Search results for "UHPLC-QTOF-MS"

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

2019

BACKGROUND Tomato is one of the most important agricultural crops and it is characterized by a wide bioactive compound profile. However, little information is reported on its comprehensive polyphenol profile. In this work, 13 commercial tomato cultivars for industrial transformation were screened by 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 struct…

Hydroxybenzoic acidAntioxidantfood metabolomicsin vitro antioxidant activitymedicine.medical_treatmentbound phenolicsfood qualityFlavonesAntioxidantsMass SpectrometryAnthocyaninsAbsorbancechemistry.chemical_compoundSolanum lycopersicumPhenolsUHPLC-QTOF-MSSettore AGR/13 - CHIMICA AGRARIAmedicineCultivarFood scienceChromatography High Pressure LiquidpolyphenolsFlavonoidschemistry.chemical_classificationNutrition and DieteticsPlant ExtractsChemistryfungifood and beveragesBioactive compoundPolyphenolFruitComposition (visual arts)Agronomy and Crop Sciencebound phenolics ; polyphenols ; food metabolomics ; food quality ; in vitro antioxidant activity ; UHPLC-QTOF-MSFood ScienceBiotechnology

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