Determination of acetamiprid residues in zucchini grown under greenhouse conditions: application to behavioral dynamics

Park, Jiyeon; Choi, Jeong‐Heui; Kim, Bo-Mee; Park, Jong-Hyouk; Cho, Soon‐Kil; Ghafar, Mohamed W.; El‐Aty, A. M. Abd; Shim, Jae‐Han

doi:10.1002/bmc.1529

Cited by 36 publications

(20 citation statements)

References 20 publications

(26 reference statements)

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“…Eight and 10 days after treatment, the concentrations of acetamiprid were 0.152 and 0.134, and the respective dissipation rates 71 and 75%. In sweet cherry samples collected on day 12, the content of acetamiprid residues was 0.139 mg/ kg (74%), a slightly higher concentration than it was on day 10, which may be due to an error in handling and/or analysis of the sample (Park et al, 2011). The pre-harvest interval for acetamiprid in sweet cherries in Serbia is 14 days (Sekulić and Jeličić, 2013).…”

Section: Acetamiprid Residues In Treated Sweet Cherry Samplesmentioning

confidence: 99%

Dissipation rate of acetamiprid in sweet cherries

Lazić¹,

Šunjka²,

Panic³

et al. 2014

PESTIC PHYTOMED

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SUMMARYDegradation of acetamiprid in sweet cherry samples was evaluated at several intervals from the product application until the end of the pre-harvest interval. An orchard of sweet cherries located at Stepanovićevo village near Novi Sad was used in this study. Acetamiprid was applied according to the manufacturer's recommendation for protecting sweet cherries from their most important pests. Sweet cherry fruit samples were collected at eight intervals: immediately after acetamiprid application and 2, 4, 6, 8, 10, 12 and 14 days after application. The extraction of acetamiprid from sweet cherry samples was performed using a QuEChERS-based method. Determination was carried out using an HPLC-UV diode array detection system (Agilent 1100, United States) with an Agilent Zorbax Eclipse C18 column (50 mm × 4.6 mm internal diameter, 1.8 µm particle size). The method was subjected to a thorough validation procedure. The recovery data were obtained by spiking blank sweet cherry samples at three concentration levels (0.1-0.3 mg/ kg), yielding 85.4% average recovery. Precision values expressed as relative standard deviation (RSD) were below 1.61% for the intraday precision. Acetamiprid showed linear calibrations from 0.05 to 2.5 µg/ml with correlation coefficient (R 2 ) of 0.995%. The limit of detection and limit of quantification were found to be 5 µg/kg and 14 µg/kg, respectively. The validated method was applied in the analysis of acetamiprid in sweet cherry samples. During the study period, the concentration of acetamiprid decreased from 0.529 mg/kg to 0.111 mg/kg. The content of acetamiprid in sweet cherry samples at the end of the pre-harvest interval was below the maximum permissible level specified by the Serbian and EU MRLs.

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Section: Acetamiprid Residues In Treated Sweet Cherry Samplesmentioning

confidence: 99%

Dissipation rate of acetamiprid in sweet cherries

Lazić¹,

Šunjka²,

Panic³

et al. 2014

PESTIC PHYTOMED

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“…Evaporation, rain-rinse, photolysis, hydrolysis, metabolism and growth dilution are important degradation processes influencing the fate of pesticides in or on plants. [9][10][11][12] Evaporation, rain-rinse and photolysis mainly occur on the leaf surface. [13][14][15][16] Some AIs can be taken up by the leaf, where they would be subjected to different environmental variables.…”

Section: Introductionmentioning

confidence: 99%

Washing fresh tea leaves before picking decreases pesticide residues in tea

et al. 2020

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BACKGROUND The use of pesticides during tea plant cultivation helps agricultural production and prevents and controls pests, diseases and weeds. It is of the utmost importance to balance pesticide application with tea quality, safety and consumer health. The uptake of pesticides into plants may lead to the presence of residues that are hazardous to human health, especially for some foliar‐applied insecticides. The movability or penetration behavior of a pesticide remains unknown after it has been sprayed on a tea leaf. RESULTS Two organophosphate (acephate, trichlorfon) and three neonicotinoid pesticides (imidacloprid, thiamethoxam and acetamiprid) were confirmed with respect to their removal from the treated fresh leaves of tea saplings via washing in a phytotron. Four of the targets have little penetrative ability into tea leaves, mainly existing (> 92%) on the tea leaf surface, except for trichlorfon (> 70%), for 30 days. With higher vapor pressures, trichlorfon and acetamiprid had relatively higher penetration ratios of 8.63–29.60% and 0.28–8.03% respectively. Two organophosphate insecticides were found to degrade more quickly, with lower final amounts of residues on and in the whole leaf compared to the neonicotinoid pesticides. In a field test, these residues could be reduced by 45–72% after a pre‐harvest interval of 3 days, and by 16–89% after 7 days, when the fresh tea shoots were sprayed with 2 or 4 L m−2 water. CONCLUSION Pesticides with different structures have different penetration abilities on the tea leaf surface, and some pesticides in commercial tea can be reduced by spraying with water before fresh leaves are picked. © 2020 Society of Chemical Industry

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“…[4][5][6][7][8] These facts impose the need for reliable analytical methods for the determination of these two compounds in their mixtures. The analytical techniques used most widely for acetamiprid determination are gas chromatography 9,10 and liquid chromatography (LC) with diode array (DA), [4][5][6][7]11,12 mass spectrometric (MS), 6,7,[13][14][15][16][17][18][19][20] and thermal lens spectrometric 21 detection. Some alternative techniques, such as enzyme-linked immunosorbent assay, 22 spectrophotometry, 23 colorimetry, 24 Fourier transform infrared spectroscopy 6 and voltammetry, 6,25 have also been employed to analyze different acetamiprid (and 6-CNA) containing samples.…”

Section: Introductionmentioning

confidence: 99%

Derivative spectrophotometric determination of acetamiprid in the presence of 6-chloronicotinic acid

Guzsvány

Lazic

Vidakovic

et al. 2012

JSCS

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A simple first-order derivative spectrophotometric method was developed for the simultaneous determination of acetamiprid and 6-chloronicotinic acid (6-CNA) at pH 7.0. By using the zero-crossing approach, acetamiprid was determined at 269.0 nm and 6-CNA at 216.0 nm with the detection limits of 7.19x10-7 and 8.25x10-7 mol dm-3, respectively and relative standard deviations not exceeding 1.2% in the case of model systems

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Determination of acetamiprid residues in zucchini grown under greenhouse conditions: application to behavioral dynamics

Cited by 36 publications

References 20 publications

Dissipation rate of acetamiprid in sweet cherries

Dissipation rate of acetamiprid in sweet cherries

Washing fresh tea leaves before picking decreases pesticide residues in tea

Derivative spectrophotometric determination of acetamiprid in the presence of 6-chloronicotinic acid

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