Pentacyclic triterpenoids from Embelia schimperi.

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dc.contributor.authorMachocho, Alex K.
dc.contributor.authorKiprono, P.C.
dc.contributor.authorGrinberg, S.
dc.contributor.authorBittner, S.
dc.date.accessioned2013-10-11T08:33:09Z
dc.date.available2013-10-11T08:33:09Z
dc.date.issued2003
dc.description.abstractFive oleanane-type pentacyclic triterpenoids were isolated by chromatographic separation of a chloroform extract of the stem bark of Embelia schimperi. Three of these compounds have a methyleneoxy bridge. Two compounds, embelinone and schimperinone, are reported here for the first time from a natural source (they have been synthesized previously during chemical transformations). Their structures were determined by spectroscopic techniques, among which 2-D NMR was useful for complete characterization. Three of the triterpenoids exhibited mild antibacterial properties against the gram-positive bacterial strain Rhodococcus sp.en_US
dc.identifier.citationPhytochemistry 62 (4), 573-577.en_US
dc.identifier.urihttp://ir-library.ku.ac.ke/handle/123456789/7453
dc.language.isoenen_US
dc.publisherPhytochemistryen_US
dc.subjectEmbelia schimperi
dc.subjectMyrsinaceae
dc.subjectPentacyclic triterpenoids
dc.subjectEmbelinone
dc.subjectSchimperinone
dc.subjectAegicerin
dc.subjectProtoprimulagenin A
dc.subjectPrimulagenin A
dc.subjectAntibacterial activity
dc.titlePentacyclic triterpenoids from Embelia schimperi.en_US
dc.typeArticleen_US
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