Simultaneous Determination of Ethanol and Methanol in Wines Using FTIR and PLS Regression
Accurate quantification of ethanol and methanol is essential for regulatory compliance and product quality assurance. Fourier Transform Infrared Spectroscopy (FTIR) offers rapid, non-destructive analysis with minimal sample preparation, making it a promising tool for wine analysis. In this explorato...
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MDPI AG
2024-09-01
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| Series: | Foods |
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| author | Vasiliki Thanasi Ilda Caldeira Luís Santos Jorge M. Ricardo-da-Silva Sofia Catarino |
| author_facet | Vasiliki Thanasi Ilda Caldeira Luís Santos Jorge M. Ricardo-da-Silva Sofia Catarino |
| author_sort | Vasiliki Thanasi |
| collection | DOAJ |
| description | Accurate quantification of ethanol and methanol is essential for regulatory compliance and product quality assurance. Fourier Transform Infrared Spectroscopy (FTIR) offers rapid, non-destructive analysis with minimal sample preparation, making it a promising tool for wine analysis. In this exploratory study, the use of FTIR and PLS regression for the simultaneous quantification of ethanol and methanol in wine samples of 11 different Portuguese mono-varietal wines and different vintages deriving from the same winery in Lisbon was investigated. A model was developed, demonstrating the feasibility of FTIR and PLS regression for the simultaneous quantification of ethanol and methanol in wine samples through dedicated models; it showed good prediction capacity for ethanol determination but poorer performance for methanol quantification. The model could be reliable enough for quality control in wine production, but to improve its performance should be enhanced in the future with more samples from different origins, wine types, and a wider concentration range in the case of methanol. |
| format | Article |
| id | doaj-art-add90f403c694acaa7e60f125c16b542 |
| institution | OA Journals |
| issn | 2304-8158 |
| language | English |
| publishDate | 2024-09-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Foods |
| spelling | doaj-art-add90f403c694acaa7e60f125c16b5422025-08-20T01:55:27ZengMDPI AGFoods2304-81582024-09-011318297510.3390/foods13182975Simultaneous Determination of Ethanol and Methanol in Wines Using FTIR and PLS RegressionVasiliki Thanasi0Ilda Caldeira1Luís Santos2Jorge M. Ricardo-da-Silva3Sofia Catarino4LEAF—Linking Landscape, Environment, Agriculture and Food—Research Center, Instituto Superior de Agronomia, Universidade de Lisboa, Tapada da Ajuda, 1349-017 Lisboa, PortugalInstituto Nacional de Investigação Agrária e Veterinária, Polo de Inovação de Dois Portos, Quinta de Almoinha, 2565-191 Dois Portos, PortugalCentro de Química Estrutural, Institute of Molecular Sciences, Departamento de Engenharia Química, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais 1, 1049-001 Lisboa, PortugalLEAF—Linking Landscape, Environment, Agriculture and Food—Research Center, Instituto Superior de Agronomia, Universidade de Lisboa, Tapada da Ajuda, 1349-017 Lisboa, PortugalLEAF—Linking Landscape, Environment, Agriculture and Food—Research Center, Instituto Superior de Agronomia, Universidade de Lisboa, Tapada da Ajuda, 1349-017 Lisboa, PortugalAccurate quantification of ethanol and methanol is essential for regulatory compliance and product quality assurance. Fourier Transform Infrared Spectroscopy (FTIR) offers rapid, non-destructive analysis with minimal sample preparation, making it a promising tool for wine analysis. In this exploratory study, the use of FTIR and PLS regression for the simultaneous quantification of ethanol and methanol in wine samples of 11 different Portuguese mono-varietal wines and different vintages deriving from the same winery in Lisbon was investigated. A model was developed, demonstrating the feasibility of FTIR and PLS regression for the simultaneous quantification of ethanol and methanol in wine samples through dedicated models; it showed good prediction capacity for ethanol determination but poorer performance for methanol quantification. The model could be reliable enough for quality control in wine production, but to improve its performance should be enhanced in the future with more samples from different origins, wine types, and a wider concentration range in the case of methanol.https://www.mdpi.com/2304-8158/13/18/2975wine analysisethanolmethanolFTIRchemometricsquality control |
| spellingShingle | Vasiliki Thanasi Ilda Caldeira Luís Santos Jorge M. Ricardo-da-Silva Sofia Catarino Simultaneous Determination of Ethanol and Methanol in Wines Using FTIR and PLS Regression Foods wine analysis ethanol methanol FTIR chemometrics quality control |
| title | Simultaneous Determination of Ethanol and Methanol in Wines Using FTIR and PLS Regression |
| title_full | Simultaneous Determination of Ethanol and Methanol in Wines Using FTIR and PLS Regression |
| title_fullStr | Simultaneous Determination of Ethanol and Methanol in Wines Using FTIR and PLS Regression |
| title_full_unstemmed | Simultaneous Determination of Ethanol and Methanol in Wines Using FTIR and PLS Regression |
| title_short | Simultaneous Determination of Ethanol and Methanol in Wines Using FTIR and PLS Regression |
| title_sort | simultaneous determination of ethanol and methanol in wines using ftir and pls regression |
| topic | wine analysis ethanol methanol FTIR chemometrics quality control |
| url | https://www.mdpi.com/2304-8158/13/18/2975 |
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