All Stories

  1. Plectranol A, a New Sesquiterpene from Plectranthus cylindraceus Growing in Saudi Arabia

    Article • Letters in Organic Chemistry, June 2017, Bentham Science Publishers

    Professor Gamal A. Mohamed, Professor Sabrin R. M. Ibrahim

  2. Fusaripeptide A: new antifungal and anti-malarial cyclodepsipeptide from the endophytic fungus Fusarium sp.

    Article • Journal of Asian Natural Products Research, April 2017, Taylor & Francis

    Professor Gamal A. Mohamed, Professor Sabrin R. M. Ibrahim, Gamal Hussein, mohamed zayed, Hossam Mohamed

  3. Antioxidant α-amylase inhibitors flavonoids from Iris germanica rhizomes

    Article • Revista Brasileira de Farmacognosia, March 2017, Elsevier

    Professor Sabrin R. M. Ibrahim, Professor Gamal A. Mohamed

  4. 8-Hydroxyirilone 5-methyl ether and 8-hydroxyirilone, new antioxidant and α-amylase inhibitors isoflavonoids from Iris germanica rhizomes

    Article • Bioorganic Chemistry, February 2017, Elsevier

    Professor Sabrin R. M. Ibrahim, Professor Gamal A. Mohamed

  5. New xanthones and cytotoxic constituents from Garcinia mangostana fruit hulls against human hepatocellular, breast, and colorectal cancer cell lines

    Article • Journal of Ethnopharmacology, February 2017, Elsevier

    Professor Gamal A. Mohamed, Professor Sabrin R. M. Ibrahim

  6. Pyridoacridine alkaloids from deep-water marine organisms: Structural elucidation

    Article • Bulletin of Faculty of Pharmacy Cairo University , December 2016, Elsevier

    Professor Sabrin R. M. Ibrahim, Professor Gamal A. Mohamed

  7. Ingenines C and D, new cytotoxic pyrimidine- β -carboline alkaloids from the Indonesian sponge Acanthostrongylophora ingens

    Article • Phytochemistry Letters, December 2016, Elsevier

    Professor Sabrin R. M. Ibrahim, Professor Gamal A. Mohamed

  8. Aegyoxepane: A New Oxepane Derivative from the Fungus Aspergillus aegyptiacus

    Article • Letters in Organic Chemistry, November 2016, Bentham Science Publishers

    Professor Sabrin R. M. Ibrahim, Professor Gamal A. Mohamed

  9. Curviflorside and curviflorin, new naphthalene glycoside and flavanol from Plicosepalus curviflorus

    Article • Zeitschrift für Naturforschung C, November 2016, De Gruyter

    Professor Sabrin R. M. Ibrahim, Professor Gamal A. Mohamed

  10. Cucumol A: a cytotoxic triterpenoid from Cucumis melo seeds

    Article • Revista Brasileira de Farmacognosia, November 2016, Elsevier

    Professor Gamal A. Mohamed, Professor Sabrin R. M. Ibrahim

  11. Mangostanaxanthones III and IV: advanced glycation end-product inhibitors from the pericarp of Garcinia mangostana

    Article • Journal of Natural Medicines, October 2016, Springer Science + Business Media

    Professor Gamal A. Mohamed

  12. Fusarithioamide A, a new antimicrobial and cytotoxic benzamide derivative from the endophytic fungus Fusarium chlamydosporium

    Article • Biochemical and Biophysical Research Communications, October 2016, Elsevier

    Professor Sabrin R. M. Ibrahim, Professor Gamal A. Mohamed

  13. Aspernolides L and M, new butyrolactones from the endophytic fungus Aspergillus versicolor

    Article • Zeitschrift für Naturforschung C, September 2016, De Gruyter

    Professor Sabrin R. M. Ibrahim, Professor Gamal A. Mohamed

  14. Phenolics from Garcinia mangostana alleviate exaggerated vasoconstriction in metabolic syndrome through direct vasodilatation and nitric oxide generation

    Article • BMC Complementary and Alternative Medicine, September 2016, Springer Science + Business Media

    Professor Gamal A. Mohamed

  15. Ingenine E, a new cytotoxic β-carboline alkaloid from the Indonesian sponge Acanthostrongylophora ingens

    Article • Journal of Asian Natural Products Research, September 2016, Taylor & Francis

