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Articles

Antioxidant phenolic acids from the leaves of Armeniaca sibirica

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Pages 969-976 | Received 19 Apr 2017, Accepted 25 Aug 2017, Published online: 11 Sep 2017
 

Abstract

Phytochemical investigation of the leaves of Armeniaca sibirica (L.) Lam. led to the isolation of two new phenolic acids (12), together with eight known compounds (310) from the ethanol extracts of this plant. Structures of these compounds were elucidated through detailed spectroscopic analyses, using 1D-NMR and 2D-NMR in combination with HR-EI-MS techniques. All the compounds were evaluated for their antioxidant capabilities in vitro using 2, 2′-azino-bis-3-ethylbenzothiazoline-6-sulphonic acid (ABTS), 1, 1′-diphenyl-2-picrylhydrazyl (DPPH) free radical scavenging assays, and ferric-reducing antioxidant power (FRAP) methods.

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