Characterization and fate of black currant and bilberry flavonols in enzyme-aided processing

Journal of Agricultural and Food Chemistry
Jani M KoponenA Riitta Törrönen

Abstract

The fate of black currant ( Ribes nigrum L.) and bilberry ( Vaccinium myrtillus L.) flavonols in enzyme-aided processing was studied. The flavonols were quantified and characterized by high-performance liquid chromatography equipped with a diode array detector and an electrospray ionization mass spectrometer. A tentative identification for 14 black currant and 19 bilberry flavonols is presented representing 11 previously unpublished conjugates. For the first time in any berry, the presence of laricitrin conjugates is reported. The enzyme-aided processing affected the flavonol extractability, elevating the yield in juices and decreasing that in press residues. Importantly, no significant loss of the berry flavonols was observed during the experiments, although some hydrolysis of flavonol conjugates was recorded. To maximize the effect on flavonol extractability, higher enzyme dosages were needed for black currants than for bilberries. The data show that the flavonol extractability and hydrolysis are dependent on the texture of raw material, the glycosylation pattern of the conjugates, and the activity profile of the enzyme preparation.

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Jul 9, 2004·Journal of Agricultural and Food Chemistry·Kaisu R Määttä-RiihinenA Riitta Törrönen
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Jan 31, 2007·Journal of Agricultural and Food Chemistry·Jani M KoponenA Riitta Törrönen

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Citations

Mar 14, 2013·Journal of Agricultural and Food Chemistry·Baoru YangHeikki Kallio
Mar 1, 2011·Appetite·Caterina DinnellaErminio Monteleone
Sep 11, 2012·Molecular Nutrition & Food Research·Marjukka KolehmainenRiitta Törrönen
May 20, 2015·Journal of Agricultural and Food Chemistry·Oskar A LaaksonenBaoru Yang
May 6, 2016·Journal of Agricultural and Food Chemistry·Leenamaija MäkiläBaoru Yang
Nov 29, 2013·Journal of Toxicology and Environmental Health. Part a·Ewa AmbrożewiczElżbieta Skrzydlewska
Dec 17, 2009·Journal of Agricultural and Food Chemistry·Anja K LättiPirjo S Kainulainen
Feb 13, 2009·Journal of Agricultural and Food Chemistry·Jozef HudecPavol Slamka
Mar 26, 2009·Journal of Agricultural and Food Chemistry·Mari SandellHeikki Kallio
Dec 9, 2008·Journal of Agricultural and Food Chemistry·Noelia Castillo-MuñozIsidro Hermosín-Gutiérrez
Apr 24, 2019·Journal of Agricultural and Food Chemistry·Ye TianBaoru Yang

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