Phenolic profile and antioxidant properties of commercial and wild Fragaria vesca L. roots: A comparison between hydromethanolic and aqueous extracts

•Procyanidins were the major compounds in commercial and wild F. vesca roots.•Ellagic acid glycosides were only found in the commercial sample of F. vesca roots.•Dihydroflavonols and flavonols derivatives were only found in the wild sample.•Antioxidant potential correlated with phenolic compounds in...

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Veröffentlicht in:Industrial crops and products 2015-01, Vol.63, p.125-132
Hauptverfasser: Dias, Maria Inês, Barros, Lillian, Oliveira, M. Beatriz P.P., Santos-Buelga, Celestino, Ferreira, Isabel C.F.R.
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Sprache:eng
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Zusammenfassung:•Procyanidins were the major compounds in commercial and wild F. vesca roots.•Ellagic acid glycosides were only found in the commercial sample of F. vesca roots.•Dihydroflavonols and flavonols derivatives were only found in the wild sample.•Antioxidant potential correlated with phenolic compounds in infusion of wild sample.•Roots of F. vesca could be directly consumed as infusions/decoctions. The phenolic profile of hydromethanolic extracts, infusions and decoctions of commercial and wild samples of Fragaria vesca (wild strawberry) roots was obtained by HPLC-DAD/ESI-MS, and further correlated with their antioxidant properties. Commercial and wild samples showed similarities in terms of flavan-3-ols (TF3O), with catechin derivatives, mainly procyanidins, as major compounds in both samples. The commercial sample presented ellagic acid glycosides, whereas the wild sample presented flavonols (TF) and dihydroflavonols (TdhF, taxifolin derivatives). The infusion of wild sample gave the highest content of total phenolic compounds (TPC), DPPH (2,2-diphenyl-1-picrylhydrazyl) scavenging activity, reducing power and TBARS (thiobarbituric acid reactive substances) inhibition. The antioxidant capacity (mainly β-carotene bleaching and TBARS inhibition) observed for the wild sample is correlated with TF3O, TF and TPC. Overall, the high antioxidant potential of F. vesca roots was demonstrated and could be achieved directly by consumption of infusions/decoctions or by incorporating hydromethanolic extracts in antioxidant formulations.
ISSN:0926-6690
1872-633X
DOI:10.1016/j.indcrop.2014.10.021