title: Characterization of phenolic compounds of thorny and thornless blackberries.
abstract: The aim of this study was to identify and compare the contents of phenolic acids, tannins, anthocyanins, and flavonoid glycosides in thorny and thornless blackberries. Five thorny and nine thornless cultivars were used for this study. Thirty-five phenolic compounds were determined in the examined fruits, and one phenolic acid, three ellagic acid derivatives, one anthocyanin, and six flavonols were characterized for the first time in blackberries. The thornless fruits were characterized by a higher content of anthocyanins (mean = 171.23 mg/100 g FW), ellagitannins (mean = 3.65 mg/100 g FW), and ellagic acid derivatives (mean = 2.49 mg/100 g FW), in comparison to thorny ones. At the same time, in thorny fruits, the contents of hydroxycinnamic acids (mean = 1.42 mg/100 g FW) and flavonols (mean = 5.70 mg/100 g FW) were higher.
authors.affiliation: †Department of Fruit, Vegetables and Cereals Technology, Wrocław University of Environmental and Life Sciences, Chełmońskiego 37/41, 51-630 Wrocław, Poland.
authors.forename: Joanna
authors.initials: J
authors.lastname: Kolniak-Ostek
authors.affiliation: †Department of Fruit, Vegetables and Cereals Technology, Wrocław University of Environmental and Life Sciences, Chełmońskiego 37/41, 51-630 Wrocław, Poland.
authors.forename: Alicja Z
authors.initials: AZ
authors.lastname: Kucharska
authors.affiliation: †Department of Fruit, Vegetables and Cereals Technology, Wrocław University of Environmental and Life Sciences, Chełmońskiego 37/41, 51-630 Wrocław, Poland.
authors.forename: Anna
authors.initials: A
authors.lastname: Sokół-Łętowska
authors.affiliation: §Department of Pharmacognosy, Wrocław Medical University, Borowska 211A, 50-140 Wrocław, Poland.
authors.forename: Izabela
authors.initials: I
authors.lastname: Fecka
mesh_terms: D005638:Fruit / Q000737:chemistry / Q000145:classification; D010636:Phenols / Q000737:chemistry* / Q000302:isolation & purification; D010936:Plant Extracts / Q000737:chemistry* / Q000302:isolation & purification; D065856:Rubus / Q000737:chemistry* / Q000145:classification
chemical_list: D010636:Phenols; D010936:Plant Extracts
keywords: UPLC-MS/MS; blackberries; phenolics; thornless; thorny