title: Bioactive saponins from Acacia tenuifolia from the suriname rainforest.
abstract: Bioassay-guided fractionation of the MeOH extract of Acacia tenuifolia using the engineered yeast strains 1138, 1140, 1353, and Sc7 as the bioassay tool resulted in the isolation of the three new saponins 3, 5, and 6 and the three known saponins 1, 2, and 4. The structures of the new compounds were established on the basis of HRMS, 1D and 2D NMR spectral data on the intact saponins, and GC-MS analyses of the sugars. Compounds 1,2 and 5,6 showed cytotoxicity against mammalian cell lines.
authors.affiliation: Department of Chemistry, M/C 0212, Virginia Polytechnic Institute and State University, Blacksburg, Virginia 24061, USA.
authors.forename: Youngwan
authors.initials: Y
authors.lastname: Seo
authors.forename: Jeannine
authors.initials: J
authors.lastname: Hoch
authors.forename: Maged
authors.initials: M
authors.lastname: Abdel-Kader
authors.forename: S
authors.initials: S
authors.lastname: Malone
authors.forename: I
authors.initials: I
authors.lastname: Derveld
authors.forename: Hermus
authors.initials: H
authors.lastname: Adams
authors.forename: M C M
authors.initials: MC
authors.lastname: Werkhoven
authors.forename: Jan H
authors.initials: JH
authors.lastname: Wisse
authors.forename: Stephen W
authors.initials: SW
authors.lastname: Mamber
authors.forename: James M
authors.initials: JM
authors.lastname: Dalton
authors.forename: David G I
authors.initials: DG
authors.lastname: Kingston
mesh_terms: D000045:Acacia / Q000737:chemistry*; D000818:Animals; D000935:Antifungal Agents / Q000737:chemistry / Q000302:isolation & purification / Q000494:pharmacology; D000972:Antineoplastic Agents, Phytogenic / Q000737:chemistry / Q000302:isolation & purification* / Q000494:pharmacology; D004354:Drug Screening Assays, Antitumor; D005260:Female; D008401:Gas Chromatography-Mass Spectrometry; D006801:Humans; D020128:Inhibitory Concentration 50; D008175:Lung Neoplasms; D051379:Mice; D015394:Molecular Structure; D019906:Nuclear Magnetic Resonance, Biomolecular; D009828:Oleanolic Acid / Q000031:analogs & derivatives*; D010051:Ovarian Neoplasms; D010946:Plants, Medicinal / Q000737:chemistry*; D012503:Saponins / Q000737:chemistry / Q000302:isolation & purification* / Q000494:pharmacology; D013237:Stereoisomerism; D013532:Suriname; D014315:Triterpenes / Q000737:chemistry / Q000302:isolation & purification* / Q000494:pharmacology; D014407:Tumor Cells, Cultured / Q000187:drug effects; D015003:Yeasts / Q000187:drug effects
chemical_list: D000935:Antifungal Agents; D000972:Antineoplastic Agents, Phytogenic; D012503:Saponins; D014315:Triterpenes; D009828:Oleanolic Acid; C022999:echinocystic acid