Výsledky vyhledávání - "Laila A. Refahy"

Chemical Profiles and Bio-Activities of Different Extracts of Terfezia Species and their Other Associated Fungi

Autor: Omar M. Khalaf, Hassan M. F. Madkour, Mohamed S. Abdel-Aziz, Amal M. Saad, Ahmed K. El-Ziaty, Mosad A. Ghareeb, Laila A. Refahy

Publikováno v: Current Bioactive Compounds. 16:308-319

Background:Desert truffles (Terfezia species) are known by their vital nutritional benefits as they are considered as rich sources of vitamins, fatty acid, minerals and proteins.Methods:The chemical constituents of the different solvent extracts of T

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8fd1ec12af7e440e32d66514d9f79f9b
https://doi.org/10.2174/1573407214666181009110805

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Chromatographic Isolation and Characterization of Certain Bioactive Chemical Ingredients of Phyllanthus emblica Extracts and Assessment of Their Potentials as Antiviral and Anticancer Agents

Autor: Hend O. Ahmed, Manal M. Hamed, Laila A. Refahy, Maher A. El-Hashash, Mahmoud H. Romeih, Tamer Mohamed

Publikováno v: Egyptian Journal of Chemistry.

Aim: our study has been aimed to evaluate the antioxidant, anticancer and antiviral activities of Phyllanthus emblica leaves, as well as characterization of bioactive chemical constituents. Methods: The total phenolic and flavonoid contents of plant

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::61e172db2974afc598553265a4e0b118
https://doi.org/10.21608/ejchem.2021.79403.3902

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Chromatographic isolation and structural elucidation of secondary metabolites from the soil-inhabiting fungus Aspergillus fumigatus 3T-EGY

Autor: Ahmed A. Hamed, Amal M. Saad, Mohamed S. Abdel-Aziz, Laila A. Refahy, Mosad A. Ghareeb

Publikováno v: Acta Chromatographica. 30:243-249

Eight compounds were isolated and identified from the soil-inhabiting fungus Aspergillus fumigatus 3T-EGY, namely, stearic acid (1), α-linolenic acid (2), physcion (3), di-(2-ethylhexyl) phthalate (4), 2,4,5,17-tetramethoxy pradimicin lactone (5), 3

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::56a2bf9190441d41b9b3b8ea65630fbb
https://doi.org/10.1556/1326.2017.00329

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HPLC-DAD-ESI-MS/MS analysis of fruits from Firmiana simplex (L.) and evaluation of their antioxidant and antigenotoxic properties

Autor: Tamer Mohamed, Mosad A. Ghareeb, Amal M. Saad, Laila A. Refahy, Mansour Sobeh, Michael Wink

Publikováno v: Journal of Pharmacy and Pharmacology. 70:133-142

Objectives The secondary metabolites of the fruits of Firmiana simplex (L.) were analysed by LC-DAD-ESI-MS/MS; furthermore, we evaluated their antioxidant and antigenotoxic properties. Methods The antioxidant activity was investigated using the 2,2�

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::84146cd7d9b47a0b59bd5f15921daade
https://doi.org/10.1111/jphp.12843

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Active Cytotoxic Compounds and Essential Oil from Bougainvillea Alba

Autor: AbdEl-nabi E. EL-Deeb, Ibrahim M. Abdel-Aleem, Samir M. El-Amin, Laila A. Refahy, Maha A. El-Shazly

Publikováno v: Journal of Natural Remedies, Vol 15, Iss 1, Pp 49-57 (2015)

Chemical analysis of methanol extract of flowers and leaves of Bougainvillea alba led to isolation of four compounds identified as 3’, 4’, 6 - trimethoxy, 5 – hydroxyl 7-prenyl 3-O- (feruloyl (1→2) - rhamnpyranosyl) flavone[1], 3-O β-D-gluco

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doajarticles::9509178d699ad05e7705ef03e48d55a3
http://www.informaticsjournals.com/index.php/jnr/article/view/486

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Bioactive secondary metabolites from the locally isolated terrestrial fungus, Penicillium sp. SAM16-EGY

Autor: Amal M. Saad, Manal M. Hamed, Ahmed A. Hamed, Mosad A. Ghareeb, Mohamed S. Abdel-Aziz, Laila A. Refahy

Publikováno v: Pharmacognosy Research. 11:162

Background: Penicillium is a diverse genus occurring worldwide; its species are of major importance in the natural environment as decomposer of organic materials as well as food and drug production. Objective: Chromatographic isolation and identifica

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::054b6d896b0ae71e09bc335215b8732c
https://doi.org/10.4103/pr.pr_102_18

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HPLC-DAD-ESI-MS/MS characterization of bioactive secondary metabolites from Strelitzia nicolai leaf extracts and their antioxidant and anticancer activities In vitro

Autor: Laila A. Refahy, Sami Mohamed Nasr, Wafaa S. Ahmed, Mosad A. Ghareeb, Amal M. Saad

Publikováno v: Pharmacognosy Research. 10:368

Background: Strelitzia nicolai Regel and Korn (Strelitziaceae) is native to Southern Africa whose phytochemistry and pharmacology were slightly investigated. Materials and Methods: In the current work, different solvent extracts of S. nicolai were sc

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4a9c0b65180b87a993df1f3cad2b78cf
https://doi.org/10.4103/pr.pr_89_18

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