Optimization of electronic nose drift correction applied to tomato volatile profiling
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Otros documentos de la autoría: Valcárcel, Mercedes; Ibáñez, Ginés; Martí, Raúl; Beltran Arandes, Joaquin; Cebolla-Cornejo, Jaime; Roselló, Salvador
Metadatos
Mostrar el registro completo del ítemcomunitat-uji-handle:10234/9
comunitat-uji-handle2:10234/2508
comunitat-uji-handle3:10234/6999
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INVESTIGACIONMetadatos
Título
Optimization of electronic nose drift correction applied to tomato volatile profilingAutoría
Fecha de publicación
2021Editor
SpringerISSN
1618-2642; 1618-2650Cita bibliográfica
Valcárcel, M., Ibáñez, G., Martí, R. et al. Optimization of electronic nose drift correction applied to tomato volatile profiling. Anal Bioanal Chem (2021). https://doi.org/10.1007/s00216-021-03340-5Tipo de documento
info:eu-repo/semantics/articleVersión de la editorial
https://link.springer.com/article/10.1007/s00216-021-03340-5Versión
info:eu-repo/semantics/submittedVersionPalabras clave / Materias
Resumen
E-noses can be routinely used to evaluate the volatile profile of tomato samples once the sensor drift and standardization issues are adequately solved. Short-term drift can be corrected using a strategy based on a ... [+]
E-noses can be routinely used to evaluate the volatile profile of tomato samples once the sensor drift and standardization issues are adequately solved. Short-term drift can be corrected using a strategy based on a multiplicative drift correction procedure coupled with a PLS adaptation of the component correction. It must be performed specifically for each sequence, using all sequence signals data. With this procedure, a drastic reduction of sensor signal %RSD can be obtained, ranging between 91.5 and 99.7% for long sequences and between 75.7 and 98.8% for short sequences. On the other hand, long-term drift can be fixed up using a synthetic reference standard mix (with a representation of main aroma volatiles of the species) to be included in each sequence that would enable sequence standardization. With this integral strategy, a high number of samples can be analyzed in different sequences, with a 94.4% success in the aggrupation of the same materials in PLS-DA two-dimensional graphical representations. Using this graphical interface, e-noses can be used to developed expandable maps of volatile profile similitudes, which will be useful to select the materials that most resemble breeding objectives or to analyze which preharvest and postharvest procedures have a lower impact on the volatile profile, avoiding the costs and sample limitations of gas chromatography. [-]
Descripción
This is a pre-print of an article published in Analytical and Bioanalytical Chemistry. The final authenticated version is available online at: https://doi.org/10.1007/s00216-021-03340-5
Publicado en
Analytical and Bioanalytical Chemistry (2021)Entidad financiadora
Universitat Jaume I
Código del proyecto o subvención
P1-1B2011-41 | COGRUP/2016/04 | PREDOC/2015/45
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© Springer-Verlag GmbH Germany, part of Springer Nature
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