FLAVONOIDS FROM PULICARIA UNDULATA (L.) KOSTEL GROWN IN EGYPT | ||||
| Bulletin of Pharmaceutical Sciences Assiut University | ||||
| Article 5, Volume 5, Issue 1, 1982, Page 65-71 PDF (228.04 K) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/bfsa.1982.102830 | ||||
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| Authors | ||||
| D. W. Bishay; C. S. Gomaa; M. H. Assaf | ||||
| Department of Pharmacognosy, Faculty of Pharmacy, Assiut University, Assiut, Egypt | ||||
| Abstract | ||||
| From the ethanolic extract of the total herb of Pulicaria undulate (L.) Kostel; five flavonoids were isolated. Their structures were established by physical, chemical and spectral, methods (UV, IR, NMR and MS) and proved to be: 7-methoxy kaempferel (Rhamnocitrin), 3,7 dimethoxy quercetion, 7-methoxy quercetin (Rhamnetin), dihydrokaempferol and quercetin 3-o-glucoside (Isoquercetrin). A chromatospectrophotometric method was adopted for quantitative estimation of these flavonoids. | ||||
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