Determination of 266 pesticide residues in apple juice by matrix solid-phase dispersion and gas chromatography–mass selective detection

Chu, Xiaogang; Hu, Xiaozhong; Hui-yuan, Yao

doi:10.1016/j.chroma.2004.12.003

Cited by 117 publications

(48 citation statements)

References 24 publications

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“…Most of the pesticide determination in food samples is usually performed using GC in combination with electroncapture detection (ECD) [1,2], nitrogen-phosphorus detection [2,3] or MS detection [4][5][6].…”

Section: Introductionmentioning

confidence: 99%

“…Several methods based on supercritical fluid extraction [9,10], solidphase extraction [11,12], solid-phase microextraction [13], stir bar sorptive extraction [14][15][16] and matrix solid-phase dispersion (MSPD) [1,5,[17][18][19][20][21][22][23] have been developed to overcome the drawbacks caused by using high amounts of glassware and toxic solvents in the classical liquid extraction methods.…”

Section: Introductionmentioning

confidence: 99%

“…MEs are notoriously variable in occurrence and intensity, the GC technique being particularly prone to them [5,28]. The ME is a phenomenon that makes the analyte chromatographic response to be different (higher or lower) in the matrix presence.…”

Section: Introductionmentioning

confidence: 99%

“…The MSPD procedure allows the extraction and cleanup of analytes in a single step and is based on the dispersion of the sample on an adsorbent, such as florisil, C18, alumina or silica, followed by eluting with a small amount of solvent [24]. However, in spite of the fact that most of these modern methods provide a simple and rapid procedure for the determination of pesticides in fruits matrices, they do not avoid the presence of co-extracted matrix components that can result in a matrix effect (ME) in the pesticide analysis [25][26][27].MEs are notoriously variable in occurrence and intensity, the GC technique being particularly prone to them [5,28]. The ME is a phenomenon that makes the analyte chromatographic response to be different (higher or lower) in the matrix presence.…”

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confidence: 99%

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Matrix effects observed during pesticides residue analysis in fruits by GC

Freitas¹,

Lanças²

2009

J of Separation Science

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The influence of the sample matrix in the GC-electron-capture detection analysis of the pesticides dimethoate, diazinon, chlorothalonil, parathion methyl and fenitrothion in fruits samples has been studied. Experiments have been carried out where the pesticide responses in standard solutions prepared in selected solvent were compared with their response when present in apple, mango, papaya, banana, pineapple and melon extracts. The presence of matrix effects (MEs) and their extent were shown to be simultaneously influenced by several factors (matrix concentration, matrix type, pesticide concentration, analytical range). Pronounced MEs were observed particularly for dimethoate and diazinon in all matrices tested; in lower concentrations, all pesticides presented significant ME. The other pesticides presented variable ME. Higher ME enhancement was detected at lower pesticide concentration levels of and/or at higher matrix concentration solutions. The ME detected for fenitrothion, in the analytical range evaluated, were dependent on matrix type. For each pesticide, solvent and matrix-matched calibrations were compared for all fruit samples, and it could be concluded that quantitation based on standard solutions prepared in blank matrix extract (matrix-matched calibration) should be used to compensate the MEs and to obtain more accurate results for the pesticides studied. IntroductionMost of the pesticide determination in food samples is usually performed using GC in combination with electroncapture detection (ECD) [1,2], nitrogen-phosphorus detection [2,3] or MS detection [4][5][6].Analytical procedures for determination of pesticides in fruit matrices are usually based on an extraction step, using conventional liquid-liquid extraction, followed by a clean-up procedure prior to chromatographic analysis [7,8]. Several methods based on supercritical fluid extraction [9, 10], solidphase extraction [11,12], solid-phase microextraction [13], stir bar sorptive extraction [14][15][16] and matrix solid-phase dispersion (MSPD) [1,5,[17][18][19][20][21][22][23] have been developed to overcome the drawbacks caused by using high amounts of glassware and toxic solvents in the classical liquid extraction methods.MSPD has proven useful as an extraction technique for the determination of pesticide residues in fruits and vegetables by GC [1,4] or LC [18,19]. The MSPD procedure allows the extraction and cleanup of analytes in a single step and is based on the dispersion of the sample on an adsorbent, such as florisil, C18, alumina or silica, followed by eluting with a small amount of solvent [24]. However, in spite of the fact that most of these modern methods provide a simple and rapid procedure for the determination of pesticides in fruits matrices, they do not avoid the presence of co-extracted matrix components that can result in a matrix effect (ME) in the pesticide analysis [25][26][27].MEs are notoriously variable in occurrence and intensity, the GC technique being particularly prone to them [5,28]. The ME is a phenomenon th...

