FLAVONOIDS FROM ONOPORDON HETERACANTHUM C.A. MEY | ||||
| Bulletin of Pharmaceutical Sciences Assiut University | ||||
| Article 10, Volume 26, Issue 1, June 2003, Page 83-89 PDF (176.92 K) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/bfsa.2003.65472 | ||||
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| Author | ||||
| S. A. Youssef | ||||
| Department of Pharmacognosy, Faculty of Pharmacy, Assiut University, Assiut, Egypt | ||||
| Abstract | ||||
| Seven flavonoids were isolated viz., 3,6,7,4'-tetramethoxy-5,3'-dihydroxy flavonol, 5,7,4'- trihydroxy-6-methoxy flavone (hispedulin), apigenin, 5,7,3',4'-tetrahydroxy-6-methoxy flavone, luteolin, luteolin-7-O-glucoside, acacetin-7-O-rutinoside, in addition to -sitosterol and - sitosterol glucoside from Onopordon heteracanthum. The structures of these compounds were established through the chemical and spectral studies. All the isolated compounds were reported for the first time from the titled plant, while the compounds 3,6,7,4'-tetramethoxy-5,3'- dihydroxy flavonol, 5,7,3'4'-tetrahydroxy-6-methoxy flavone and acacetin-7-O-rutinoside were isolated for the first time from the genus Onopordon. | ||||
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