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Discriminant analysis of Mediterranean pine nuts (Pinus pinea L.) from Chilean plantations by near infrared spectroscopy (NIRS)
Indexado
WoS WOS:000390965800068
Scopus SCOPUS_ID:84994779564
DOI 10.1016/J.FOODCONT.2016.09.012
Año 2017
Tipo artículo de investigación

Citas Totales

Autores Afiliación Chile

Instituciones Chile

% Participación
Internacional

Autores
Afiliación Extranjera

Instituciones
Extranjeras


Abstract



Pinus pinea L is one of the most important nut species in the world given the high nutritional and culinary value of its seed, the pine nuts, with increasing demand. The objective of this study was to assess the potential of visible and near infrared spectroscopy (VIS + NIRS) to analyse different sample presentations and to discriminate geographical origins of Mediterranean pine nut grown in Chile. Pine nuts were collected from 76 adult trees in three grovith macrozones previously defined for stone pine in Chile. Original spectroscopic data were obtained by means of a Foss NIRSystems 6500 SYII spectrophotometer using a transport module. Reflectance was employed in the wavelength range of 400-2500 nm. The best means of sampling for the pine nuts used in this study were also studied. After analysing the spectroscopic data, discriminant models were obtained by means of discriminant partial least square (DPLS) with all samples. For the three macrozones previously identified, 87.8% of samples was correctly classified in the cross validation stage with the best model for pine nuts spectra analysis, obtained with shelled intact pine nuts. Results indicate that NIRS technology is capable of differentiating between pine nut samples of different geographical origins with errors ranging between 12.2 and 9.2%, and demonstrate the potential of VIS NIRS technology as a rapid and accurate method for predicting the geographical origin of Mediterranean pine nuts. (C) 2016 Elsevier Ltd. All rights reserved.

Revista



Revista ISSN
Food Control 0956-7135

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Disciplinas de Investigación



WOS
Food Science & Technology
Scopus
Biotechnology
Food Science
SciELO
Sin Disciplinas

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Publicaciones WoS (Ediciones: ISSHP, ISTP, AHCI, SSCI, SCI), Scopus, SciELO Chile.

Colaboración Institucional



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Autores - Afiliación



Ord. Autor Género Institución - País
1 Loewe, Veronica Mujer Chilean Forest Inst INFOR - Chile
Instituto Forest Biblioteca - Chile
2 NAVARRO-CERRILLO, RAFAEL MARIA Hombre UNIV CORDOBA - España
Universidad de Córdoba - España
3 Garcia-Olmo, Juan Hombre UNIV CORDOBA - España
Universidad de Córdoba - España
4 Riccioli, Cecilia Mujer UNIV CORDOBA - España
Universidad de Córdoba - España
5 Sanchez-Cuesta, Rafael Hombre UNIV CORDOBA - España
Universidad de Córdoba - España

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Financiamiento



Fuente
CONICYT
Fondef
Comisión Nacional de Investigación Científica y Tecnológica
Chilean Ministry of Education
Fondo de Fomento al Desarrollo Científico y Tecnológico
Comisión Nacional de Investigación Científica y Tecnológica
Fondo de Fomento al Desarrollo Científico y Tecnológico

Muestra la fuente de financiamiento declarada en la publicación.

Agradecimientos



Agradecimiento
This work was supported by FONDEF, CONICYT, Chilean Ministry of Education (grant code D11I1134). NIR data were obtained using NIRS hardware and software provided by the NIR/MIR Spectroscopy Unit of the SCAI at the University of Cordoba, Campus de Excelencia CEIA3 (Spain).
This work was supported by FONDEF , CONICYT , Chilean Ministry of Education (grant code D11I1134 ). NIR data were obtained using NIRS hardware and software provided by the NIR/MIR Spectroscopy Unit of the SCAI at the University of Cordoba, Campus de Excelencia CEIA3 (Spain).

Muestra la fuente de financiamiento declarada en la publicación.