دورية أكاديمية
Degradation dynamics of organophosphorus insecticides applied in stored soybean (Glycine max L.) during supervised trials. ; Dinámica de la degradación de insecticidas organofosforados aplicados en soja almacenada (Glycine max L.) durante ensayos supervisados.
| العنوان: | Degradation dynamics of organophosphorus insecticides applied in stored soybean (Glycine max L.) during supervised trials. ; Dinámica de la degradación de insecticidas organofosforados aplicados en soja almacenada (Glycine max L.) durante ensayos supervisados. |
|---|---|
| المؤلفون: | Strada, Julieta, Bruno, Cecilia, Nassetta, Mirtha María, Balzarini, Monica, Conles, Martha Yolanda, Rojas, Dante, Ricca, Alejandra P., Cristos, Diego, Martinez, Maria José |
| المصدر: | Revista Facultad Nacional de Agronomía Medellín; Vol. 76 No. 1 (2023); 10167-10175 ; Revista Facultad Nacional de Agronomía Medellín; Vol. 76 Núm. 1 (2023); 10167-10175 ; Revista Facultad Nacional de Agronomía Medellín; v. 76 n. 1 (2023); 10167-10175 ; 2248-7026 ; 0304-2847 |
| بيانات النشر: | Universidad Nacional de Colombia - Sede Medellín - Facultad de Ciencias Agrarias |
| سنة النشر: | 2023 |
| المجموعة: | Universidad Nacional de Colombia: Portal de Revistas UN |
| مصطلحات موضوعية: | Residuos de clorpirifos-metilo, Residuos de diclorvos, Cinética de disipación, Vida media, Residuos de pirimifos-metilo, Granos de poscosecha, Chlorpyrifos-methyl residues, Dichlorvos residues, Dissipation kinetics, Half-life, Pirimiphos-methyl residues, Postharvest grains |
| الوصف: | During storage, soybean kernels can be attacked by insects, which are preventively controlled with insecticides. Information on the dissipation of insecticide residues is crucial to know their final concentrations in food and establish the waiting periods necessary for consumption without health risks, and to determine the minimum waiting period necessary to comply with national and international standards. The aims of this study were to quantify the residue levels of organophosphorus insecticides (dichlorvos, chlorpyrifos-methyl and pirimiphos-methyl) in stored soybean, establish the effect during the storage period, and model the dissipation dynamics. Insecticide residues in soybeans were analyzed at 2, 30, 60, 90 and 120 days after application. An analytical method based on QuEChERS extraction followed by gas chromatography mass spectrometry (GC-MS/MS) determination was validated, with mean recoveries of 82-105%, depending on the spiking levels. Residues decreased below 80% of the initial concentration at 60 days after application and below quantifiable levels at 120 days. Residues followed a pseudo-first-order dissipation dynamics [Ct = C0×exp(-k.t)], with the dissipation constant (k) and half-lives being 0.538 and 1.3 days for dichlorvos, 0.018 and 38.8 days for chlorpyrifos-methyl, and 0.023 and 30.1 days for pirimiphos-methyl, respectively. These results allow concluding that, at the recommended dosage, these insecticides are safe for use on soybean grains stored under standard conditions commonly nowadays used in Argentina. ; Durante el almacenamiento, los granos de soja pueden ser atacados por insectos, que se controlan preventivamente con insecticidas. La información sobre la disipación de los residuos de insecticidas es crucial para conocer sus concentraciones finales en los alimentos y establecer los períodos de carencia necesarios para su consumo sin riesgos para la salud, así como para cumplir con las normas nacionales e internacionales. Los objetivos de este estudio fueron cuantificar los niveles ... |
| نوع الوثيقة: | article in journal/newspaper |
| وصف الملف: | text/xml; application/pdf |
| اللغة: | English |
| العلاقة: | https://revistas.unal.edu.co/index.php/refame/article/view/102472/89782Test; https://revistas.unal.edu.co/index.php/refame/article/view/102472/85631Test; https://revistas.unal.edu.co/index.php/refame/article/view/102472Test |
| الإتاحة: | https://revistas.unal.edu.co/index.php/refame/article/view/102472Test |
| حقوق: | Derechos de autor 2023 Revista Facultad Nacional de Agronomía Medellín ; https://creativecommons.org/licenses/by-nc-sa/4.0Test |
| رقم الانضمام: | edsbas.D885E1CD |
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