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Molecules 2012, 17(12), 13917-13922; doi:10.3390/molecules171213917
Article

Isolation and Identification of the Phenolic Compounds from the Roots of Sanguisorba officinalis L. and Their Antioxidant Activities

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Received: 26 September 2012 / Revised: 15 November 2012 / Accepted: 16 November 2012 / Published: 23 November 2012
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Abstract

Four phenolic compounds were isolated from the roots of Sanguisorba officinalis L. by silica gel column chromatography and preparative HPLC. On the basis of chemical and spectroscopic methods, their structures were identified as methyl 4-O-β-D-glucopyranosy-5-hydroxy-3-methoxylbenzoate (1), 3,3′,4′-tri-O-methylellagic acid (2), fisetinidol-(4α-8)-catechin (3), and (+)-catechin (4). Compound 1 is a new phenolic glycoside and compounds 2 and 3 were isolated from the Sanguisorba genus for the first time. Compounds 14 were also assayed for their antioxidant activities using the DPPH free radical assay.
Keywords: Sanguisorba officinalis; isolation; antioxidant activities; phenolic glycoside; fisetinidol-(4α-8)-catechin; ellagic acid; catechin Sanguisorba officinalis; isolation; antioxidant activities; phenolic glycoside; fisetinidol-(4α-8)-catechin; ellagic acid; catechin
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.

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Zhang, S.; Liu, X.; Zhang, Z.-L.; He, L.; Wang, Z.; Wang, G.-S. Isolation and Identification of the Phenolic Compounds from the Roots of Sanguisorba officinalis L. and Their Antioxidant Activities. Molecules 2012, 17, 13917-13922.

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