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

School of Pharmaceutical Sciences, Jilin University, Changchun 130021, China
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Molecules 2012, 17(12), 13917-13922; https://doi.org/10.3390/molecules171213917
Received: 26 September 2012 / Revised: 15 November 2012 / Accepted: 16 November 2012 / Published: 23 November 2012
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. View Full-Text
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
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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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