Journal article
Anti-staphylococcal activity of C-methyl flavanones from propolis of Australian stingless bees (Tetragonula carbonaria) and fruit resins of Corymbia torelliana (Myrtacea)
Fitoterapia, Vol.95, pp.247-257
2014
Abstract
Propolis of Australian stingless bees (Tetragonula carbonaria, Meliponini) originating from Corymbia torelliana (Myrtaceae) fruit resins was tested for its antimicrobial activities as well as its flavonoidcontents. 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 Cmethylated 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 flavananones inhibited the growth of S. aureus therefore contributing to the antibacterial effects observed for Australian stingless bee propolis extracts.
Details
- Title
- Anti-staphylococcal activity of C-methyl flavanones from propolis of Australian stingless bees (Tetragonula carbonaria) and fruit resins of Corymbia torelliana (Myrtacea)
- Authors
- Carmelina F Massaro (Author) - University of the Sunshine Coast - Faculty of Science, Health, Education and EngineeringMohammad Katouli (Author) - University of the Sunshine Coast - Faculty of Science, Health, Education and EngineeringTanja Grkovic (Author) - Griffith UniversityHoan Vu (Author) - Griffith UniversityRonald J Quinn (Author) - Griffith UniversityTim A Heard (Author) - CSIRO, Ecosystem SciencesChris Carvalho (Author) - Queensland University of TechnologyMerilyn Manley-Harris (Author) - University of Waikato, New ZealandHelen M Wallace (Author) - University of the Sunshine Coast - Faculty of Science, Health, Education and EngineeringPeter R Brooks (Author) - University of the Sunshine Coast - Faculty of Science, Health, Education and Engineering
- Publication details
- Fitoterapia, Vol.95, pp.247-257
- Publisher
- Elsevier BV
- Date published
- 2014
- DOI
- 10.1016/j.fitote.2014.03.024
- ISSN
- 1971-551X
- Copyright note
- Copyright © 2014. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/
- Organisation Unit
- School of Science and Engineering - Legacy; University of the Sunshine Coast, Queensland; School of Health and Sport Sciences - Legacy; School of Science, Technology and Engineering; Centre for Bioinnovation
- Language
- English
- Record Identifier
- 99448826102621
- Output Type
- Journal article
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