    Professor Sabrin R. M. Ibrahim, Professor Gamal A. Mohamed

  16. In silico Modeling Studies of 5-HT2B Antagonistic Activity of 2-(2- phenylethyl)chromone Derivatives from Cucumis melo Seeds

    Article • Letters in Drug Design & Discovery, August 2016, Bentham Science Publishers

    Professor Sabrin R. M. Ibrahim, Professor Gamal A. Mohamed

  17. Volatile oil profile of some lamiaceous plants growing in Saudi Arabia and their biological activities

    Article • Zeitschrift für Naturforschung C, July 2016, De Gruyter

    Professor Gamal A. Mohamed, Professor Sabrin R. M. Ibrahim

  18. Integracides H-J: New tetracyclic triterpenoids from the endophytic fungus Fusarium sp.

    Article • Fitoterapia, July 2016, Elsevier

    Professor Gamal A. Mohamed, Professor Sabrin R. M. Ibrahim

  19. Thiotagetin A, a new cytotoxic thiophene fromTagetes minuta

    Article • Natural Product Research, June 2016, Taylor & Francis

    Professor Gamal A. Mohamed, Professor Sabrin R. M. Ibrahim

  20. New ursane triterpenoids from Ficus pandurata and their binding affinity for human cannabinoid and opioid receptors

    Article • Archives of Pharmacal Research, June 2016, Springer Science + Business Media

    Professor Gamal A. Mohamed, Professor Sabrin R. M. Ibrahim

  21. Tagenols A and B: New lipoxygenase inhibitor flavonols from Tagetes minuta

    Article • Phytochemistry Letters, June 2016, Elsevier

    Professor Gamal A. Mohamed

  22. Periplocain A, a New Naphthalene Derivative fromPeriploca aphyllaGrowing in Saudi Arabia

    Article • Helvetica Chimica Acta, June 2016, Wiley

    Professor Gamal A. Mohamed, Professor Sabrin R. M. Ibrahim

  23. New Cerebroside and Nucleoside Derivatives from a Red Sea Strain of the Marine Cyanobacterium Moorea producens

    Article • Molecules, March 2016, MDPI AG

    Professor Gamal A. Mohamed, Professor Sabrin R. M. Ibrahim

  24. Callyptide A, a new cytotoxic peptide from the Red Sea marine spongeCallyspongiaspecies

    Article • Natural Product Research, March 2016, Taylor & Francis

    Professor Gamal A. Mohamed, Professor Sabrin R. M. Ibrahim

  25. Harpulliasides A and B: Two new benzeneacetic acid derivatives from Harpullia pendula

    Article • Phytochemistry Letters, March 2016, Elsevier

    Professor Gamal A. Mohamed

  26. Integracides F and G: New tetracyclic triterpenoids from the endophytic fungus Fusarium sp.

    Article • Phytochemistry Letters, March 2016, Elsevier

    Professor Gamal A. Mohamed, Professor Sabrin R. M. Ibrahim

  27. Phenolics from Garcinia mangostana Inhibit Advanced Glycation Endproducts Formation: Effect on Amadori Products, Cross-Linked Structures and Protein Thiols

