PHYTOCHEMICAL INVESTIGATION OF CENTAUREA ARANEOSA GROWING IN EGYPT.
Farrag, N., Abdel-Aziz, E., El-Domiaty, M., El Shafea, A. (1993). PHYTOCHEMICAL INVESTIGATION OF CENTAUREA ARANEOSA GROWING IN EGYPT.. EKB Journal Management System, 2(1), 29-45. doi: 10.21608/zjps.1993.188986
Nawal Farrag; Ehsan Abdel-Aziz; Maher El-Domiaty; Azza El Shafea. "PHYTOCHEMICAL INVESTIGATION OF CENTAUREA ARANEOSA GROWING IN EGYPT.". EKB Journal Management System, 2, 1, 1993, 29-45. doi: 10.21608/zjps.1993.188986
Farrag, N., Abdel-Aziz, E., El-Domiaty, M., El Shafea, A. (1993). 'PHYTOCHEMICAL INVESTIGATION OF CENTAUREA ARANEOSA GROWING IN EGYPT.', EKB Journal Management System, 2(1), pp. 29-45. doi: 10.21608/zjps.1993.188986
Farrag, N., Abdel-Aziz, E., El-Domiaty, M., El Shafea, A. PHYTOCHEMICAL INVESTIGATION OF CENTAUREA ARANEOSA GROWING IN EGYPT.. EKB Journal Management System, 1993; 2(1): 29-45. doi: 10.21608/zjps.1993.188986

PHYTOCHEMICAL INVESTIGATION OF CENTAUREA ARANEOSA GROWING IN EGYPT.

Zagazig Journal of Pharmaceutical Sciences
Article 4, Volume 2, Issue 1, June 1993, Page 29-45  XML PDF (5.16 MB)
Document Type: Original Article
DOI: 10.21608/zjps.1993.188986
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Authors
Nawal Farrag email 1; Ehsan Abdel-Aziz2; Maher El-Domiaty3; Azza El Shafea4
1Pharmacognosy Department, Faculty of Pharmacy, University of Zagazig , Zagazig , Egypt
2Department of Pharmacognosy, Faculty of Pharmacy, Zagazig University, Zagazig, Egypt.
3Department of Pharmacognosy, Faculty of Pharmacy, University of Zagazig, Egypt.
4DEPARTMENT OF PHARMACOGNOSY, FACULTY OF PHARMACY UNIVERSITY OF ZAGAZIG , EGYPT.
Abstract
The petroleum ether extract of Centaurea araneosa afforded : Lupeol acetate, long chain acid ( C 30 H60O2), Lupeol, β- sitosterol- stigmasterol mixture and a waxy substance. The chloroform fraction yielded three methoxylated flavonoid aglycones of rare occurrence in Compositae namely : velutin, hispidulin and cirsmaritin in addition to apigenin. The ethyl acetate fraction yielded β - sitosterol glucoside, apigenin 7-0- glucoside and luteolin 7- 0 - glucoside. Extraction of the sesquiterpene lactones yielded only cnicin. The structure of these compounds was determined through spectral analysis and chemical interconversion as well as comparison with reported data.
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