Degradation pattern and risk assessment of chlorantraniliprole on berseem (Trifolium alexandrinum L.) using high performance liquid chromatography

Mandal, Kousik; Kaur, Ramandeep; Sahoo, Sanjay Kumar; Arora, Ramesh; Singh, Balwinder

doi:10.1016/j.chemosphere.2014.03.054

Cited by 14 publications

(2 citation statements)

References 12 publications

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“…Half-lives of this a.s. amounted to 0.93–1.33 days in berseem ( Trifolium alexandrinum L.) (Mandal et al 2014), 1.31 days in cowpea fruit (Vijayasree et al 2013), 1.36 in cauliflower (Kar et al 2013), 1.58 and 1.80 in brinjal, 1.6 and 1.7 in okra fruit (Vijayasree et al 2015), 2.441 days in summer season and 2.988 days in winter season in tomato (Shams El-Din 2015), 2.7 in grape (Malhat 2012) and 9.0–10.8 days in maize straw (He et al 2016). In 2013, during the official control of pesticide residues in food, chlorantraniliprole was one of the most frequently detected pesticides in apples (10.3% samples), with the highest and the mean residue levels of 0.14 and 0.011 mg/kg, respectively (Scientific Report of EFSA 2015), that suggests its slower dissipation in apple fruit than in other crops, and is consistent with our results.…”

Section: Resultsmentioning

confidence: 99%

Dissipation of chlorantraniliprole, chlorpyrifos-methyl and indoxacarb—insecticides used to control codling moth (Cydia Pomonella L.) and leafrollers (Tortricidae) in apples for production of baby food

Szpyrka

Matyaszek

Słowik‐Borowiec

2017

Environ Sci Pollut Res

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Dissipations of three insecticides: chlorantraniliprole, chlorpyrifos-methyl and indoxacarb in apples were studied following their foliar application on apples intended for production of baby food. The apples were sprayed with formulations for control of codling moth (Cydia Pomonella L.) and leafrollers (Tortricidae). Six experiments were conducted; each insecticide was applied individually on dessert apples. A validated gas chromatography-based method with simultaneous electron capture and nitrogen–phosphorus detection (GC-ECD/NPD) was used for the residue analysis. The analytical performance of the method was satisfactory, with expanded uncertainties ≤36% (a coverage factor, k = 2, and a confidence level of 95%). The dissipations of insecticides were studied in pseudo-first-order kinetic models (for which the coefficient of determination, R 2, ranged between 0.9188 and 0.9897). Residues of studied insecticides were below their maximum residue limits of 0.5 mg/kg at an early stage of growth of the fruit. The half-lives of chlorantraniliprole, chlorpyrifos-methyl and indoxacarb were 16–17, 4–6 and 20–24 days, respectively. The initial residue levels declined gradually and reached the level of 0.01 mg/kg in 1 month for chlorpyrifos-methyl, 2 months for chlorantraniliprole and 2.5 months for indoxacarb. To obtain the insecticide residue levels below 0.01 mg/kg, which is the default MRL for food intended for infants and young children, the application of the studied insecticides should be carried out at recommended doses not later then: 1 month before harvest for chlorpyrifos-methyl, 2 months for chlorantraniliprole and 2.5 months for indoxacarb.Electronic supplementary materialThe online version of this article (doi:10.1007/s11356-017-8821-z) contains supplementary material, which is available to authorized users.

