Evaluación de residuos de plaguicidas, micotoxinas y contaminantes de procesamiento como descriptores claves de inocuidad química en la poscosecha de la cadena de producción cafetera de la región del Tolima empleando estrategias analíticas basadas en marcado de isótopos estables (SIL)
ilustraciones, diagramas
- Autores:
-
España Amórtegui, Julio César
- Tipo de recurso:
- Doctoral thesis
- Fecha de publicación:
- 2024
- Institución:
- Universidad Nacional de Colombia
- Repositorio:
- Universidad Nacional de Colombia
- Idioma:
- spa
- OAI Identifier:
- oai:repositorio.unal.edu.co:unal/86151
- Palabra clave:
- 540 - Química y ciencias afines::543 - Química analítica
Desechos agrícolas
Inocuidad alimentaria
Limites máximos de residuos
agricultural wastes
food safety
maximum residue limits
Ochratoxin A
Acrylamide
Pesticides
Polycyclic aromatic hydrocarbons
Stable isotope labeling
Validation
Eco-friendly
Ocratoxin A
Plaguicidas
Hidrocarburos aromáticos policíclicos
Marcado con isótopos estables
Validación
Ambientalmente amigable
Acrilamida
- Rights
- openAccess
- License
- Reconocimiento 4.0 Internacional
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|
dc.title.spa.fl_str_mv |
Evaluación de residuos de plaguicidas, micotoxinas y contaminantes de procesamiento como descriptores claves de inocuidad química en la poscosecha de la cadena de producción cafetera de la región del Tolima empleando estrategias analíticas basadas en marcado de isótopos estables (SIL) |
dc.title.translated.eng.fl_str_mv |
Evaluation of pesticide residues, mycotoxins and processing contaminants as key descriptors of chemical safety in the post-harvest of the coffee production chain in the Tolima region using analytical strategies based on Stable Isotope Labeling (SIL). |
title |
Evaluación de residuos de plaguicidas, micotoxinas y contaminantes de procesamiento como descriptores claves de inocuidad química en la poscosecha de la cadena de producción cafetera de la región del Tolima empleando estrategias analíticas basadas en marcado de isótopos estables (SIL) |
spellingShingle |
Evaluación de residuos de plaguicidas, micotoxinas y contaminantes de procesamiento como descriptores claves de inocuidad química en la poscosecha de la cadena de producción cafetera de la región del Tolima empleando estrategias analíticas basadas en marcado de isótopos estables (SIL) 540 - Química y ciencias afines::543 - Química analítica Desechos agrícolas Inocuidad alimentaria Limites máximos de residuos agricultural wastes food safety maximum residue limits Ochratoxin A Acrylamide Pesticides Polycyclic aromatic hydrocarbons Stable isotope labeling Validation Eco-friendly Ocratoxin A Plaguicidas Hidrocarburos aromáticos policíclicos Marcado con isótopos estables Validación Ambientalmente amigable Acrilamida |
title_short |
Evaluación de residuos de plaguicidas, micotoxinas y contaminantes de procesamiento como descriptores claves de inocuidad química en la poscosecha de la cadena de producción cafetera de la región del Tolima empleando estrategias analíticas basadas en marcado de isótopos estables (SIL) |
title_full |
Evaluación de residuos de plaguicidas, micotoxinas y contaminantes de procesamiento como descriptores claves de inocuidad química en la poscosecha de la cadena de producción cafetera de la región del Tolima empleando estrategias analíticas basadas en marcado de isótopos estables (SIL) |
title_fullStr |
Evaluación de residuos de plaguicidas, micotoxinas y contaminantes de procesamiento como descriptores claves de inocuidad química en la poscosecha de la cadena de producción cafetera de la región del Tolima empleando estrategias analíticas basadas en marcado de isótopos estables (SIL) |
title_full_unstemmed |
Evaluación de residuos de plaguicidas, micotoxinas y contaminantes de procesamiento como descriptores claves de inocuidad química en la poscosecha de la cadena de producción cafetera de la región del Tolima empleando estrategias analíticas basadas en marcado de isótopos estables (SIL) |
title_sort |
Evaluación de residuos de plaguicidas, micotoxinas y contaminantes de procesamiento como descriptores claves de inocuidad química en la poscosecha de la cadena de producción cafetera de la región del Tolima empleando estrategias analíticas basadas en marcado de isótopos estables (SIL) |
dc.creator.fl_str_mv |
España Amórtegui, Julio César |
dc.contributor.advisor.spa.fl_str_mv |
Guerrero Dallos, Jairo Arturo |
dc.contributor.author.spa.fl_str_mv |
España Amórtegui, Julio César |
dc.contributor.researchgroup.spa.fl_str_mv |
Residualidad y destino ambiental de plaguicidas en sistemas agrícolas |
