Simultaneous determination of pesticides in fruits by using second-order fluorescence data resolved by unfolded partial least-squares coupled to residual bilinearization

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Abstract: In the present work, a chemometric-assisted spectrofluorimetric method has been developed for the simultaneous determination of natural fluorescent pesticides, carbaryl, carbendazim, and thiabendazole, in orange and banana. Only a simple extraction with methanol was required as sample pr...

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Autores principales: Villar Navarro, Mercedes, Cabezón, Miguel Ángel, Damiani, Patricia C.
Formato: Artículo
Lenguaje:Inglés
Publicado: Hindawi 2020
Materias:
FRUTAS
PESTICIDAS
NARANJA
BANANO
PLATANO
Acceso en línea:https://repositorio.uca.edu.ar/handle/123456789/9628
Aporte de:
Repositorio Institucional de la Universidad Católica Argentina (UCA) de Universidad Católica Argentina
id I33-R139123456789-9628
record_format dspace
institution Universidad Católica Argentina
institution_str I-33
repository_str R-139
collection Repositorio Institucional de la Universidad Católica Argentina (UCA)
language Inglés
topic FRUTAS
PESTICIDAS
NARANJA
BANANO
PLATANO
spellingShingle FRUTAS
PESTICIDAS
NARANJA
BANANO
PLATANO
Villar Navarro, Mercedes
Cabezón, Miguel Ángel
Damiani, Patricia C.
Simultaneous determination of pesticides in fruits by using second-order fluorescence data resolved by unfolded partial least-squares coupled to residual bilinearization
topic_facet FRUTAS
PESTICIDAS
NARANJA
BANANO
PLATANO
description Abstract: In the present work, a chemometric-assisted spectrofluorimetric method has been developed for the simultaneous determination of natural fluorescent pesticides, carbaryl, carbendazim, and thiabendazole, in orange and banana. Only a simple extraction with methanol was required as sample pretreatment. Emission-excitation fluorescence matrices were obtained and resolved by using a second-order multivariate calibration method based on unfolded partial least-squares combined with residual bilinearization (U-PLS/RBL) for achieving “second-order advantage.” In this way, pesticides were determined in fruits even in the presence of inner filter effects, background interactions, strong spectral overlapping, and unexpected components. U-PLS can cope with effects that cause trilinearity loss such as, inner filter effects, including background in the calibration set; meanwhile, RBL allows to resolve the presence of unexpected components. /e extraction technique was validated against a commonly applied technique based on the use of ethyl acetate and sodium sulfate. Besides, results obtained for real samples were statistically compared with those obtained by using HPLC. LODs of 0.038, 0.054, and 0.018 mg·kg−1 and 0.044, 0.072, and 0.020 mg·kg−1 were obtained for carbaryl, carbendazim, and thiabendazole in banana and orange samples, respectively; values were in accordance with the MRLs (Maximum Residue Limits) established by different official control organizations such as National Food Safety and Quality Service (SENASA), Codex Alimentarius (based on Food and Agriculture Organization (FAO) of the United Nations and World Health Organization (WHO), and Environmental Protection Agency (EPA).
format Artículo
author Villar Navarro, Mercedes
Cabezón, Miguel Ángel
Damiani, Patricia C.
author_facet Villar Navarro, Mercedes
Cabezón, Miguel Ángel
Damiani, Patricia C.
author_sort Villar Navarro, Mercedes
title Simultaneous determination of pesticides in fruits by using second-order fluorescence data resolved by unfolded partial least-squares coupled to residual bilinearization
title_short Simultaneous determination of pesticides in fruits by using second-order fluorescence data resolved by unfolded partial least-squares coupled to residual bilinearization
title_full Simultaneous determination of pesticides in fruits by using second-order fluorescence data resolved by unfolded partial least-squares coupled to residual bilinearization
title_fullStr Simultaneous determination of pesticides in fruits by using second-order fluorescence data resolved by unfolded partial least-squares coupled to residual bilinearization
title_full_unstemmed Simultaneous determination of pesticides in fruits by using second-order fluorescence data resolved by unfolded partial least-squares coupled to residual bilinearization
title_sort simultaneous determination of pesticides in fruits by using second-order fluorescence data resolved by unfolded partial least-squares coupled to residual bilinearization
publisher Hindawi
publishDate 2020
url https://repositorio.uca.edu.ar/handle/123456789/9628
work_keys_str_mv AT villarnavarromercedes simultaneousdeterminationofpesticidesinfruitsbyusingsecondorderfluorescencedataresolvedbyunfoldedpartialleastsquarescoupledtoresidualbilinearization
AT cabezonmiguelangel simultaneousdeterminationofpesticidesinfruitsbyusingsecondorderfluorescencedataresolvedbyunfoldedpartialleastsquarescoupledtoresidualbilinearization
AT damianipatriciac simultaneousdeterminationofpesticidesinfruitsbyusingsecondorderfluorescencedataresolvedbyunfoldedpartialleastsquarescoupledtoresidualbilinearization
bdutipo_str Repositorios
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