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

mentioning

confidence: 99%

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Matrix effects observed during pesticides residue analysis in fruits by GC

Freitas¹,

Lanças²

2009

J of Separation Science

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“…organophosphorus and organonitrogen) in fruits, vegetables and their juices, among which the most widely used are Gas Chromatography (GC) equipped with different detectors, such as: Mass Spectrometry (MS) (Mercer, 2005, Chua et al 2005, Cunha et al 2009, Wang et al 2006, Hu et al 2004, Flame Photometric Detector (FPD) (Tseng et al 2007), Nitrogen Phosphorous Detector (NPD) (Albero et al 2003, Attallah et al 2012, and Liquid Chromatography (LC) with Tandem Mass Spectrometry (MS/MS) (Perret et al 2002, Pang et al 2006, Borba da Cunha et al 2004, Fluorescent detector (FD) (Fillion et al 2000), etc. Although it is characterized by lower sensitivity than GC-MS and LC-MS and is not normally used for the analysis of complex samples, HPLC combined with ultraviolet (UV) and/or Diode Array Detector (DAD) is used for the determination of organophosphorus and triazines in different matrices (Rodriguez-Cuesta et al 2005, Sanchez-Ortega et al 2005, Baranowska et al 2005, Texeira et al 2004, Melo et al 2005.…”

Section: Introductionmentioning

confidence: 99%

Application of Rapid Resolution Liquid Chromatography to the Analysis of Some Pesticide Residues in Apple Juice

Velkoska-Markovska¹,

Petanovska‐Ilievska²,

Markovski³

2017

AgricultForest

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SUMMARYThis paper presents the application of a new, precise, accurate and reliable rapid resolution liquid chromatography (RRLC) method with ultraviolet-diode array detection (UV-DAD) for the determination of some organonitrogen and organophosphorus pesticide residues in apple juice samples. The successful separation and quantitative determination of analytes were achieved using a Poroshell EC 120-C18 (50 mm x 3 mm; 2.7 µm) analytical column maintained at 25 0 C and the detection was monitored at 220 nm and 270 nm. The mixture of acetonitrile/water (50/50, V/V) was used as a mobile phase, with flow rate of 1 mL/min. Specificity, selectivity, linearity, precision, accuracy and limit of quantification (LOQ) were examined to assess the validity of the developed method according to European Commission guidelines for pesticide residue analytical methods and all the performance characteristics were found within acceptance criteria. The obtained values for multiple correlation coefficients (R 2 ) were > 0.96, relative standard deviation (RSD) of retention times and peak areas were ≤ 1.15 %, and recoveries ranged from 93.98 % -118.60 %, with RSD ≤ 1.77 %. The proposed method was successfully applied for the determination of investigated pesticides in apple juice samples. The detectable residues of examined pesticides were not found in the analysed samples.

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Comparison of different extraction methods for the simultaneous determination of pesticide residues in kiwi fruit using gas chromatography–mass spectrometry

Cho

El‐Aty

Jeon³

et al. 2008

Biomedical Chromatography

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The methods of simultaneous extraction of iprodione, chlorpyrifos-methyl, EPN and endosulfan (with its metabolites) from kiwi fruit using accelerated solvent extraction (ASE), supercritical fluid extraction (SFE), and liquid-liquid extraction (LLE) were tested and compared in terms of their of limits of detection and quantification, as well as the highest pesticide recoveries with the lowest residues in the final extracts. The analysis was performed using gas chromatography-mass spectrometry in the selected ion monitoring mode. The proposed methods featured good sensitivity, pesticide quantification limits were low enough, and the precision (expressed as relative standard deviations) ranged from 0.56 to 7.17%. The recoveries obtained from ASE, SFE and LLE were 77.5-120, 71.9-109.1 and 75.6-127.1%, respectively. The proposed methods were successfully applied for the monitoring of the selected pesticide residues in kiwi fruit samples collected from Jollanamdo area, Republic of Korea. Iprodione was detected at a level lower than the maximum residue limit (MRL) established by the Korea Food and Drug Administration (5 ppm), while EPN was detected at a level higher than the Korea Food and Drug Administration MRL (0.1 ppm) in the real samples. The proposed sample preparations led to a higher preconcentration of the pesticide fraction, and allowed the sensitive and selective determination of pesticides with varied physicochemical properties in kiwi fruit.

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Determination of 266 pesticide residues in apple juice by matrix solid-phase dispersion and gas chromatography–mass selective detection

Cited by 117 publications

References 24 publications

Matrix effects observed during pesticides residue analysis in fruits by GC

Matrix effects observed during pesticides residue analysis in fruits by GC

Application of Rapid Resolution Liquid Chromatography to the Analysis of Some Pesticide Residues in Apple Juice

Comparison of different extraction methods for the simultaneous determination of pesticide residues in kiwi fruit using gas chromatography–mass spectrometry

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