Evaluation of endosulfan residues in vegetables grown in greenhouses

Arrebola, Francisco; González, Francisco Javier Egea; Moreno, M. L.; Fernández‐Gutiérrez, Alberto; Hernández-Torres, M.E.; Martı́nez-Vidal, José Luis

doi:10.1002/ps.332.abs

Cited by 4 publications

(4 citation statements)

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“…The biotransformation of endosulfan within plants yielded several metabolites, including the corresponding sulfate, diol, ether, and lactone . Because of the [ 14 C] analytical methodology used, we cannot discriminate between endosulfan and metabolites.…”

Section: Results and Discusionmentioning

confidence: 99%

Root‐to‐Shoot transfer and distribution of endosulfan in the wetland macrophyte Bidens laevis L.

Pérez¹,

Menone²,

Doucette

2013

Enviro Toxic and Chemistry

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Endosulfan is genotoxic in somatic cells of Bidens laevis, and reproduction could be affected if translocated from roots to flower buds. Hydroponic experiments were conducted to quantify this transfer. While the root uptake of [(14) C] endosulfan and its transfer to aboveground tissues was relatively low, the resulting average flower bud concentration (1.01 ± 0.76 ng/g) after 30 d of exposure to an aqueous concentration of 5 μg/L could still represent a genotoxic risk for germ cells.

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Section: Results and Discusionmentioning

confidence: 99%

Root‐to‐Shoot transfer and distribution of endosulfan in the wetland macrophyte Bidens laevis L.

Pérez¹,

Menone²,

Doucette

2013

Enviro Toxic and Chemistry

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“…Although complex matrices still pose a challenge for some residues in full scan mode, full scan data is necessary to prevent the reporting of false positives [7]. The combination of GC-MS provides analysis of trace amounts of pesticide residues in diverse samples ranging from biological fluids [8] [9], waters [10] [11], or fruits and vegetables [12] [13]. In this study, pesticide residues in surface waters and selected food samples (corn, rice, wheat, cucumber, tomato, cabbage, melon and blueberry) were evaluated.…”

Section: Introductionmentioning

confidence: 99%

Quantitation of Pesticide Residue in Water and Food in Louisiana, USA

Adeniyi¹,

Hernandez²,

LeBlanc³

et al. 2016

JWARP

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Pesticides can remain in the environment for decades and contaminate surface water that is used for irrigation of produce. This study examined pesticide residues in some surface waters and foods in Louisiana. Samples of 8 foods (tomato, corn, rice, blueberry, cucumber, cabbage, wheat and melon) and 35 surface waters were studied using a QuEChERS extraction method for food samples and liquid-liquid extraction method for the water samples. Gas chromatography-mass spectrometry was used to analyze water and food samples. Nine pesticides were detected in the surface water samples and 5 in the food samples. Pesticides detected in foods were below FDA tolerance limit but 0.18 ppm cypermethrin found in tomato was within 90% of the FDA limit (0.2 ppm). Four water samples had atrazine levels that were above the FDA limit for potable water. This study suggests the need to intermittently monitor pesticide contamination in our food and water.

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“…This problem has been resolved by the mass spectrometry analyzers, particularly by the tandem mass spectrometry (MS-MS) mode, which has been applied to the analysis of trace amounts of pesticides in different matrices such as biological fluids, 8 water samples 9 and vegetables. 10 Many papers have reported the determination of pesticides in vegetables, for a small number of pesticides, [11][12][13] while other methods analyze a large number of different pesticides in fruits and vegetables. [14][15][16][17] In recent years, publications in this field have been related to the determination of a discrete number of pesticides, between 7 and 30, in a particular vegetable or in multiple vegetables, using modern techniques of sample preparation, such as the use of solid-phase dispersion using primary and secondary amine (PSA) and graphitized carbon, 18 single drop microextration (SDME), [19][20][21] solid-phase extraction (SPE) 22 and microextraction (SPME), 23 and stir bar sorptive extraction (SBSE).…”

Section: Introductionmentioning

confidence: 99%