Zobrazeno 1 - 10
of 90
pro vyhledávání: '"Hala N. ElSohly"'
Autor:
Vijai K, Agnihotri, Hala N, ElSohly, Shabana I, Khan, Melissa R, Jacob, Vaishali C, Joshi, Troy, Smillie, Ikhlas A, Khan, Larry A, Walker
Publikováno v:
Phytochemistry letters. 1(2)
From the leaves of Nelumbo nucifera (an aquatic plant), one new compound, 24(R)-ethylcholest-6-ene-5α-ol-3-O-β-D-glucopyranoside (1), along with 11 known metabolites (2–12), were isolated and identified by spectroscopic methods including 1D- and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::081793451b2d0373cbfad72b81e7fa2e
https://pubmed.ncbi.nlm.nih.gov/29152009
https://pubmed.ncbi.nlm.nih.gov/29152009
Autor:
Troy J. Smillie, Larry A. Walker, Vaishali C. Joshi, Vijai K. Agnihotri, Hala N. ElSohly, Melissa R. Jacob, Ikhlas A. Khan, Shabana I. Khan
Publikováno v:
Phytochemistry Letters. 1:89-93
From the leaves of Nelumbo nucifera (an aquatic plant), one new compound, 24(R)-ethylcholest-6-ene-5α-ol-3-O-β- d -glucopyranoside (1), along with 11 known metabolites (2–12), were isolated and identified by spectroscopic methods including 1D- an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f2a9511c1701189f7453bedd01346b88
https://doi.org/10.1016/j.phytol.2008.03.003
https://doi.org/10.1016/j.phytol.2008.03.003
Autor:
Alice M. Clark, Susan P. Manly, Xing-Cong Li, Shabana I. Khan, M. Khalid Ashfaq, Ameeta K. Agarwal, K. Suresh Babu, Hala N. ElSohly, Melissa R. Jacob
Publikováno v:
Antimicrobial Agents and Chemotherapy. 52:2442-2448
Our continuing effort in antifungal natural product discovery has led to the identification of five 6-acetylenic acids with chain lengths from C 16 to C 20 : 6-hexadecynoic acid (compound 1), 6-heptadecynoic acid (compound 2), 6-octadecynoic acid (co
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::57303734c28d844c113ae89fe0b675c0
https://doi.org/10.1128/aac.01297-07
https://doi.org/10.1128/aac.01297-07
Autor:
Vijai K. Agnihotri, Troy J. Smillie, Hala N. ElSohly, Ikhlas A. Khan, Larry A. Walker, Shabana I. Khan
Publikováno v:
Phytochemistry. 69:2061-2066
As part of an ongoing search for antioxidants from medicinal plants, 20 constituents were isolated from the Nymphaea caerulea flowers, including two 2S,3S,4S-trihydroxypentanoic acid (1), and myricetin 3-O-(3''-O-acetyl)-alpha-L-rhamnoside (2), along
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0b28b046ed88473e5513ef642b5a5c07
https://doi.org/10.1016/j.phytochem.2008.04.009
https://doi.org/10.1016/j.phytochem.2008.04.009
Autor:
Troy J. Smillie, Xing-Cong Li, Alice M. Clark, Hala N. ElSohly, Dale G. Nagle, Larry A. Walker, Melissa R. Jacob
Publikováno v:
Journal of Natural Products. 66:1132-1135
Antifungal bioassay-guided isolation of the ethanol extract of the roots of Pentagonia gigantifolia yielded 6-octadecynoic acid (1) and the new 6-nonadecynoic acid (2). Compounds 1 and 2 inhibited the growth of fluconazole-susceptible and -resistant
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::470d50b1cba81063bedf5e489dc1a98f
https://doi.org/10.1021/np030196r
https://doi.org/10.1021/np030196r
Autor:
Hala N. ElSohly, Daneel Ferreira, Bo Tan, Larry A. Walker, Jordan K. Zjawiony, Xing-Cong Li, Alpana S. Joshi
Publikováno v:
Tetrahedron. 58:8709-8717
The absolute configurations of three flavanone-(3→8″)-flavone type biflavonoids, (+)-morelloflavone ( 1 ), (+)-morelloflavone-7-sulfate ( 2 ) and (+)-volkensiflavone-7-sulfate ( 3 ) isolated from Rheedia acuminata were confirmed by circular dichr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::47131e036619f120cc16ff83bc162371
https://doi.org/10.1016/s0040-4020(02)01096-7
https://doi.org/10.1016/s0040-4020(02)01096-7
Autor:
Alice M. Clark, David S. Pasco, Zhizhen Zhang, Larry A. Walker, Hala N. ElSohly, Melissa R. Jacob
Publikováno v:
Journal of Natural Products. 65:856-859
A phytochemical investigation of the CHCl(3) fraction of an ethanol extract of the root of Guatteria multivenia furnished nine compounds, of which four are sesquiterpenes (1-4) and five are alkaloids (5-9). Of the four sesquiterpenes, two are new (1,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ec669627153d995eb8ee375981ac0446
https://doi.org/10.1021/np0200717
https://doi.org/10.1021/np0200717
Autor:
Mohamed S. Ahmed, Farouk S. El-Feraly, Ahmed M. Galal, Mahmoud A. ElSohly, Andrew T. McPhail, Hala N. ElSohly, Samir A. Ross
Publikováno v:
Journal of Natural Products. 65:184-188
Photooxygenation of anhydrodeoxydihydroartemisinin (4) followed by chromatographic separation of the reaction mixture yielded the new compounds alpha- (5) and beta-hydroperoxydeoxyartemisitene (8) and the formate ester 7, together with two previously
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5f7eab012ffbeb8778baa68f83231957
https://doi.org/10.1021/np0104065
https://doi.org/10.1021/np0104065
Publikováno v:
The Journal of Antibiotics. 55:585-592
Three inhibitors of cell adhesion based on LFA-1/ICAM-1 were isolated from the cultured broth of the fungal strain Mycotypha sp. UMF-006. These compounds were identified by spectroscopy to be cytochalasin E (1), 5,6-dehydro-7-hydroxy derivative of cy
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::db57415e7eb4b0aef5ec784321ee5eca
https://doi.org/10.7164/antibiotics.55.585
https://doi.org/10.7164/antibiotics.55.585
Publikováno v:
Planta Medica. 67:737-742
This research describes the identification of three new high molecular weight polysaccharide preparations isolated from food-grade microalgae that are potent activators of human monocytes/macrophages: "Immulina" from Spirulina platensis, "Immunon" fr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2672ef5705ee5fdb46554aa074d51271
https://doi.org/10.1055/s-2001-18358
https://doi.org/10.1055/s-2001-18358