Untargeted Metabolomics of Rind Essential Oils Allowed to Differentiate Two Closely Related Clementine Varieties
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comunitat-uji-handle2:10234/2508
comunitat-uji-handle3:10234/6999
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Title
Untargeted Metabolomics of Rind Essential Oils Allowed to Differentiate Two Closely Related Clementine VarietiesAuthor (s)
Date
2021Publisher
MDPIISSN
2223-7747Bibliographic citation
González-Mas, M.d.C.; Rambla, J.L.; Gómez-Cadenas, A.; Blázquez, M.A.; López-Gresa, M.P.; Granell, A. Untargeted Metabolomics of Rind Essential Oils Allowed to Differentiate Two Closely Related Clementine Varieties. Plants 2021, 10, 1789. https://doi.org/10.3390/ plants10091789Type
info:eu-repo/semantics/articleVersion
info:eu-repo/semantics/publishedVersionSubject
Abstract
Chemical characterization of clementine varieties (Citrus clementina Hort. ex Tan.) essential
oils (EO) can lead to variety identification and valorization of their potential use in food and aroma
industries. The ... [+]
Chemical characterization of clementine varieties (Citrus clementina Hort. ex Tan.) essential
oils (EO) can lead to variety identification and valorization of their potential use in food and aroma
industries. The goal of this study was the chemometric discrimination between two very closely
related and morphologically identical clementine varieties, Clemenules (NL) and Clemenpons (PO),
based on their rind EO, to identify the differential volatile organic compounds (VOCs) and to
determine their antioxidant capacity. EO rind volatile profile was determined by gas chromatography
coupled to mass spectrometry in Citrus fruit at different ripening stages grown two independent
years in two different locations. Untargeted metabolomics and multivariate data analysis showed
an evolution of EO volatile profiles markedly parallel in both varieties. Although EO qualitative
composition was identical in both varieties, PLS-DA allowed the identification of characteristic VOCs,
quantitatively discriminating them along all the ripening process. PO showed higher accumulation of
several mono- and sesquiterpene compounds such as trans-carveol, while NL showed higher levels of
aldehyde and alcohol non-terpenoids like dodecanal. Both varieties evinced identical EO antioxidant
activities, indicating a similar value for food preservation. Hence, untargeted metabolomics approach
based on rind EO volatiles was revealed as a powerful technique able to differentiate between
morphologically undistinguishable Citrus varieties. [-]
Is part of
Plants 2021, 10, 1789Funder Name
European Commission H2020 | Spanish Ministry | Spanish Ministry of Economy and Competitiveness
Project code
info:eu-repo/grantAgreement/EC/H2020/679796 | info:eu-repo/grantAgreement/EC/H2020/634561 | BIO2016-78601-R | FJCI-2016-28601
Project title or grant
TOMGEM | TRADITOM | Juan de la Cierva-Formación
Rights
© 2021 by the authors.
Licensee MDPI, Basel, Switzerland.
info:eu-repo/semantics/openAccess
info:eu-repo/semantics/openAccess
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- CAMN_Articles [568]