Different chemometric methods for the discrimination of commercial aged cachaças

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dc.creatorCristina Donizeti Bernardes
dc.creatorPaulo Jorge Sanches Barbeira
dc.date.accessioned2024-04-18T14:05:36Z
dc.date.accessioned2025-09-09T01:06:09Z
dc.date.available2024-04-18T14:05:36Z
dc.date.issued2016
dc.description.sponsorshipCNPq - Conselho Nacional de Desenvolvimento Científico e Tecnológico
dc.description.sponsorshipCAPES - Coordenação de Aperfeiçoamento de Pessoal de Nível Superior
dc.identifier.doihttps://doi.org/10.1007/s12161-015-0284-6
dc.identifier.issn1936-976X
dc.identifier.urihttps://hdl.handle.net/1843/67390
dc.languageeng
dc.publisherUniversidade Federal de Minas Gerais
dc.relation.ispartofFood Analytical Methods
dc.rightsAcesso Restrito
dc.subjectCana-de-açúcar
dc.subjectFluorescência
dc.subjectAnálise discriminante
dc.subjectQuimiometria
dc.subjectCachaça
dc.subject.otherSugar cane spirit
dc.subject.otherMolecular fluorescence
dc.subject.otherData fusion
dc.subject.otherPLS-DA
dc.subject.otherNPLS-DA
dc.titleDifferent chemometric methods for the discrimination of commercial aged cachaças
dc.typeArtigo de periódico
local.citation.epage1059
local.citation.spage1053
local.citation.volume9
local.description.resumoCachaça, like other distilled beverages, often passes through an aging process and a peculiar fact is that Brazilian native woods are used for producing the barrels used for aging, in addition to oak. Cachaças can be aged in barrels of amendoim (Pterogyne nitens), balsam (Myroxylon peruiferum), jequitibá (Cariniana estrellensis), umburana (Amburana cearensis), and oak (Quercus sp.). Cachaças aged in wooden barrels have their final price for the consumer substantially increased, making them susceptible to fraud. So, methods to check the authenticity of aged cachaça are increasingly required. In this paper, 109 samples of commercial aged cachaças were used for the construction of supervised classification models—PLS-DA (partial least squares for discriminant analysis) and NPLS-DA (N-way PLS-DA)—by using UV-Vis spectrophotometry and spectrofluorimetry. The best results were obtained for the model based on low-level data fusion, providing good reliability rates for the training and test sets (ranging from 56 to 100 %) for all the analyzed classes.
local.identifier.orcidhttps://orcid.org/0000-0002-0770-8680
local.publisher.countryBrasil
local.publisher.departmentICX - DEPARTAMENTO DE QUÍMICA
local.publisher.initialsUFMG
local.url.externahttps://link.springer.com/article/10.1007/s12161-015-0284-6

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