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Section: Resultsmentioning

confidence: 99%

Dissipation of chlorantraniliprole, chlorpyrifos-methyl and indoxacarb—insecticides used to control codling moth (Cydia Pomonella L.) and leafrollers (Tortricidae) in apples for production of baby food

Szpyrka

Matyaszek

Słowik‐Borowiec

2017

Environ Sci Pollut Res

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“…Mandal et al (2014) found chlorantraniliproleat at ve different dosages i.e., 11.6, 17.1, 23.1, 34.7 and 46.2 g a.i. ha − 1 does not seem to pose any hazards to the cattle and awaiting period of one day is suggested to reduce the risk before consumption of berseem leaves.…”

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confidence: 91%

Determination of chlorantraniliprole 18.5% SC in the paddy ecosystem and its risk assessment

Mahato¹,

Bheemanna

R³

et al. 2022

Preprint

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Supervised field trials were conducted during rabi and kharifseasons to evaluate the dissipation pattern of chlorantraniliprole 18.5% SC in the paddy ecosystem. Modified QuEChERS (Quick, Easy, Cheap, Effective, Rugged and Safe) method was used for the extraction and clean-upof chlorantraniliprole residues and determined using LC-MS/MS in the ESI positive mode. The limit of quantification (LOQ) was 0.01 µg g− 1for paddy leaf, straw, husk, and brown rice, and for soil was 0.005 µg g− 1. The obtained average recoveries were 84.30–88.92%, 94.25–97.81%, 90.21–93.38%, 93.57–96.40% and 89.93–91.14% from paddy leaf, straw, husk, brown rice and soil, respectively. The relative standard deviation was less than 9% in all the matrices. The residues in paddy leaf dissipated within 35 to 40 days with a half-life of 4.33–5.07 days in rabi and 3.92– 4.86 days in kharifat 30 and 60 g a.i. ha− 1, respectively. The residues in soil dissipated within 15–21dayswith a half-life of 14.44–15.75 and 13.33–14.44 days in rabi and kharif season, respectively. At harvest, chlorantraniliprole residues were not detected in straw, husk, and brown rice. The dietary risk of paddy leaf (green fodder) for cattle was found safe for consumption as the hazard index is less than one. Soil ecological risk assessment was found to be less than one (RQ < 0.1) for earthworms and arthropods.

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Dissipation and residues of the diamide insecticide chlorantraniliprole in ginseng ecosystems under different cultivation environments

Lü

Fang

YaJuan

et al. 2017

Environ Monit Assess

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Ginseng is a valuable herb, the roots of which have been consumed for medicinal use since ancient times in Asian countries. Currently, its cultivation in China is conducted in either forests or non-forest areas. In this study, we investigated the dissipation and residues of the diamide insecticide chlorantraniliprole (CAP) in ginseng ecosystems in these two cultivation environments. The half-life of CAP in ginseng leaves was calculated to be 16.5 days in non-forest areas and 23.9 days in forests, while the half-life of CAP in the soil under non-forest and forest cultivation was 33.0 and 53.3 days, respectively. The relatively long persistence of CAP in ginseng leaves and soil could be attributed to the unique cultivation techniques of ginseng, which prevents exposure to direct sunlight irradiation and rainfall. The residual amounts of CAP in ginseng leaves, roots, and soil in non-forest areas were 0.168, 0.011, and 0.013 mg kg 21 days after CAP application at the maximum label-allowed dosage and frequency versus 0.564, 0.013, and < 0.005 mg kg in forests. CAP application strategies for the control of Lepidoptera pests such as armyworms, and the safety of harvested ginseng roots are recommended for ginseng cultivated in forests and non-forest areas based on the results of the CAP residue experiments.

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Degradation pattern and risk assessment of chlorantraniliprole on berseem (Trifolium alexandrinum L.) using high performance liquid chromatography

Cited by 14 publications

References 12 publications

Dissipation of chlorantraniliprole, chlorpyrifos-methyl and indoxacarb—insecticides used to control codling moth (Cydia Pomonella L.) and leafrollers (Tortricidae) in apples for production of baby food

Dissipation of chlorantraniliprole, chlorpyrifos-methyl and indoxacarb—insecticides used to control codling moth (Cydia Pomonella L.) and leafrollers (Tortricidae) in apples for production of baby food

Determination of chlorantraniliprole 18.5% SC in the paddy ecosystem and its risk assessment

Dissipation and residues of the diamide insecticide chlorantraniliprole in ginseng ecosystems under different cultivation environments

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