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- Publications
- Influence
Isolation of biologically active constituents from Moringa peregrina (Forssk.) Fiori. (family: Moringaceae) growing in Egypt
- T. El-Alfy, S. Ezzat, A. Hegazy, A. M. Amer, G. Kamel
- Chemistry, Medicine
- Pharmacognosy magazine
- 1 April 2011
Background: Moringa peregrina is a wild plant that grown in the eastern desert mountains in Egypt. Although, this plant is native to Egypt, no details studies were traced on its chemical composition… Expand
Chemical and biological study of the seeds of Eragrostis tef (Zucc.) Trotter
- T. El-Alfy, Shahira M. Ezzat, A. Sleem
- Biology, Medicine
- Natural product research
- 1 April 2012
A chemical study of the red type of the seeds of Eragrostis tef (Zucc.) Trotter (Poaceae) led to the isolation of seven compounds from its ethanol extract, namely β-sitosterol (1),… Expand
Study on combined antimicrobial activity of some biologically active constituents from wild Moringa peregrina Forssk.
- M. A. A. Tahany, A. K. Hegazy, A. M. Sayed, H. F. Kabiel, T. El-Alfy, S. M. El-Komy
- Biology
- 28 February 2010
Three plants were used in this study: Moringa pregrina, Achillea fragrantissima and Coleome droserifolia. Six active constituents were separated from n-hexane and ethyl acetate fractions of Moringa… Expand
- 42
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Phytochemical and biological investigation of the extracts of Nigella sativa L. seed waste.
- C. G. Michel, Nesrine S. El-Sayed, S. F. Moustafa, Shahira M. Ezzat, D. Nesseem, T. El-Alfy
- Chemistry, Medicine
- Drug testing and analysis
- 1 April 2011
Different extracts of Nigella sativa L. seed waste; aqueous (AE) 200 mg/kg, ethanol 70% (EE) 250 mg/kg and hexane (HE) 10 mg/kg, were evaluated for their hepatoprotective activities. They were… Expand
A New Flavonoid C-Glycoside from Celtis australis L. and Celtis occidentalis L. Leaves and Potential Antioxidant and Cytotoxic Activities
- T. El-Alfy, H. El-Gohary, N. Sokkar, M. Hosny, D. A. Al-Mahdy
- Biology, Medicine
- Scientia pharmaceutica
- 6 October 2011
A major development over the past two decades has been the realization that free radical induced lipid peroxidation and DNA damage are associated with major health problems, e.g. cancer and ageing.… Expand
Chemical and biological study of the seeds of Eragrostis tef
- T. El-Alfy, S. Ezzat, A. Sleem
- Chemistry
- 2012
and isorhamnetin-3-O-rhamnoglucoside (7), which are reported for the first time in the genus Eragrostis. This is the first report for the isolation of compounds (2) and (6) in nature. The isolated… Expand
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Estrogenic activity of Citrus medica L. leaves growing in Egypt
- T. El-Alfy, M. Hetta, N. Yassin, Rehab F. Abdel Rahman, Esraa M. Kadry
- Chemistry
- 18 August 2012
The estrogenic activity of petroleum ether extract of Citrus medica L. leaves as well as the chemical constituents responsible for the biological activity was studied. The petroleum ether extract… Expand
Antioxidant activity and molecular docking study of Erythrina × neillii polyphenolics
- Salma K. Gabr, R. Bakr, E. S. Mostafa, Ahlam M. El-Fishawy, T. El-Alfy
- Chemistry
- 1 March 2019
Abstract Species of genus Erythrina have a great contribution in folk medicine; various species are utilized as a tranquilizer, to treat insomnia, inflammation and colic. Besides, Erythrina species… Expand
Bioactive aqueous extract of Nigella sativa L . seed waste : Formulation and evaluation
The bioactive aqueous extract of Nigella sativa L. seed waste was formulated into soft gelatin capsule s (Su1-Su6) in a dose of 200 mg/kg b. w. using differ ent pharmaceutical excipients: soya… Expand
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Formulation and evaluation of antihyperglycemic leaf extracts of Zizyphus spina-christi (L.) Willd.
- D. Nesseem, C. G. Michel, A. Sleem, T. El-Alfy
- Chemistry, Medicine
- Die Pharmazie
- 1 February 2009
This study deals with the formulation of antihyperglycemic leaf extracts of Zizyphus spina-christi (L.) Willd. A bioactivity guided fractionation of different leaf extracts [defatted ethanol 70% (a),… Expand