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- Publications
- Influence
Antioxidant and Immunomodulatory Constituents of Henna Leaves
- Botros R Mikhaeil, F. Badria, G. T. Maatooq, M. M. Amer
- Chemistry, Medicine
- Zeitschrift fur Naturforschung. C, Journal of…
- 1 August 2004
Abstract The immunomodulatory bioassay-guided fractionation of the methanolic extract of henna (Lawsonia inermis L.; syn. Lawsonia alba L.) leaves resulted in the isolation of seven compounds; three… Expand
Chemistry and Immunomodulatory Activity of Frankincense Oil
- Botros R Mikhaeil, G. T. Maatooq, F. Badria, M. M. Amer
- Chemistry, Medicine
- Zeitschrift fur Naturforschung. C, Journal of…
- 1 April 2003
The yield of steam distillation of frankincense essential oil (3%); and its physicochemical constants were determined. Capillary GC/MS technique was used for the analysis of the oil. Several oil… Expand
C-p-hydroxybenzoylglycoflavones from Citrullus colocynthis
- G. T. Maatooq, S. El-Sharkawy, M. S. Afifi, J. Rosazza
- Biology
- 1997
Abstract In a flavonoid investigation of the fruits and aerial parts of Citrullus colocynthis six flavone C -glycosides were identified. The fruits contained isovitexin, iso-orientin and iso-orientin… Expand
Bioactive microbial metabolites from glycyrrhetinic acid.
- G. T. Maatooq, A. Marzouk, A. Gray, J. Rosazza
- Chemistry, Medicine
- Phytochemistry
- 1 February 2010
Biotransformation of 18beta-glycyrrhetinic acid, using Absidia pseudocylinderospora ATCC 24169, Gliocladium viride ATCC 10097 and Cunninghamella echinulata ATCC 8688a afforded seven metabolites,… Expand
A novel antioxidant phenanthrenoid dimer from Juncus acutus L.
- F. A. A. Behery, Zain-Elabdin M Naeem, G. T. Maatooq, Mohamed Amer, A. F. Ahmed
- Chemistry, Medicine
- Natural product research
- 1 January 2013
A novel phenanthrenoid symmetrical dimer 8,8′-bidehydrojuncusol [1,1′,6,6′-tetramethyl-5,5′-divinyl-8,8′-biphenanthrene-2,2′,7,7′-tetraol], a related phenanthrenoid monomer, a phenolic chromone, and… Expand
Two oleananes from Ammannia auriculata Willd.
- A. Gohar, G. T. Maatooq, E. M. Mrawan, A. A. Zaki, Y. Takaya
- Chemistry, Medicine
- Natural product research
- 1 July 2012
Two new compounds: 3-β,15-α,23,28-tetrahydroxyolean-12-en-3-O-arabinopyaranoside and 3-β,23,28-trihydroxy-olean-12-en-3-O-β-D-glucopyranoside were isolated from the aerial parts of Ammania auriculata… Expand
Limonoids from Citrus reticulata
- A. Khalil, G. T. Maatooq, K. E. El Sayed
- Chemistry, Medicine
- Zeitschrift fur Naturforschung. C, Journal of…
- 1 April 2003
The seeds of Citrus reticulata afforded the new limonoid derivative, isolimonexic acid methyl ether, in addition to the the previously isolated limonin, deacetylnomilin, obacunone and ichangin. The… Expand
Fungistatic sesquiterpenoids from Parthenium
- G. T. Maatooq, J. Hoffmann
- Chemistry
- 1 September 1996
Abstract β-Eudesmol, γ-eudesmol and partheniol were isolated from the derubberized resin of Parthenium argentatum × P. tomentosa ; a new dinorsesquiterpenoid diketone (guayulon) was also isolated.… Expand
A New Triterpene Saponin from Chenopodium ficifolium
- Ahmed A. Gohar, G. T. Maatooq, M. Niwa, Takaya Yoshiaki
- Chemistry, Medicine
- Zeitschrift fur Naturforschung. C, Journal of…
- 1 August 2002
The new triterpene saponin 3-O-β-ᴅ-glucopyranoside, 28-β-ᴅ-glucopyranosyl-(1→2)-β-d-glucopyranosiduronic acid oleanolate was isolated from the roots of Chenopodium ficifolium. The known compounds… Expand
Phenanthrenoids from Juncus acutus L., new natural lipopolysaccharide-inducible nitric oxide synthase inhibitors.
- F. A. A. Behery, Z. E. Naeem, +4 authors A. F. Ahmed
- Chemistry, Medicine
- Chemical & pharmaceutical bulletin
- 1 August 2007
The novel natural product juncutol (1), 1,4,7-trimethyl-8,9-dihydro-4H-cyclopenta[def]phenanthrene-2,6-diol, along with the three related metabolites juncusol (2), dehydrojuncusol (3), and… Expand