    Article • Molecules, February 2016, MDPI AG

    Professor Gamal A. Mohamed

  28. ChemInform Abstract: Marine Pyridoacridine Alkaloids: Biosynthesis and Biological Activities

    Article • ChemInform, February 2016, Wiley

    Professor Gamal A. Mohamed, Professor Sabrin R. M. Ibrahim

  29. Marine Pyridoacridine Alkaloids: Biosynthesis and Biological Activities

    Article • Chemistry & Biodiversity, January 2016, Wiley

    Professor Gamal A. Mohamed, Professor Sabrin R. M. Ibrahim

  30. Anti-inflammatory sesquiterpenes from Costus speciosus rhizomes

    Article • Journal of Ethnopharmacology, December 2015, Elsevier

    Professor Gamal A. Mohamed, Professor Sabrin R. M. Ibrahim

  31. Aspernolides F and G, new butyrolactones from the endophytic fungus Aspergillus terreus

    Article • Phytochemistry Letters, December 2015, Elsevier

    Professor Gamal A. Mohamed, Professor Sabrin R. M. Ibrahim

  32. Litchi chinensis: medicinal uses, phytochemistry, and pharmacology

    Article • Journal of Ethnopharmacology, November 2015, Elsevier

    Professor Gamal A. Mohamed, Professor Sabrin R. M. Ibrahim

  33. Naphthylisoquinoline alkaloids potential drug leads

    Article • Fitoterapia, October 2015, Elsevier

    Professor Sabrin R. M. Ibrahim, Professor Gamal A. Mohamed

  34. Staphylopeptide A, a new cyclic tetrapeptide from culture broth of Staphylococcus sp.

    Article • Phytochemistry Letters, September 2015, Elsevier

    Professor Sabrin R. M. Ibrahim, Professor Gamal A. Mohamed

  35. New purine alkaloids from the Red Sea marine tunicate Symplegma rubra

    Article • Phytochemistry Letters, September 2015, Elsevier

    Professor Gamal A. Mohamed, Professor Sabrin R. M. Ibrahim

  36. Cucumin S, a new phenylethyl chromone from Cucumis melo var. reticulatus seeds

    Article • Revista Brasileira de Farmacognosia, September 2015, Elsevier

    Professor Gamal A. Mohamed, Professor Sabrin R. M. Ibrahim

  37. Terrenolide S, a new antileishmanial butenolide from the endophytic fungusAspergillus terreus

    Article • Natural Product Research, August 2015, Taylor & Francis

    Professor Gamal A. Mohamed, Professor Sabrin R. M. Ibrahim

  38. Minutaside A, newα-amylase inhibitor flavonol glucoside fromTagetes minuta: Antidiabetic, antioxidant, and molecular modeling studies

    Article • Starch - Stärke, June 2015, Wiley

    Professor Sabrin R. M. Ibrahim, Professor Gamal A. Mohamed

  39. Aegyptolidines A and B: New pyrrolidine alkaloids from the fungus Aspergillus aegyptiacus

    Article • Phytochemistry Letters, June 2015, Elsevier

    Professor Sabrin R. M. Ibrahim, Professor Gamal A. Mohamed

  40. Naturally occurring didemnaketals: Structural elucidation, features, and pharmacological activities

    Article • Bulletin of Faculty of Pharmacy Cairo University , June 2015, Elsevier

    Professor Sabrin R. M. Ibrahim, Professor Gamal A. Mohamed

  41. Iridoids and other constituents from Cyperus rotundus L. rhizomes

    Article • Bulletin of Faculty of Pharmacy Cairo University , June 2015, Elsevier

    Professor Gamal A. Mohamed

  42. Ehrenasterol and biemnic acid; new bioactive compounds from the Red Sea sponge Biemna ehrenbergi

    Article • Phytochemistry Letters, June 2015, Elsevier

    Professor Gamal A. Mohamed

  43. Naturally occurring naphthalenes: chemistry, biosynthesis, structural elucidation, and biological activities

    Article • Phytochemistry Reviews, May 2015, Springer Science + Business Media

    Professor Sabrin R. M. Ibrahim, Professor Gamal A. Mohamed

  44. Calotroposides H–N, new cytotoxic oxypregnane oligoglycosides from the root bark of Calotropis procera

    Article • Steroids, April 2015, Elsevier

    Professor Sabrin R. M. Ibrahim, Professor Gamal A. Mohamed

  45. Naturally occurring thiophenes: isolation, purification, structural elucidation, and evaluation of bioactivities

    Article • Phytochemistry Reviews, March 2015, Springer Science + Business Media

    Professor Sabrin R. M. Ibrahim, Professor Gamal A. Mohamed

  46. Blepharisides A and B, new flavonol glycosides from Blepharis ciliaris growing in Saudi Arabia

    Article • Phytochemistry Letters, March 2015, Elsevier

    Professor Sabrin R. M. Ibrahim, Professor Gamal A. Mohamed

  47. Natural occurring 2-(2-phenylethyl) chromones, structure elucidation and biological activities

    Article • Natural Product Research, December 2014, Taylor & Francis

    Professor Sabrin R. M. Ibrahim, Professor Gamal A. Mohamed

  48. Natural anti-obesity agents

    Article • Bulletin of Faculty of Pharmacy Cairo University , December 2014, Faculty of Pharmacy Cairo University

    Professor Sabrin R. M. Ibrahim, Professor Gamal A. Mohamed

  49. Chemical constituents and biological investigations of the aerial parts of Egyptian Clerodendrum inerme

    Article • Bulletin of Faculty of Pharmacy Cairo University , December 2014, Faculty of Pharmacy Cairo University

