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dc.contributor.authorMassaro, CF
dc.contributor.authorKatouli, M
dc.contributor.authorGrkovic, T
dc.contributor.authorVu, H
dc.contributor.authorQuinn, RJ
dc.contributor.authorHeard, TA
dc.contributor.authorCarvalho, C
dc.contributor.authorManley-Harris, M
dc.contributor.authorWallace, HM
dc.contributor.authorBrooks, P
dc.date.accessioned2017-05-03T11:15:22Z
dc.date.available2017-05-03T11:15:22Z
dc.date.issued2014
dc.identifier.issn0367-326X
dc.identifier.doi10.1016/j.fitote.2014.03.024
dc.identifier.urihttp://hdl.handle.net/10072/67088
dc.description.abstractPropolis of Australian stingless bees (Tetragonula carbonaria, Meliponini) originating from Corymbia torelliana (Myrtaceae) fruit resins was tested for its antimicrobial activities as well as its flavonoid contents. This study aimed at the isolation, structural elucidation and antibacterial testing of flavanones of C. torelliana fruit resins that are incorporated into stingless bee propolis. Flavanones of this study were elucidated by spectroscopic and spectrometric methods including UV, 1D and 2D NMR, EI-MS, ESI-MS and HR-MS. The results indicated known C-methylated flavanones namely, 1 (2S)-cryptostrobin, its regioisomer 2 (2S)- stroboponin, 3 (2S)- cryptostrobin 7-methyl ether, and 6 (2S)- desmethoxymatteucinol, and known flavanones 4 (2S)- pinostrobin and 5 (2S)- pinocembrin as markers for C. torelliana fruit resins and one propolis type. Ethanolic preparations of propolis were shown to be active against Staphylococcus aureus (ATCC 25923) and to a lesser extent against Pseudomonas aeruginosa (ATCC 27853). C. torelliana flavanones inhibited the growth of S. aureus therefore contributing to the antibacterial effects observed for Australian stingless bee propolis extracts.
dc.description.peerreviewedYes
dc.description.publicationstatusYes
dc.languageEnglish
dc.language.isoeng
dc.publisherElsevier
dc.publisher.placeNetherlands
dc.relation.ispartofstudentpublicationN
dc.relation.ispartofpagefrom247
dc.relation.ispartofpageto257
dc.relation.ispartofjournalFitoterapia
dc.relation.ispartofvolume95
dc.rights.retentionY
dc.subject.fieldofresearchMedicinal and biomolecular chemistry not elsewhere classified
dc.subject.fieldofresearchPlant biology
dc.subject.fieldofresearchTraditional, complementary and integrative medicine
dc.subject.fieldofresearchOrganic chemistry
dc.subject.fieldofresearchcode340499
dc.subject.fieldofresearchcode3108
dc.subject.fieldofresearchcode4208
dc.subject.fieldofresearchcode3405
dc.titleAnti-staphylococcal activity of C-methyl flavanones from propolis of Australian stingless bees (Tetragonula carbonaria) and fruit resins of Corymbia torelliana (Myrtaceae)
dc.typeJournal article
dc.type.descriptionC1 - Articles
dc.type.codeC - Journal Articles
gro.hasfulltextNo Full Text
gro.griffith.authorQuinn, Ronald J.


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