Zobrazeno 1 - 10
of 52
pro vyhledávání: '"Mahmoud A.M. Nawwar"'
Autor:
Eman S. Mostafa, Ahmed Maher, Dalia A. Mostafa, Sameh S. Gad, Mahmoud A.M. Nawwar, Noha Swilam
Publikováno v:
Antioxidants, Vol 10, Iss 3, p 436 (2021)
Polyphenols are known dietary antioxidants. They have recently attracted considerable interest in uses to prevent skin aging and hyperpigmentation resulting from solar UV-irradiation. Prunus persica (L.) leaves are considered by-products and were rep
Externí odkaz:
https://doaj.org/article/eabb747f647f4fc4a136241f7f8d3ad4
Autor:
Abeer H. Abdel-Halim, Elsayed A. Elsayed, Michael W. Linscheid, Sherien K. Hassan, Wagdy K.B. Khalil, A N Hashim, Eman S. Moustafa, Amria M. Mousa, Nayera Anwar, Nermin M. El-Sammad, Mahmoud A.M. Nawwar
Publikováno v:
Toxicology Reports, Vol 6, Iss, Pp 1071-1085 (2019)
Lung cancer has one of the highest mortality rates among various types of cancer and is the most frequent cancer in the world. The incidence of lung cancer is increasing rapidly, in parallel with an increased incidence of smoking. Effective chemoprev
Chemical investigation of the aerial parts of Ammania aegyptiaca ethanol extract (AEEE) revealed significant high concentrations of polyphenols and flavonoids content with notable antioxidant activity in DPPH, ORAC, and reducing power assay. New acyl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::28975791b0b437ea381763e6a4583985
https://doi.org/10.21203/rs.3.rs-116589/v1
https://doi.org/10.21203/rs.3.rs-116589/v1
Autor:
Sherien K. Hassan, Nermin M. El-Sammad, Wagdy K. B. Khalil, Mahmoud A.M. Nawwar, Amria M. Mousa, Elsayed A. Elsayed, A N Hashim, Abeer H. Abdel-Halim, Nayera Anwar
Publikováno v:
Biomolecules
Volume 9
Issue 12
Volume 9
Issue 12
One of the major etiological factors that account for lung cancer is tobacco use. Benzo(a)pyrene [B(a)P], one of the main constituents of tobacco smoke, has a key role in lung carcinogenesis. The present study was conducted to investigate the cytotox
Autor:
Dalia A. Elaty Mostafa, Noha Swilam, Ahmed Maher, Sameh. S. Gad, Mahmoud A.M. Nawwar, Eman S. Mostafa
Publikováno v:
Antioxidants
Volume 10
Issue 3
Antioxidants, Vol 10, Iss 436, p 436 (2021)
Volume 10
Issue 3
Antioxidants, Vol 10, Iss 436, p 436 (2021)
Polyphenols are known dietary antioxidants. They have recently attracted considerable interest in uses to prevent skin aging and hyperpigmentation resulting from solar UV-irradiation. Prunus persica (L.) leaves are considered by-products and were rep
Publikováno v:
Industrial Crops and Products. 158:112901
Celery ethanol extract (CEE) of leaves of Apium graveolens var. secalinum Alef, showed high phenolic content with significant antioxidant activity using DPPH and ORAC assay. Two unique unknown compounds, apigenin 7-O-mono-apiofuranoside and acylated
Autor:
Soumaya S. Zaghloul, Omayma A. Eldahshan, Eman S. Mostafa, Michael W. Linscheid, Mohamed A El-Raey, Amani Hashem, Mahmoud A.M. Nawwar, Ulrike Lindequist, Nahla A. Ayoub
Publikováno v:
Zeitschrift für Naturforschung C. 70:39-43
Chemical investigation of the extract of the whole Ammania auriculata plant resulted in the identification of 13 polyphenols, including the hitherto unknown flavonoids, kaempferol 3-O-β-(6″-galloylglucopyranoside)-7-O-β-glucopyranoside, and its q
Autor:
Mohamed A. El-Rai, Kristian Wende, Mahmoud A.M. Nawwar, Ahmed M. Al-Abd, Manuela Harms, Fatma Bassyouny, Eman S. Mostafa, Michael W. Linscheid, Nahla A. Ayoub, Ulrike Lindequist
Publikováno v:
Fitoterapia. 83:1256-1266
Three ellagitannins and one disulfated flavonol were isolated from the aerial parts of Reaumuria vermiculata L. Besides that, 16 known compounds were characterized as well. The structures of all compounds were elucidated on the basis of spectroscopic
Autor:
Reham El-Sharawy, Sahar A.M. Hussein, Mahmoud A.M. Nawwar, A N Hashim, Ulrike Lindequist, Manuela Harms, Nahla A. Ayoub, Kristian Wende
Publikováno v:
Archives of Pharmacal Research. 35:761-767
Chemical investigation on leaves of Annona muricata resulted in the isolation of the flavonol triglycoside, quercetin 3-O-α-rhamnosyl-(1″″ → 6″)-β-sophoroside, together with twelve known phenolics. The structures of these compounds were est
Autor:
Reham El-Sharawy, Mahmoud A.M. Nawwar, Sahar A.M. Hussein, Manualle Harms, Urlike Lindequist, Kristian Wende, Nahla A. Ayoub, A N Hashim
Publikováno v:
Fitoterapia. 82:1265-1271
Assessment of the UV protecting potential of an aqueous methanol leaf extract of Harpephyllum caffrum proved that it possesses a distinct radical scavenging effect and inhibits the production of the proinflammatory cytokine IL-6 by human keratinocyte