    Professor Sabrin R. M. Ibrahim, Professor Gamal A. Mohamed

  50. Hypoestenonols A and B, new fusicoccane diterpenes from Hypoestes forskalei

    Article • Phytochemistry Letters, December 2014, Elsevier

    Professor Sabrin R. M. Ibrahim, Professor Gamal A. Mohamed

  51. 2,3-Seco-2,3-dioxo-lyngbyatoxin A from a Red Sea strain of the marine cyanobacterium Moorea producens

    Article • Natural Product Research, November 2014, Taylor & Francis

    Professor Sabrin R. M. Ibrahim, Professor Gamal A. Mohamed

  52. Mangostanaxanthones I and II, new xanthones from the pericarp of Garcinia mangostana

    Article • Fitoterapia, October 2014, Elsevier

    Professor Sabrin R. M. Ibrahim, Professor Gamal A. Mohamed

  53. Didemnaketals F and G, New Bioactive Spiroketals from a Red Sea Ascidian Didemnum Species

    Article • Marine Drugs, September 2014, MDPI AG

    Professor Sabrin R. M. Ibrahim, Professor Gamal A. Mohamed

  54. ChemInform Abstract: Dendronephthols A—C, New Sesquiterpenoids from the Red Sea Soft Coral Dendronephthya sp.

    Article • ChemInform, September 2014, Wiley

    Professor Sabrin R. M. Ibrahim, Professor Gamal A. Mohamed

  55. New compounds from the Red Sea marine sponge Echinoclathria gibbosa

    Article • Phytochemistry Letters, September 2014, Elsevier

    Professor Gamal A. Mohamed

  56. Alnuheptanoid A: a new diarylheptanoid derivative from Alnus japonica

    Article • Natural Product Research, August 2014, Taylor & Francis

    Professor Sabrin R. M. Ibrahim, Gamal Hussein, Professor Gamal A. Mohamed

  57. Ingenines A and B, Two New Alkaloids from the Indonesian Sponge Acanthostrongylophora ingens

    Article • Drug Research, July 2014, Thieme Publishing Group

    Professor Sabrin R. M. Ibrahim, Professor Gamal A. Mohamed

  58. Urgineaglyceride A: a new monoacylglycerol from the Egyptian Drimia maritima bulbs

    Article • Natural Product Research, June 2014, Taylor & Francis

    Professor Sabrin R. M. Ibrahim, Professor Gamal A. Mohamed

  59. Didemnacerides A and B: two new glycerides from Red Sea ascidian Didemnum species

    Article • Natural Product Research, June 2014, Taylor & Francis

    Professor Sabrin R. M. Ibrahim, Professor Gamal A. Mohamed, Gamal Hussein

  60. Dendronephthols A–C, new sesquiterpenoids from the Red Sea soft coral Dendronephthya sp.

    Article • Tetrahedron, June 2014, Elsevier

    Professor Sabrin R. M. Ibrahim, Professor Gamal A. Mohamed

  61. Zeaoxazolinone, a new antifungal agent from Zea mays roots

    Article • Medicinal Chemistry Research, May 2014, Springer Science + Business Media

    Professor Sabrin R. M. Ibrahim, Professor Gamal A. Mohamed

  62. New fatty acids from the Red Sea sponge Mycale euplectellioides

    Article • Natural Product Research, April 2014, Taylor & Francis

    Professor Gamal A. Mohamed

  63. New cytotoxic cycloartane triterpene from Cassia italica aerial parts

    Article • Natural Product Research, April 2014, Taylor & Francis

    Professor Gamal A. Mohamed

  64. Theonellamide G, a Potent Antifungal and Cytotoxic Bicyclic Glycopeptide from the Red Sea Marine Sponge Theonella swinhoei

    Article • Marine Drugs, April 2014, MDPI AG

    Professor Sabrin R. M. Ibrahim, Professor Gamal A. Mohamed, Dr Jihan M. Badr

  65. Non-Alkaloidal Compounds from the Bulbs of the Egyptian Plant Pancratium maritimum

    Article • Zeitschrift für Naturforschung C, April 2014, De Gruyter

    Professor Sabrin R. M. Ibrahim, Professor Gamal A. Mohamed

  66. New Thiophene and Flavonoid from Tagetes minuta Leaves Growing in Saudi Arabia

    Article • Molecules, March 2014, MDPI AG

    Professor Sabrin R. M. Ibrahim, Professor Gamal A. Mohamed

  67. Erratum to: New anti-inflammatory flavonoids from Cadaba glandulosa Forssk

    Article • Archives of Pharmacal Research, January 2014, Springer Science + Business Media

