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Untargeted screening of the bound / free phenolic composition in tomato cultivars for industrial transformation (CROSBI ID 268438)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Rocchetti, Gabriele ; Senizza, Biancamaria ; Putnik, Predrag ; Bursać Kovačević, Danijela ; Barba, Francisco J., Trevisan, Marco ; Lucini, Luigi Untargeted screening of the bound / free phenolic composition in tomato cultivars for industrial transformation // Journal of the Science of Food and Agriculture, 2019 (2019), 1-9. doi: 10.1002/jsfa.9889

Podaci o odgovornosti

Rocchetti, Gabriele ; Senizza, Biancamaria ; Putnik, Predrag ; Bursać Kovačević, Danijela ; Barba, Francisco J., Trevisan, Marco ; Lucini, Luigi

engleski

Untargeted screening of the bound / free phenolic composition in tomato cultivars for industrial transformation

BACKGROUND:Tomato is one of the most important agricultural crops and it is characterized by awide bioactive compoundprofile. However, little information is reportedonits comprehensive polyphenolprofile. In thiswork, 13commercialtomato cultivars for industrial transformationwere screenedby ultra-high- pressure liquid chromatography coupled to quadrupole-time-of-flight mass spectrometry (UHPLC-QTOF-MS) for both free and bound phenolic profiles. Thereafter, the in vitro antioxidant activity of each cultivar was assessed by ferric reducing antioxidant power (FRAP) and oxygen radical absorbance activity (ORAC) assays. Multivariate statistics, i.e. orthogonal projection to latent structures discriminant analysis (OPLS-DA), were then used tomodel samples according to their distinct phenolic signatures, thus providing compounds that better discriminated between the distributions of the cultivars that were considered. RESULTS: More than 350 phenolic compounds could be identified across the samples that were considered: flavonoids (such as flavones and flavanols), hydroxycinnamic acids, lignans, and lower-molecular-weight phenolics were the most frequently observed classes of phenolics in tomato berries. Anthocyanins were the most abundant class among bound phenolics (being highest in the Leader F1 and Defender F1 cultivars), followed by tyrosols (mainly in Heinz cultivars). However, flavones and hydroxybenzoic acids were the most represented discriminant phenolics in the bound fraction. CONCLUSIONS: Untargeted metabolomics allowed significant differences in phenolic composition to be outlined across the tomato cultivars that were analyzed. Such differences were particularly evident regarding the free- to-bound phenolic ratio, hence allowing differences in the bioaccessibility of phenolics to be postulated.

bound phenolics ; polyphenols ; food metabolomics ; food quality ; in vitro antioxidant activity ; UHPLC-QTOF-MS

Inozemne institucije koautora na radu: Università Cattolica del Sacro Cuore, Piacenza, Italy ; Faculty of Pharmacy, Universitat de València, Spain

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Podaci o izdanju

2019

2019.

1-9

objavljeno

0022-5142

1097-0010

10.1002/jsfa.9889

Povezanost rada

Prehrambena tehnologija

Poveznice
Indeksiranost