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Comparative characterization of phenolic and other polar compounds in Spanish melon cultivars by using high-performance liquid chromatography coupled to electrospray ionization quadrupole-time of flight mass spectrometry

Melon (Cucumis melo L.), belonging to the Cucurbitaceae family, is a significant source of phytochemicals which provide human health benefits. High-performance liquid chromatography coupled to electrospray ionization mass spectrometry quadropole-time of flight (HPLC–ESI-QTOF-MS) was used for the com...

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Published in:Food research international 2013-12, Vol.54 (2), p.1519-1527
Main Authors: Rodríguez-Pérez, C., Quirantes-Piné, R., Fernández-Gutiérrez, A., Segura-Carretero, A.
Format: Article
Language:English
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Summary:Melon (Cucumis melo L.), belonging to the Cucurbitaceae family, is a significant source of phytochemicals which provide human health benefits. High-performance liquid chromatography coupled to electrospray ionization mass spectrometry quadropole-time of flight (HPLC–ESI-QTOF-MS) was used for the comprehensive characterization of 14 extracts from 3 Spanish varieties of melon (Galia, Cantaloupe, and Piel de Sapo). A total of 56 different compounds were tentatively identified, including: amino acids and derivatives, nucleosides, organic acids, phenolic acids and derivatives, esters, flavonoids, lignans, and other polar compounds. Of these, 25 were tentatively characterized for the first time in C. melo varieties. Principal-component analysis (PCA) was applied to gain an overview of the distribution of the melon varieties and to clearly separate the different varieties. The result of the PCA for the negative mode was evaluated. The variables most decisive to discriminate among varieties included 12 of the metabolites tentatively identified. [Display omitted] •Polar fraction from 3 Cucumis melo varieties was analyzed by using HPLC–ESI-QTOF-MS.•56 compounds have been tentatively identified by MS/MS fragmentation pattern.•25 of these compounds were characterized for the first time in C. melo varieties.•PCA showed 12 metabolites which were decisive to discriminate among these varieties.
ISSN:0963-9969
1873-7145
DOI:10.1016/j.foodres.2013.09.011