/j.foodchem.2019.03.045

12. Recent advances in Baijiu analysis by chromatography based technology–A review

Author:
Jia, Wei; Fan, Zibian; Du, An; Li, Yunlong; Zhang, Rong; Shi, Qingyun; Shi, Lin; Chu, Xiaogang
Source:
Food chemistry 2020 v.324 pp. 126899
ISSN:
0308-8146
Subject:
pesticide residues,   etc   ; biogenic amines; chromatography; fermented beverages; flavor compounds; high-throughput screening methods; phthalates; screening; toxic substances; China;     Show all 10 Subjects
Abstract:
... Baijiu, a conventional fermented beverage with thousands history, plays a crucial part in physical health of people and social culture in China. The application of high-throughput screening and confirmation of flavor components in the field of authenticity identification and potential function has attracted more and more attention and interest of researchers. With more attention to health, pestici ...
DOI:
10.1016/j.foodchem.2020.126899

13. A one adsorbent QuEChERS method coupled with LC-MS/MS for simultaneous determination of 10 organophosphorus pesticide residues in tea

Author:
Yu, Congcong; Hao, Dongyu; Chu, Qiao; Wang, Ting; Liu, Songnan; Lan, Tao; Wang, Fenghe; Pan, Canping
Source:
Food chemistry 2020 v.321 pp. 126657
ISSN:
0308-8146
Subject:
pesticide residues,   etc   ; adsorbents; chlorophyll; electrostatic interactions; high performance liquid chromatography; lutein; organophosphorus pesticides; polyphenols; sorption isotherms; tandem mass spectrometry; tea;     Show all 11 Subjects
Abstract:
... Tea polyphenols, chlorophyll and lutein generally cause strong matrix effects and challenge analysis of trace substances in tea. Seven frequently used adsorbents were chosen to test removal ability for tea polyphenols, chlorophyll and lutein based on the adsorption isotherm fitting. Results showed that MWCNTs-NH₂ demonstrated the strongest removal ability, which may be ascribed to the π-π and elec ...
DOI:
10.1016/j.foodchem.2020.126657

14. Simultaneous determination of organophosphorus residues on curry leaf, decontamination through household techniques and risk assessment

Author:
Paramasivam, M.
Source:
Food chemistry 2020 v.321 pp. 126678
ISSN:
0308-8146
Subject:
pesticide residues,   etc   ; Bergera koenigii; decontamination; ethyl acetate; gas chromatography-mass spectrometry; guidelines; monitoring; photometry; risk; risk assessment; secondary amines; soot;     Show all 12 Subjects
Abstract:
... A simple analytical method was developed and validated, as per SANTE 2017 guidelines, for simultaneous determination of 10 organophosphorus residues in curry leaf using gas chromatography with flame photometric detection, and confirmed using gas chromatography-mass spectrometry. Samples were extracted with ethyl acetate and cleaned up with primary secondary amine and graphitized carbon black. Aver ...
DOI:
10.1016/j.foodchem.2020.126678

15. The influence of polyethylene microplastics on pesticide residue and degradation in the aquatic environment

Author:
Wang, Fang; Gao, Jing; Zhai, Wangjing; Liu, Donghui; Zhou, Zhiqiang; Wang, Peng
Source:
Journal of hazardous materials 2020 v.394 pp. 122517
ISSN:
0304-3894
Subject:
pesticide residues,   etc   ; aquatic environment; atrazine; azoxystrobin; desorption; half life; kinetics; metolachlor; microplastics; myclobutanil; pollution; polyethylene; simazine; sorption isotherms; tebuconazole; terbuthylazine;     Show all 16 Subjects
Abstract:
... Microplastics pollution has become a global concern in recent years. In this work, the potential influences of polyethylene (PE) microplastics on the residue, degradation and distribution behaviors of eight pesticides (epoxiconazole, tebuconazole, myclobutanil, azoxystrobin, simazine, terbuthylazine, atrazine and metolachlor) in the aquatic environment were investigated. The results showed that th ...
DOI:
10.1016/j.jhazmat.2020.122517

16. Co-delivery of chlorantraniliprole and avermectin with a polylactide microcapsule formulation

Author:
Suraphan, Nuntanit; Fan, Linfeng; Liu, Baoxia; Wu, Decheng
Source:
RSC advances 2020 v.10 no.43 pp. 25418-25425
ISSN:
2046-2069
Subject:
pesticide residues,   etc   ; Plutella xylostella; avermectins; biopesticides; emulsions; insecticidal properties; pesticide formulations; pollution; polylactic acid; synergism; thermal stability;     Show all 11 Subjects
Abstract:
... Improving drug utilization of water-based pesticide formulations is facile and feasible to efficiently avoid serious pesticide residues and reduce the resulting environmental pollution. A co-delivery system of two- or multi-pesticides within one formulation could enhance drug efficiency and decrease usage amounts of pesticides due to the synergistic effect of the loaded multiple pesticides. Herein ...
DOI:
10.1039/d0ra03825c

