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Molecules 2018, 23(1), 53; doi:10.3390/molecules23010053

Evaluation of Bioactive Compounds, Minerals and Antioxidant Activity of Lingonberry (Vaccinium vitis-idaea L.) Fruits

Laboratory of the Natural Environment Chemistry, Forest Research Institute, Sękocin Stary, Braci Leśnej 3, 05-090 Raszyn, Poland
Ecology Department, Lithuanian Research Centre for Agriculture and Forestry, Instituto al. 1, Akademija, 58344 Kėdainiai Distr., Lithuania
Department of Chemistry, University of Warsaw, Pasteura 1, 02-093 Warsaw, Poland
Author to whom correspondence should be addressed.
Received: 28 November 2017 / Revised: 18 December 2017 / Accepted: 22 December 2017 / Published: 26 December 2017
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The extraction efficiency of major classes of phenolics from lingonberries grown in the central region of Poland was evaluated. The ethanol–water solution (60:40, v/v) resulted in the highest extraction yields; however, the results obtained for ethyl acetate were only slightly lower. Total phenolics estimated by Folin-Ciocalteu assay ranged from 468 to 661 mg of GA/100 g fresh weight (fw), while total flavonoids were in the range of 53.2–67.8 μmol/100 g fw. Both solvents exhibited comparable potential for monomeric anthocyanin extraction (26.1–43.0 mg CGE/100 g of fw). The content of several minerals in these fruits and in soil collected from the same places were compared. The essential metal concentrations in all samples increased in the following order: Cr < Cu < Zn < Fe. The levels of toxic elements (Cd, Pb) were acceptable to human consumption for most tested samples. The ethanol-water extracts exhibited the highest scavenging activity against 1,1-diphenyl-2-picryl-hydrazyl (DPPH) radicals, while the highest reducing capacity evaluated by cupric reducing antioxidant capacity (CUPRAC) was obtained for ethyl acetate extracts. View Full-Text
Keywords: lingonberries; polyphenols; flavonoids; anthocyanins; minerals; antioxidant activity lingonberries; polyphenols; flavonoids; anthocyanins; minerals; antioxidant activity

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Dróżdż, P.; Šėžienė, V.; Wójcik, J.; Pyrzyńska, K. Evaluation of Bioactive Compounds, Minerals and Antioxidant Activity of Lingonberry (Vaccinium vitis-idaea L.) Fruits. Molecules 2018, 23, 53.

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