A comparison between NIR and ATR-FTIR spectroscopy for varietal differentiation of Spanish intact almonds
The rapid and easy classification of almond varieties with similar morphology, different quality properties and, in most cases, different prices is interesting to protect both the almond industry and the consumers from fraud. Therefore, in this work, intact almond kernels from four Spanish varieties...
| Autores principales: | , , , , |
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| Formato: | Artículo |
| Lenguaje: | Inglés |
| Publicado: |
2019
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| Acceso en línea: | http://hdl.handle.net/20.500.11939/6201 https://www.sciencedirect.com/science/article/pii/S0956713518303578?via%3Dihub |
| _version_ | 1855492036636966912 |
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| author | Cortés, Victoria Barat, Jose Manuel Talens, Pau Blasco, José Lerma-García, María J. |
| author_browse | Barat, Jose Manuel Blasco, José Cortés, Victoria Lerma-García, María J. Talens, Pau |
| author_facet | Cortés, Victoria Barat, Jose Manuel Talens, Pau Blasco, José Lerma-García, María J. |
| author_sort | Cortés, Victoria |
| collection | ReDivia |
| description | The rapid and easy classification of almond varieties with similar morphology, different quality properties and, in most cases, different prices is interesting to protect both the almond industry and the consumers from fraud. Therefore, in this work, intact almond kernels from four Spanish varieties ('Guara', 'Rumbeta', `Marcona'and `Planeta') were analysed using both near infrared (NIR) and attenuated total reflectance Fourier-transform infrared (ATR-FTIR) spectroscopy. After spectra measurement, NIR and ATR-FTIR spectral data were pre-treated and employed to construct two classification methods (partial least square-discriminant analysis (PLS-DA) and quadratic discriminant analysis (QDA)) in order to check their ability to classify almonds according to their variety. The best overall accuracies (94.45%) were obtained with the PLS-DA model of ATR-FTIR and the QDA model of NIR data. These results confirm that both spectroscopic techniques, if the optimal statistical model is selected, are powerful tools to reliably discriminate almonds according to their varieties. |
| format | Artículo |
| id | ReDivia6201 |
| institution | Instituto Valenciano de Investigaciones Agrarias (IVIA) |
| language | Inglés |
| publishDate | 2019 |
| publishDateRange | 2019 |
| publishDateSort | 2019 |
| record_format | dspace |
| spelling | ReDivia62012025-04-25T14:46:28Z A comparison between NIR and ATR-FTIR spectroscopy for varietal differentiation of Spanish intact almonds Cortés, Victoria Barat, Jose Manuel Talens, Pau Blasco, José Lerma-García, María J. The rapid and easy classification of almond varieties with similar morphology, different quality properties and, in most cases, different prices is interesting to protect both the almond industry and the consumers from fraud. Therefore, in this work, intact almond kernels from four Spanish varieties ('Guara', 'Rumbeta', `Marcona'and `Planeta') were analysed using both near infrared (NIR) and attenuated total reflectance Fourier-transform infrared (ATR-FTIR) spectroscopy. After spectra measurement, NIR and ATR-FTIR spectral data were pre-treated and employed to construct two classification methods (partial least square-discriminant analysis (PLS-DA) and quadratic discriminant analysis (QDA)) in order to check their ability to classify almonds according to their variety. The best overall accuracies (94.45%) were obtained with the PLS-DA model of ATR-FTIR and the QDA model of NIR data. These results confirm that both spectroscopic techniques, if the optimal statistical model is selected, are powerful tools to reliably discriminate almonds according to their varieties. 2019-05-15T10:37:41Z 2019-05-15T10:37:41Z 2018 article acceptedVersion Cortes, V.; Barat, J. M.; Talens, P.; Blasco, J.; Jesus Lerma-Garcia, M. (2018). A comparison between NIR and ATR-FTIR spectroscopy for varietal differentiation of spanish intact almonds. Food Control, 94, 241-248. http://hdl.handle.net/20.500.11939/6201 10.1016/j.foodcont.2018.07.020 https://www.sciencedirect.com/science/article/pii/S0956713518303578?via%3Dihub en Atribución-NoComercial-SinDerivadas 3.0 España http://creativecommons.org/licenses/by-nc-nd/3.0/es/ electronico |
| spellingShingle | Cortés, Victoria Barat, Jose Manuel Talens, Pau Blasco, José Lerma-García, María J. A comparison between NIR and ATR-FTIR spectroscopy for varietal differentiation of Spanish intact almonds |
| title | A comparison between NIR and ATR-FTIR spectroscopy for varietal differentiation of Spanish intact almonds |
| title_full | A comparison between NIR and ATR-FTIR spectroscopy for varietal differentiation of Spanish intact almonds |
| title_fullStr | A comparison between NIR and ATR-FTIR spectroscopy for varietal differentiation of Spanish intact almonds |
| title_full_unstemmed | A comparison between NIR and ATR-FTIR spectroscopy for varietal differentiation of Spanish intact almonds |
| title_short | A comparison between NIR and ATR-FTIR spectroscopy for varietal differentiation of Spanish intact almonds |
| title_sort | comparison between nir and atr ftir spectroscopy for varietal differentiation of spanish intact almonds |
| url | http://hdl.handle.net/20.500.11939/6201 https://www.sciencedirect.com/science/article/pii/S0956713518303578?via%3Dihub |
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