Comparison of Two Recent Solventless Methods for the Determination of Procymidone Residues in Wines:  SPME/GC/MS and ELISA Tests

Urruty, Louise; Montury, Michel; Braci, Madeleine; Fournier, J.; Dournel, Jean-Marc

doi:10.1021/jf9609643

Cited by 38 publications

(18 citation statements)

References 22 publications

(20 reference statements)

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“…When comparing the concentrations of lambda-cyhalothrin obtained by the SPME procedure with those obtained by the conventional method (Table 5), it was found that results differed only by a factor of 3 for all samples. Similar differences have been reported in the literature, and even with higher ratios when comparing results obtained by SPME with those obtained by conventional methods [29]. Finally, data for lambda-cyhalothrin in real samples followed the expected behavior: the concentration decreased proportionally to time elapsed since active ingredient application (dissipation curve).…”

Section: Analysis Of Real-world Vegetable Samplessupporting

confidence: 87%

“…Although several papers deal with direct immersion of the SPME fiber into a slurry of fruit with water [21,29], other authors describe the need for a previous extraction of pesticides and the subsequent application of DI-SPME over the separated aqueous extract [30,31,32,33]. The use of microwave-assisted extraction allows one to increase the extraction efficiency of less polar pesticides using water as extractant [29,34]. Once the aqueous extract is obtained, the presence of interfering substances can reduce the efficiency of SPME.…”

Section: Introductionmentioning

confidence: 99%

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Application of solid-phase microextraction for the determination of pyrethroid residues in vegetable samples by GC-MS

Beltrán

Peruga

Pitarch

et al. 2003

Analytical and Bioanalytical Chemistry

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A solid-phase microextraction (SPME) method has been developed for the determination of 7 pyrethroid insecticides (bifenthrin, lambda-cyhalothrin, permethrin, cyfluthrin, cypermethrin, fenvalerate, and tau-fluvalinate) in water, vegetable (tomato), and fruit (strawberry) samples, based on direct immersion mode and subsequent desorption into the injection port of a GC/MS. The SPME procedure showed linear behavior in the range tested (0.5-50 microg L(-1) in water and 0.01-0.1 mg kg(-1) in tomato) with r(2) values ranging between 0.97 and 0.99. For water samples limits of detection ranged between 0.1 and 2 microg L(-1 )with relative standard deviations lower than 20%. Detection limits for tomato samples were between 0.003 and 0.025 mg kg(-1) with relative standard deviations around 25%. Finally, the SPME procedure has been applied to vegetable (tomato) and fruit (strawberry) samples obtained from an experimental plot treated with lambda-cyhalothrin, and in both cases the analyte was detected and quantified using a calibration curve prepared using blank matrix. SPME has been shown to be a simple extraction technique which has a number of advantages such as solvent-free extraction, simplicity, and compatibility with chromatographic analytical systems. Difficulties with the correct quantification in a complex matrix are also discussed.

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Section: Analysis Of Real-world Vegetable Samplessupporting

confidence: 87%

Section: Introductionmentioning

confidence: 99%

Application of solid-phase microextraction for the determination of pyrethroid residues in vegetable samples by GC-MS

Beltrán

Peruga

Pitarch

et al. 2003

Analytical and Bioanalytical Chemistry

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“…Several kinds of SPME fibers are commercially available including polydimethylsiloxane (PDMS) [5][6][7][8][9][10][11], carbowax-divinlybenzene (CW-DVB) [12,13], polydimethylsiloxane-divinlybenzene (PDMS-DVB) [14][15][16], polyacrylate (PA) [17][18][19], divinylbenzene-carboxen-polydimethylsiloxane (DVB-CAR-PDMS) [20][21][22]. In recent years, studies have been focused on fabricating low cost, simple, robust and long-life fiber for the target analyte [23].…”

Section: Introductionmentioning

confidence: 99%

Preparation and characterization of sodium dodecyl sulfate doped polypyrrole solid phase micro extraction fiber and its application to endocrine disruptor pesticide analysis

Korba

Pelit

et al. 2013

Journal of Chromatography B

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“…However, the SPE technique is time-consuming, labor-intensive and expensive. Solid phase microextraction (SPME) has been also applied to the determination of fungicides [4][5][6]. Although SPME normally provides a higher selectivity than SPE, the matrix of sample reduces significantly its extraction efficiency [7,8].…”

Section: Introductionmentioning

confidence: 99%

Application of Dispersive Liquid–Liquid Microextraction for the Analysis of Six Fungicides in Fruit Samples by GC–ECD

Huo

Lin

et al. 2011

Chromatographia

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A novel approach for the determination of six fungicides (triadimefon, procymidone, hexaconazole, myclobutanil, diniconazole and iprodione) in fruit samples is presented. Analytes were extracted using the dispersive liquid-liquid microextraction technique and determined by GC-ECD. Parameters affecting the dispersive liquid-liquid microextraction performance, such as the kind and volume of extraction and dispersive solvents, extraction time and salt concentration, were studied and optimized. Under the optimum extraction conditions, the linearities of the method were obtained in the range of 0.5-20.0 lg kg -1 for triadimefon, hexaconazole, diniconazole and procymidone, and 1.0-40.0 lg kg -1 for myclobutanil and iprodione, with the correlation coefficients ranging from 0.9902 to 0.9995. The enrichment factors ranged from 685 to 820 and the extraction recoveries ranged from 81.3 to 98.4%. The relative standard deviations varied from 3.1 to 7.8%. The limits of detection of the method were in the range of 0.02-0.12 lg kg -1 . Results showed that the method we proposed can meet the requirements for the determination of target fungicides in fruit samples. Several compounds considered in this study were found in fruit samples.

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Comparison of Two Recent Solventless Methods for the Determination of Procymidone Residues in Wines: SPME/GC/MS and ELISA Tests

Abstract: Keywords: Procymidone; wine; SPME; ELISA; method comparison

Cited by 38 publications

References 22 publications

Application of solid-phase microextraction for the determination of pyrethroid residues in vegetable samples by GC-MS

Application of solid-phase microextraction for the determination of pyrethroid residues in vegetable samples by GC-MS

Preparation and characterization of sodium dodecyl sulfate doped polypyrrole solid phase micro extraction fiber and its application to endocrine disruptor pesticide analysis

Application of Dispersive Liquid–Liquid Microextraction for the Analysis of Six Fungicides in Fruit Samples by GC–ECD

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