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Type of publication: Straipsnis Clarivate Analytics Web of Science ar/ir Scopus / Article in Clarivate Analytics Web of Science or / and Scopus (S1)
Field of Science: Biologija / Biology (N010)
Author(s): Kraujalytė, Vilma;Venskutonis, Petras Rimantas;Pukalskas, Audrius;Česonienė, Laima;Daubaras, Remigijus
Title: Antioxidant properties, phenolic composition and potentiometric sensor array evaluation of commercial and new blueberry (Vaccinium corymbosum) and bog blueberry (Vaccinium uliginosum) genotypes
Is part of: Food chemistry. New York, NY : Elsevier, 2015, Vol. 188
Extent: p. 583-590
Date: 2015
Keywords: Vaccinium corymbosum;Vaccinium uliginosum;Antioksidacinis aktyvumas;Fenoliniai junginiai;Bendras antocianinų kiekis;Elektroninis liežuvis;Spalva;Vaccinium corymbosum;Vaccinium uliginosum;Antioxidant capacity;Phenolic compounds;Total anthocyanin content;Electronic tongue;Colour
Abstract: Antioxidant properties of juices of newly bred and known blueberry (Vaccinium corymbosum) genotypes and wild bog blueberry (Vaccinium uliginosum) were evaluated by ABTS·+ scavenging capacity (RSC), ferric reducing antioxidant power (FRAP), oxygen radical absorbance capacity (ORAC), total phenolic content (TPC) and total anthocyanin content (TAC) assays. TPC varied in the range of 0.85–2.81 mg gallic acid equiv./mL, RSC, FRAP and ORAC values were 6.38–20.9, 3.07–17.8 and 4.21–45.68 μmol Trolox equiv./g, respectively. New blueberry genotypes and bog blueberry demonstrated stronger antioxidant properties and TAC than other studied genotypes. The content of quinic (203–3614 μg/mL), chlorogenic (20.0–346.8 μg/mL) acids and rutin (0.00–26.88 μg/mL) measured by UPLC/ESI-QTOF-MS varied depending on the genotype. Juices were evaluated by electronic tongue; PCA score plot showed that the method discriminates different genotypes although some juice samples were located very closely and overlapping. Significant differences were observed between L∗, a∗, b∗ colour parameters of some genotypes
Affiliation(s): Kauno technologijos universitetas
Vytauto Didžiojo universitetas
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications

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