Phenolic compounds and antioxidant activity of lingonberry (Vaccinium vitis-idaea L.) leaf, stem and fruit at different harvest periods

Food Chemistry
Oana-Crina BujorClaire Dufour

Abstract

Fruits and aerial parts of lingonberry could be better developed as dietary supplements if the composition in bioactive phenolic compounds and the best period for collection were known. UPLC/MS analysis revealed the predominant presence of arbutin in leaf and that of flavanols in stems harvested in May, July and September. Anthocyanins, flavanols and benzoic acid derivatives were equally present in fruits. Stem and leaf are highly homologous with (+)-catechin, A- and B-type dimers/trimers, and two quercetin glycosides as major contributors. No or only weak seasonal variations were highlighted for all phenolic classes. Additionally, flavanol oligomers showed a lower mDP for fruit (3-4) than for stem and leaf (4-6). The rate of A-type linkage was 3-5% with A-type subunits in extension mainly. Finally, the content in phenolic compounds (UPLC) correlated well with TPC and the DPPH radical scavenging activity although leaf and stem constituents reacted differently in both antioxidant tests.

Citations

Mar 2, 2019·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Lina RaudoneVida Motiekaityte
May 31, 2019·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Bianca Eugenia ȘtefănescuGianina Crişan
Jul 3, 2021·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Jan Stefaniak, Barbara Łata
Jul 13, 2021·Critical Reviews in Food Science and Nutrition·Ye Tian, Baoru Yang
Jul 22, 2021·Comprehensive Reviews in Food Science and Food Safety·Xuwei LiuCatherine M G C Renard
Aug 18, 2021·Food Research International·Haitao JiangWeibo Jiang
Aug 18, 2021·Journal of Pharmaceutical Sciences·Kausik K NandaSuzanne M D'Addio

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