    Professor Sabrin R. M. Ibrahim, Professor Gamal A. Mohamed

  68. Didemnaketals D and E, bioactive terpenoids from a Red Sea ascidian Didemnum species

    Article • Tetrahedron, January 2014, Elsevier

    Professor Sabrin R. M. Ibrahim, Professor Gamal A. Mohamed

  69. Sagitol C, a new cytotoxic pyridoacridine alkaloid from the sponge Oceanapia sp.

    Article • Bulletin of Faculty of Pharmacy Cairo University , December 2013, Faculty of Pharmacy Cairo University

    Professor Sabrin R. M. Ibrahim, Professor Gamal A. Mohamed

  70. New anti-inflammatory flavonoids from Cadaba glandulosa Forssk

    Article • Archives of Pharmacal Research, November 2013, Springer Science + Business Media

    Professor Sabrin R. M. Ibrahim, Professor Gamal A. Mohamed

  71. New Alkaloids from Pancratium maritimum

    Article • Planta Medica, August 2013, Thieme Publishing Group

    Khalid El Sayed, Professor Sabrin R. M. Ibrahim, Professor Gamal A. Mohamed

  72. New ceramides and isoflavone from the Egyptian Iris germanica L. rhizomes

    Article • Phytochemistry Letters, August 2013, Elsevier

    Professor Sabrin R. M. Ibrahim, Professor Gamal A. Mohamed

  73. Lupeol-3-O-decanoate, a new triterpene ester from Cadaba farinosa Forssk. growing in Saudi Arabia

    Article • Medicinal Chemistry Research, February 2013, Springer Science + Business Media

    Professor Sabrin R. M. Ibrahim, Professor Gamal A. Mohamed

  74. New ursane-type triterpenes from the root bark of Calotropis procera

    Article • Phytochemistry Letters, September 2012, Elsevier

    Professor Sabrin R. M. Ibrahim, Professor Gamal A. Mohamed

  75. Plant Endophytes, Renewable Source of New Natural Products

    Article • The Natural Products Journal, July 2012, Bentham Science Publishers

    Professor Sabrin R. M. Ibrahim, Professor Gamal A. Mohamed

  76. New Constituents from the Rhizomes of Egyptian Iris germanica L.

    Article • Molecules, March 2012, MDPI AG

    Professor Sabrin R. M. Ibrahim, Professor Gamal A. Mohamed

  77. A new xanthone from the roots of Centaurium spicatum

    Article • Phytochemistry Letters, June 2011, Elsevier

    Professor Sabrin R. M. Ibrahim, Professor Gamal A. Mohamed

  78. Iotrochotamides I and II: New ceramides from the Indonesian spongeIotrochota purpurea

    Article • Natural Product Research, January 2009, Taylor & Francis

    Professor Sabrin R. M. Ibrahim, Professor Gamal A. Mohamed

  79. Protective Effect of Quercetin against Gentamicin-Induced Nephrotoxicity in Rats

    Article • Biological and Pharmaceutical Bulletin, January 2009, Pharmaceutical Society of Japan

    Professor Gamal A. Mohamed

  80. Fructose-amino acid conjugate and other constituents fromCyperus rotundusL.

    Article • Natural Product Research, November 2008, Taylor & Francis

    Professor Gamal A. Mohamed

  81. Callyaerin G, a new cytotoxic cyclic peptide from the marine sponge Callyspongia aerizusa

    Article • ARKIVOC, April 2008, ARKAT USA, Inc.

    Professor Sabrin R. M. Ibrahim, Professor Gamal A. Mohamed

  82. Alliuocide G, a new flavonoid with potent α-amylase inhibitory activity from Allium cepa L.

    Article • ARKIVOC, April 2008, University of Michigan Library

    Professor Gamal A. Mohamed

  83. Eucalyptone G, a new phloroglucinol derivative and other constituents from Eucalyptus globulus Labill

    Article • ARKIVOC, October 2007, University of Michigan Library

    Professor Gamal A. Mohamed, Professor Sabrin R. M. Ibrahim

  84. A new steroid glycoside and furochromones from Cyperus rotundus L.

    Article • Natural Product Research, April 2007, Taylor & Francis

    Professor Gamal A. Mohamed