Výsledky vyhledávání - "Medhat M Seif El-Nasr"

Biotechnological and chemical analysis of Egyptian Diospyros kaki L. cv. Costata grown in Egypt

Autor: Seham S. El-Hawary, Naglaa Mohamed Nazif, Hussein Taha, Iman El Sheikh, Medhat M Seif El-Nasr, Soad Hanna Tadros, Mona Abdelmohsen

Publikováno v: Bulletin of the National Research Centre, Vol 44, Iss 1, Pp 1-7 (2020)

BackgroundDiospyros kakiL. is considered one of the most important economical medicinal plant in Chinese herbal medicine belonging to family Ebenaceae as it contains varied secondary metabolites and used in treatment of many diseases. For there is an

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::83b699a83d8eb0f20c0cf73fecc588d2
http://link.springer.com/article/10.1186/s42269-020-00322-y

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Phyto- and Bio-Chemical evaluation of Diospyros kaki L. cultivated in Egypt and its biological activities

Autor: Seham S. El-Hawary, E. El Sheikh, M. M. AbdelMohsen, Soad Hanna Tadros, Medhat M Seif El-Nasr, M. S. Mohamed, N. M. Nazif

Publikováno v: Brazilian Journal of Biology, Issue: ahead, Published: 05 AUG 2019
Brazilian Journal of Biology v.80 n.2 2020
Brazilian Journal of Biology
Instituto Internacional de Ecologia (IIE)
instacron:IIE
Brazilian Journal of Biology, Vol 80, Iss 2, Pp 295-304 (2019)

Diospyros kaki L. or Costata cultivar is the main persimmon variety progressively consumed in the Egyptian market and exportation. The objective of this study was to investigate the bioprotective effects of the alcoholic extract of fruits as well as

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4d2fb6045d4befb44abb1b4d5dbbba79
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1519-69842019005008102&lng=en&tlng=en

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Isolation and characterization of antineoplastic alkaloids from Catharanthus roseus l. Don. cultivated in Egypt

Autor: Mostafa M El-Missiry, Khaled A. Shams, Medhat M Seif El Nasr, Naglaa M Nazif, Nahla S. Abdel Azim, Khaled A Abdel Shafeek, S. I. Ismail

Publikováno v: African Journal of Traditional, Complementary and Alternative Medicines. 6

Vinblastine and vincristine (the antileukemic agents) were isolated, in a pure form, from Catharanthus roseus L. Don., cultivated in Egypt, by several chromatographic techniques. Five modified methods for the preparation of total alkaloids were carri

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::84cdd4fbaad644183f4bbcc34d92650f
https://doi.org/10.4314/ajtcam.v6i2.57082

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Isolation and characterization of antineoplastic alkaloids from Catharanthus roseus L. Don. cultivated in Egypt

Autor: Khaled A, Shams, Naglaa M, Nazif, Nahla S, Abdel Azim, Khaled A, Abdel Shafeek, Mostafa M, El-Missiry, Shams I, Ismail, Medhat M, Seif El Nasr

Publikováno v: African journal of traditional, complementary, and alternative medicines : AJTCAM. 6(2)

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::578dc8a2fded9f0468f7310f0ac86fd9
https://pubmed.ncbi.nlm.nih.gov/20209002

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The application of liquid chromatography-electrospray ionization mass spectrometry and collision-induced dissociation in the structural characterization of acylated flavonol O-glycosides from the seeds of Carrichtera annua

Autor: Filip Cuyckens, Hilde Van den Heuvel, Magda Claeys, Medhat M. Seif-El Nasr, Luc Pieters, Moustafa M. El-Messiry, Arnold J. Vlietinck, Khaled A. Abdel-Shafeek, Abdelaaty A. Shahat

Publikováno v: European journal of mass spectrometry

The flavonoid fraction from the seeds of Carrichtera annua was studied using high-performance liquid chromatography simultaneously coupled to a photodiode array detector (LC/UV-DAD) and a mass spectrometer equipped with an electrospray source (LC/ESI

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::398496f98cbba6df10b76d20e9a8adaa
https://pubmed.ncbi.nlm.nih.gov/12939492

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A new acylated flavonol triglycoside from Carrichtera annua

Autor: Sandra Apers, Moustafa M. El-Messiry, Abdelaaty A. Shahat, Luc Pieters, Khaled A. Abdel-Shafeek, Medhat M. Seif-El Nasr

Publikováno v: Journal of natural products

A new acylated flavonol triglycoside, quercetin 3-O-[(6-feruloyl-beta-glucopyranosyl)-(1-->2)-beta-arabinopyran oside] -7-O-beta-glucopyranoside (1), as well as the known flavonoid quercetin, were isolated from the whole plants of Carrichtera annua.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::db31a79411bf90f6ca39be4c66586ca4
https://pubmed.ncbi.nlm.nih.gov/10869217

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