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A new cinnamoylglycoflavonoid, antimycobacterial and antioxidant constituents from Heritiera littoralis leaf extracts

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dc.creator Christopher, R.
dc.creator Nyandoro, Stephen S.
dc.creator Chacha, Musa
dc.creator de Koning, C. B.
dc.date 2016-06-26T17:08:52Z
dc.date 2016-06-26T17:08:52Z
dc.date 2014-01-21
dc.date.accessioned 2018-03-27T08:54:41Z
dc.date.available 2018-03-27T08:54:41Z
dc.identifier Christopher, R., Nyandoro, S., Chacha, M., & de Koning, C. (2014). A new cinnamoylglycoflavonoid, antimycobacterial and antioxidant constituents from Heritiera littoralis leaf extracts. Natural Product Research, 28(6), 351-358. http://dx.doi.org/10.1080/14786419.2013.863202
dc.identifier http://hdl.handle.net/20.500.11810/2673
dc.identifier 10.1080/14786419.2013.863202
dc.identifier.uri http://hdl.handle.net/20.500.11810/2673
dc.description Full text can be accessed at the following link http://www.tandfonline.com/doi/abs/10.1080/14786419.2013.863202
dc.description A new cinnamolyglycoflavonoid 3-cinnamoyltribuloside (1), its precursor tribuloside and two known flavonoid glycosides afzelin and astilbin were isolated from Heritiera littoralis Dryand (Sterculiaceae) ethanolic leaf extract. The dichloromethane leaf extract afforded two known pentacyclic triterpenoids, 3β-taraxerol and friedelin. Extracts and compounds isolated therefrom, with the exception of 3β-taraxerol, exhibited antimycobacterial activity against the non-pathogenic Mycobacterium species Mycobacterium madagascariense and Mycobacterium indicus pranii, with a minimum inhibitory concentration (MIC) 5.0 mg/mL for the crude extracts and MICs in the range of 1.6-0.8 mg/mL for the pure compounds. The extracts together with 3-cinnamoyltribuloside (1), tribuloside and astilbin exhibited 1,1-diphenyl-2-picrylhydrazyl radical scavenging activity. The compounds that showed dual activities could be further evaluated under clinical settings for co-administration with standard anti-tuberculosis drugs. Data on the essential oil composition of Fissistigma villosissimum, Fissistigma latifolium and Fissistigma glaucescens are reported for the first time.
dc.language en
dc.publisher Taylor & Francis
dc.title A new cinnamoylglycoflavonoid, antimycobacterial and antioxidant constituents from Heritiera littoralis leaf extracts
dc.type Journal Article, Peer Reviewed


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