Antioxidant compounds from Algerian Convolvulus tricolor (Convolvulaceae) seed husks |
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| Authors: | Kacem Nassira Hay Anne-Emmanuelle Marston Andrew Zellagui Amar Rhouati Salah Hostettmann Kurt |
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| Institution: | Department of Chemistry, Faculty of Sciences, University Mentouri-Constantine, Algeria. nassirakacem@yahoo.com |
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| Abstract: | Seed husk extracts of Convolvulus tricolor L. (Convolvulaceae) afforded six compounds, identified for the first time from this plant: isorhamnetin 3-O-beta-D-galactopyranoside (1), isorhamnetin 3-O-beta-D-(6"-acetyl)-galactopyranoside (2), isorhamnetin 3-O-robinobioside (3), 3,4-di-O-caffeoylquinic acid (4), gentisic acid 5-O-glucoside (5), and scopoletin (6). Separation of compounds was carried out by CC and CPC. Structural elucidations were performed by HPLC-UV-DAD, HPLC-ESI/MS (negative mode) and NMR. |
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