17. Review of pesticide residue analysis in fruits and vegetables. Pre-treatment, extraction and detection techniques

Author:
Narenderan, S.T.; Meyyanathan, S.N.; Babu, B.
Source:
Food research international 2020 v.133 pp. 109141
ISSN:
0963-9969
Subject:
pesticide residues,   etc   ; crops; fruits; gas chromatography; high performance liquid chromatography; human health; magnetism; nanoparticles; pesticides; shelf life; toxicity; urbanization; vegetables;     Show all 13 Subjects
Abstract:
... A wide variety of pesticides have been used in agriculture to increase the yield, quality and extend the storage life of crops. However, the use of pesticide has been increased now a day due to the ever-increasing population and rapid urbanization. The continuous uses of these pesticides have resulted in contamination of the environment, crops and also caused potential risk to human health. For th ...
DOI:
10.1016/j.foodres.2020.109141

18. Pesticide residues in agricultural topsoil from the Hainan tropical riverside basin: Determination, distribution, and relationships with planting patterns and surface water

Author:
Tan, Huadong; Li, Qinfen; Zhang, Huijie; Wu, Chunyuan; Zhao, Shuqiao; Deng, Xiao; Li, Yi
Source:
The Science of the total environment 2020 v.722 pp. 137856
ISSN:
0048-9697
Subject:
pesticide residues,   etc   ; basins; carbendazim; chlorpyrifos; fungicides; imidacloprid; organochlorine pesticides; planting; surface water; topsoil; vegetables; water pollution; watersheds; China;     Show all 14 Subjects
Abstract:
... Pesticide residues were assessed in rice-vegetable rotation topsoil from tropical riverside basin. The 256 tropical topsoil samples from the Nandu River Basin (NRB) and Wanquan River Basin (WRB) in Hainan (China) were taken from 2018 to 2019. A total of 32 current-use pesticides (CUPs) and nine legacy pesticides (LPs) were detected using a method based on a QuEChERS technique. The highest residues ...
DOI:
10.1016/j.scitotenv.2020.137856

19. Development and full validation of a multiresidue method for the analysis of a wide range of pesticides in processed fruit by UHPLC-MS/MS

Author:
Valera-Tarifa, N.M.; Santiago-Valverde, R.; Hernández-Torres, E.; Martínez-Vidal, J.L.; Garrido-Frenich, A.
Source:
Food chemistry 2020 v.315 pp. 126304
ISSN:
0308-8146
Subject:
pesticide residues,   etc   ; calibration; cyprodinil; fluopyram; fruits; guidelines; multiresidue analysis; spinosad; tandem mass spectrometry; ultra-performance liquid chromatography; uncertainty;     Show all 11 Subjects
Abstract:
... A reliable 16-min analytical method for the simultaneous determination of 250 pesticides in processed fruit using ultra-performance liquid chromatography, coupled to tandem mass spectrometry (UHPLC–MS/MS), was developed and validated according to SANTE 11813/2017 guidelines and accredited successfully based on ISO 17025. Extraction was achieved using a modified QuEChERS method, without any clean-u ...
DOI:
10.1016/j.foodchem.2020.126304

20. Miniaturized QuEChERS method for determination of 97 pesticide residues in wine by ultra-high performance liquid chromatography coupled with tandem mass spectrometry

Author:
Bernardi, Gabrieli; Kemmerich, Magali; Adaime, Martha B.; Prestes, Osmar D.; Zanella, Renato
Source:
Analytical methods 2020 v.12 no.21 pp. 2682-2692
ISSN:
1759-9679
Subject:
pesticide residues,   etc   ; high performance liquid chromatography; multiresidue analysis; pesticides; solid phase extraction; tandem mass spectrometry; ultra-performance liquid chromatography; wines;     Show all 8 Subjects
Abstract:
... A miniaturized sample preparation method was developed and validated for the multiresidue determination of 97 pesticides in wine samples. The proposed extraction procedure is based on the QuEChERS acetate method with dispersive solid phase extraction (d-SPE) for the clean-up step. Ultra-high performance liquid chromatography coupled with tandem mass spectrometry (UHPLC-MS/MS) was used for determin ...
DOI:
10.1039/d0ay00744g