Geographical origin authentication of southern Brazilian red wines by means of EEM-pH four-way data modelling coupled with one class classification approach.
EEM data recorded at different pH values was exploited by MCR-ALS in order to determine qualitative information about Brazilian red wines. In addition, the geographical traceability of wines produced in the Serra Gaúcha (Rio Grande do Sul) was carried out by DD-SIMCA considering 53 samples from the target class and 20 from other producing regions. The fluorescence signal corresponds to 9 EEMs recorded at different pH (3?11), generating four-way data. By MCR-ALS decomposition, eight factors were retrieved and related to typical chemical compounds found in red wine. In addition, the EEM pH data was used to build a one-class classification model, considering that MCR scores and all samples of the target class were properly recognised as belonging to the target class, with maximal sensitivity equal to 1. Samples of the non-target class were also adequately rejected by the model, and the specificity was found to be 0.97.
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Format: | Artigo de periódico biblioteca |
Language: | Ingles English |
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2021-06-21
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Subjects: | Multiway data, MCR-ALS, Red wine, One-class classification, Serra Gaúcha, |
Online Access: | http://www.alice.cnptia.embrapa.br/alice/handle/doc/1132416 |
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dig-alice-doc-11324162021-06-21T13:06:11Z Geographical origin authentication of southern Brazilian red wines by means of EEM-pH four-way data modelling coupled with one class classification approach. VINCIGUERRA, L. L. BÖCK, F. C. SCHNEIDER, M. P. REIS, N. A. P. C. SILVA, L. F. da SOUZA, K. C. M de GUERRA, C. C. GOMES, A. de A. BERGOLD, A. M. FERRÂO, M. F. LAYANE LENARDON VINCIGUERRA, Faculty of Pharmacy, Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil NATALIA ALEJANDRA PISONI CANEDO REIS, Faculty of Pharmacy, Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil LETICIA FLORES DA SILVA, CNPUV KELLY CHRISTINA MENDES DE SOUZA, Instituto de Ciˆencias Exatas-ICE. Universidade Federal do Sul e Sudeste do Para-Unifesspa CELITO CRIVELLARO GUERRA, CNPUV MATEUS PIRES SCHNEIDER, Institute of Chemistry, Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil ANA MARIA BERGOLD, Faculty of Pharmacy, Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil MARCO FLÔRES FERRÂO, Instituto Nacional de Ciˆencia e Tecnologia-Bioanalítca (INCT-Bioanalítica), Cidade Universit´aria, Zeferino Vaz s/n, Campinas, São Paulo, Brazil. FERNANDA CARLA BÖCK, Institute of Chemistry, Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil ADRIANO DE ARAÚJO GOMES, Instituto de Ciˆencias Exatas-ICE. Universidade Federal do Sul e Sudeste do Pará-Unifesspa Multiway data MCR-ALS Red wine One-class classification Serra Gaúcha EEM data recorded at different pH values was exploited by MCR-ALS in order to determine qualitative information about Brazilian red wines. In addition, the geographical traceability of wines produced in the Serra Gaúcha (Rio Grande do Sul) was carried out by DD-SIMCA considering 53 samples from the target class and 20 from other producing regions. The fluorescence signal corresponds to 9 EEMs recorded at different pH (3?11), generating four-way data. By MCR-ALS decomposition, eight factors were retrieved and related to typical chemical compounds found in red wine. In addition, the EEM pH data was used to build a one-class classification model, considering that MCR scores and all samples of the target class were properly recognised as belonging to the target class, with maximal sensitivity equal to 1. Samples of the non-target class were also adequately rejected by the model, and the specificity was found to be 0.97. 2021-06-21T13:06:01Z 2021-06-21T13:06:01Z 2021-06-21 2021 Artigo de periódico Food Chemistry, v. 362, n. 130087, 2021. http://www.alice.cnptia.embrapa.br/alice/handle/doc/1132416 Ingles en openAccess |
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Multiway data MCR-ALS Red wine One-class classification Serra Gaúcha Multiway data MCR-ALS Red wine One-class classification Serra Gaúcha |
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Multiway data MCR-ALS Red wine One-class classification Serra Gaúcha Multiway data MCR-ALS Red wine One-class classification Serra Gaúcha VINCIGUERRA, L. L. BÖCK, F. C. SCHNEIDER, M. P. REIS, N. A. P. C. SILVA, L. F. da SOUZA, K. C. M de GUERRA, C. C. GOMES, A. de A. BERGOLD, A. M. FERRÂO, M. F. Geographical origin authentication of southern Brazilian red wines by means of EEM-pH four-way data modelling coupled with one class classification approach. |
description |
EEM data recorded at different pH values was exploited by MCR-ALS in order to determine qualitative information about Brazilian red wines. In addition, the geographical traceability of wines produced in the Serra Gaúcha (Rio Grande do Sul) was carried out by DD-SIMCA considering 53 samples from the target class and 20 from other producing regions. The fluorescence signal corresponds to 9 EEMs recorded at different pH (3?11), generating four-way data. By MCR-ALS decomposition, eight factors were retrieved and related to typical chemical compounds found in red wine. In addition, the EEM pH data was used to build a one-class classification model, considering that MCR scores and all samples of the target class were properly recognised as belonging to the target class, with maximal sensitivity equal to 1. Samples of the non-target class were also adequately rejected by the model, and the specificity was found to be 0.97. |
author2 |
LAYANE LENARDON VINCIGUERRA, Faculty of Pharmacy, Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil |
author_facet |
LAYANE LENARDON VINCIGUERRA, Faculty of Pharmacy, Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil VINCIGUERRA, L. L. BÖCK, F. C. SCHNEIDER, M. P. REIS, N. A. P. C. SILVA, L. F. da SOUZA, K. C. M de GUERRA, C. C. GOMES, A. de A. BERGOLD, A. M. FERRÂO, M. F. |
format |
Artigo de periódico |
topic_facet |
Multiway data MCR-ALS Red wine One-class classification Serra Gaúcha |
author |
VINCIGUERRA, L. L. BÖCK, F. C. SCHNEIDER, M. P. REIS, N. A. P. C. SILVA, L. F. da SOUZA, K. C. M de GUERRA, C. C. GOMES, A. de A. BERGOLD, A. M. FERRÂO, M. F. |
author_sort |
VINCIGUERRA, L. L. |
title |
Geographical origin authentication of southern Brazilian red wines by means of EEM-pH four-way data modelling coupled with one class classification approach. |
title_short |
Geographical origin authentication of southern Brazilian red wines by means of EEM-pH four-way data modelling coupled with one class classification approach. |
title_full |
Geographical origin authentication of southern Brazilian red wines by means of EEM-pH four-way data modelling coupled with one class classification approach. |
title_fullStr |
Geographical origin authentication of southern Brazilian red wines by means of EEM-pH four-way data modelling coupled with one class classification approach. |
title_full_unstemmed |
Geographical origin authentication of southern Brazilian red wines by means of EEM-pH four-way data modelling coupled with one class classification approach. |
title_sort |
geographical origin authentication of southern brazilian red wines by means of eem-ph four-way data modelling coupled with one class classification approach. |
publishDate |
2021-06-21 |
url |
http://www.alice.cnptia.embrapa.br/alice/handle/doc/1132416 |
work_keys_str_mv |
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