dc.contributor.orcid.spa.fl_str_mv |
0000-0003-3566-5689 |
dc.contributor.cvlac.spa.fl_str_mv |
0001104837 |
dc.contributor.scopus.spa.fl_str_mv |
56089546400 |
dc.contributor.googlescholar.spa.fl_str_mv |
nOAM6KsAAAAJ&hl=es&oi=ao |
dc.subject.ddc.spa.fl_str_mv |
540 - Química y ciencias afines::543 - Química analítica |
topic |
540 - Química y ciencias afines::543 - Química analítica Desechos agrícolas Inocuidad alimentaria Limites máximos de residuos agricultural wastes food safety maximum residue limits Ochratoxin A Acrylamide Pesticides Polycyclic aromatic hydrocarbons Stable isotope labeling Validation Eco-friendly Ocratoxin A Plaguicidas Hidrocarburos aromáticos policíclicos Marcado con isótopos estables Validación Ambientalmente amigable Acrilamida |
dc.subject.agrovoc.spa.fl_str_mv |
Desechos agrícolas Inocuidad alimentaria Limites máximos de residuos |
dc.subject.agrovoc.eng.fl_str_mv |
agricultural wastes food safety maximum residue limits |
dc.subject.proposal.eng.fl_str_mv |
Ochratoxin A Acrylamide Pesticides Polycyclic aromatic hydrocarbons Stable isotope labeling Validation Eco-friendly |
dc.subject.proposal.spa.fl_str_mv |
Ocratoxin A Plaguicidas Hidrocarburos aromáticos policíclicos Marcado con isótopos estables Validación Ambientalmente amigable Acrilamida |
description |
ilustraciones, diagramas |
publishDate |
2024 |
dc.date.accessioned.none.fl_str_mv |
2024-05-23T21:13:44Z |
dc.date.available.none.fl_str_mv |
2024-05-23T21:13:44Z |
dc.date.issued.none.fl_str_mv |
2024-05-23 |
dc.type.spa.fl_str_mv |
Trabajo de grado - Doctorado |
dc.type.driver.spa.fl_str_mv |
info:eu-repo/semantics/doctoralThesis |
dc.type.version.spa.fl_str_mv |
info:eu-repo/semantics/acceptedVersion |
dc.type.coar.spa.fl_str_mv |
http://purl.org/coar/resource_type/c_db06 |
dc.type.content.spa.fl_str_mv |
Text |
dc.type.redcol.spa.fl_str_mv |
http://purl.org/redcol/resource_type/TD |
format |
http://purl.org/coar/resource_type/c_db06 |
status_str |
acceptedVersion |
dc.identifier.uri.none.fl_str_mv |
https://repositorio.unal.edu.co/handle/unal/86151 |
dc.identifier.instname.spa.fl_str_mv |
Universidad Nacional de Colombia |
dc.identifier.reponame.spa.fl_str_mv |
Repositorio Institucional Universidad Nacional de Colombia |
dc.identifier.repourl.spa.fl_str_mv |
https://repositorio.unal.edu.co/ |
url |
https://repositorio.unal.edu.co/handle/unal/86151 https://repositorio.unal.edu.co/ |
identifier_str_mv |
Universidad Nacional de Colombia Repositorio Institucional Universidad Nacional de Colombia |
dc.language.iso.spa.fl_str_mv |
spa |
language |
spa |
dc.relation.references.spa.fl_str_mv |
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Universidad Nacional de Colombia |
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Reconocimiento 4.0 Internacionalhttp://creativecommons.org/licenses/by/4.0/info:eu-repo/semantics/openAccesshttp://purl.org/coar/access_right/c_abf2Guerrero Dallos, Jairo Arturoa946cb1c8ed0e3f18e4295de585db564600España Amórtegui, Julio Césarb7ffa10459f0992bb7f28fbc2e5a2939Residualidad y destino ambiental de plaguicidas en sistemas agrícolas0000-0003-3566-5689000110483756089546400nOAM6KsAAAAJ&hl=es&oi=ao2024-05-23T21:13:44Z2024-05-23T21:13:44Z2024-05-23https://repositorio.unal.edu.co/handle/unal/86151Universidad Nacional de ColombiaRepositorio Institucional Universidad Nacional de Colombiahttps://repositorio.unal.edu.co/ilustraciones, diagramasSe presenta el desarrollo y validación de un procedimiento simple, integral y amigable con el medio ambiente para determinar residuos de plaguicidas, contaminantes naturales y de procesamiento en el café tostado por LC-HRMS, e hidrocarburos aromáticos policíclicos (HAPs) vía GC-MS/MS. Para la primera técnica se extraen plaguicidas y micotoxinas con acetato de etilo, con una partición simultánea de acrilamida (AA) en fase acuosa en la misma porción analítica. Una microextracción en fase sólida dispersiva 'en tubo' (dSPME) retiene la AA para inyectarla de forma independiente de los compuestos de la fase orgánica. A través de novedoso método de cromatografía líquida de espectrometría de masas de alta resolución (LC-HRMS) se cuantificaron 186 compuestos a 10 µg/kg, 226 a 5 µg/kg y la AA a 200 µg/kg, para un total de 414 moléculas con recuperación (70%-120%) y precisiones aceptables (RSD<20%). Se confirmó la presencia de clorpirifos, AA y ocratoxina A (OTA) en muestras de diferente origen por debajo del límite de cuantificación. No hubo evidencia de enmascaramiento de OTA durante el almacenamiento del café; sin embargo, se evidenció condensación con glucosa durante experimentos de procesamiento térmico con sacarosa mediante el uso de marcado con isótopos estables (SIL). No se encontraron conjugados en muestras de café tostado ni torrefacto. Entre las alternativas revisadas para determinar los HAPs, una transesterificación precedió la cuantificación que fue validada para un grupo de HAPs que incluyó los 4 indicadores en la regulación vigente. Algunos hallazgos en muestras comerciales fueron cuantificados por GC-MS/MS y confirmados por LC-HRMS. (Texto tomado de la fuente).The development and validation of a simple, comprehensive, and environmentally friendly procedure is presented to determine pesticide residues, natural and processing contaminants in roasted coffee by LC-HRMS, and polycyclic aromatic hydrocarbons (PAHs) via GC-MS/ MS. For the first technique, pesticides and mycotoxins are extracted with ethyl acetate, along a simultaneous partition of acrylamide (AA) in the aqueous phase in the same analytical portion. An 'in-tube' dispersive solid phase microextraction (dSPME) retains the AA for injection independently of the organic phase compounds. A novel liquid chromatography high resolution mass spectrometry (LC-HRMS) method allows the quantification of 186 compounds at 10 µg/kg, 226 at 5 µg/kg and AA at 200 µg/kg for a total of 414 molecules with recovery (70%-120%) and acceptable precisions (RSD<20%). The presence of chlorpyrifos, AA and OTA was confirmed in samples of different origins below the limit of quantification. There was no evidence of OTA masking during coffee storage; however, condensation with glucose molecules was evident during thermal processing experiments with sucrose using stable isotope labeling (SIL). No conjugates were found in roasted or torrefacto coffee samples. Among the tested alternatives to determine PAHs, a transesterification process allowed a determination validated for a group that included selected indicative 4 PAHs in the current regulation. Some findings in commercial samples were quantified by GC-MS/MS and confirmed by LC-HRMS.DoctoradoDoctor en Ciencias - QuímicaQuímica agroalimentaria y ambientalxvi, 173 páginasapplication/pdfspaUniversidad Nacional de ColombiaBogotá - Ciencias - Doctorado en Ciencias - QuímicaFacultad de CienciasBogotá, ColombiaUniversidad Nacional de Colombia - Sede Bogotá540 - Química y ciencias afines::543 - Química analíticaDesechos agrícolasInocuidad alimentariaLimites máximos de residuosagricultural wastesfood safetymaximum residue limitsOchratoxin AAcrylamidePesticidesPolycyclic aromatic hydrocarbonsStable isotope labelingValidationEco-friendlyOcratoxin APlaguicidasHidrocarburos aromáticos policíclicosMarcado con isótopos establesValidaciónAmbientalmente amigableAcrilamidaEvaluación de residuos de plaguicidas, micotoxinas y contaminantes de procesamiento como descriptores claves de inocuidad química en la poscosecha de la cadena de producción cafetera de la región del Tolima empleando estrategias analíticas basadas en marcado de isótopos estables (SIL)Evaluation of pesticide residues, mycotoxins and processing contaminants as key descriptors of chemical safety in the post-harvest of the coffee production chain in the Tolima region using analytical strategies based on Stable Isotope Labeling (SIL).Trabajo de grado - Doctoradoinfo:eu-repo/semantics/doctoralThesisinfo:eu-repo/semantics/acceptedVersionhttp://purl.org/coar/resource_type/c_db06Texthttp://purl.org/redcol/resource_type/TDColombiaTolimahttp://vocab.getty.edu/page/tgn/1000784Daviron, B., & Ponte, S. 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Anal Chem 92:10076–10082. https://doi.org/10.1021/acs.analchem.0c01887Becas de Excelencia Doctoral del BicentenarioCOL 5025 IAEA project Coordinated Research Project D52039/Research contract 22177Ministerio de ciencia, innovación y tecnología (MinCiencias)International Atomic Energy Agency (IAEA)EstudiantesGrupos comunitariosInvestigadoresPúblico generalLICENSElicense.txtlicense.txttext/plain; charset=utf-85879https://repositorio.unal.edu.co/bitstream/unal/86151/1/license.txteb34b1cf90b7e1103fc9dfd26be24b4aMD51ORIGINAL1019016538.2024.pdf1019016538.2024.pdfTesis de Doctorado en Ciencias - Químicaapplication/pdf11969859https://repositorio.unal.edu.co/bitstream/unal/86151/2/1019016538.2024.pdf8a73bc191c9c52de16a384b8c016db5cMD52THUMBNAIL1019016538.2024.pdf.jpg1019016538.2024.pdf.jpgGenerated Thumbnailimage/jpeg5043https://repositorio.unal.edu.co/bitstream/unal/86151/3/1019016538.2024.pdf.jpg9c6575a59832ac3ea491f82fe232d364MD53unal/86151oai:repositorio.unal.edu.co:unal/861512024-08-25 23:11:01.387Repositorio Institucional Universidad Nacional de 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