Cerumen of Australian stingless bees (Tetragonula carbonaria): gas chromatography-mass spectrometry fingerprints and potential anti-inflammatory properties

@article{Massaro2011CerumenOA,
  title={Cerumen of Australian stingless bees (Tetragonula carbonaria): gas chromatography-mass spectrometry fingerprints and potential anti-inflammatory properties},
  author={F. Massaro and P. Brooks and H. Wallace and F. Russell},
  journal={Naturwissenschaften},
  year={2011},
  volume={98},
  pages={329-337}
}
Cerumen, or propolis, is a mixture of plant resins enriched with bee secretions. In Australia, stingless bees are important pollinators that use cerumen for nest construction and possibly for colony’s health. While extensive research attests to the therapeutic properties of honeybee (Apis mellifera) propolis, the biological and medicinal properties of Australian stingless bee cerumen are largely unknown. In this study, the chemical and biological properties of polar extracts of cerumen from… Expand
Phloroglucinols from Anti‐Microbial Deposit‐Resins of Australian Stingless Bees (Tetragonula carbonaria)
TLDR
The diagnostic data enabled the identification of markers that can be used for profiling other Australian propolis sources and to target the isolation of bioactive phloroglucinols in future studies against antibiotic resistant S. aureus strains. Expand
Chemical composition and antimicrobial activity of honeybee (Apis mellifera ligustica) propolis from subtropical eastern Australia
TLDR
The antistaphylococcal potential of propolis was discussed, also in relation to honeybees’ health, as it warrants further investigations on the social and individual immunities of Australian honeybees. Expand
Metabolomics analysis of pot-pollen from three species of Australian stingless bees (Meliponini)
TLDR
Pot-pollen from Australian stingless bees (Meliponini) was analysed for volatile organic compounds (VOCs) and secondary metabolites from ethanolic extracts, including traces of secondary metabolites typical of stingless bee propolis. Expand
Propolis of stingless bees: A phytochemist's guide through the jungle of tropical biodiversity.
TLDR
This review summarises and discusses the available data about the chemical composition of propolis from the stingless bee species (Meliponinae) of the Americas, Asia and Australia, published after 2007 and results in the discovery of new natural molecules, some of them with valuable bioactivity. Expand
Anti-staphylococcal activity of C-methyl flavanones from propolis of Australian stingless bees (Tetragonula carbonaria) and fruit resins of Corymbia torelliana (Myrtaceae).
TLDR
Ethanolic preparations of propolis were shown to be active against Staphylococcus aureus and to a lesser extent against Pseudomonas aeruginosa and C. torelliana flavanones inhibited the growth of S. aureu therefore contributing to the antibacterial effects observed for Australian stingless bee propolis extracts. Expand
Natural products isolated from Tetragonula carbonaria cerumen modulate free radical-scavenging and 5-lipoxygenase activities in vitro
TLDR
The findings identify free radical scavenging activity, and interference by extracts of T. carbonaria cerumen in 5-LOX–LTB4 signaling, and are needed to determine whether the extracts will provide therapeutic benefits for medical conditions in which oxidative stress and inflammation are implicated. Expand
Chemical Properties of Propolis Collected by Stingless Bees
The aim of this study is to determine the chemical composition of propolis collected by stingless bees. For this purpose eight ethanol extracts of propolis collected by Melipona favosa fromExpand
Rapid Determination of Major Compounds in the Ethanol Extract of Geopropolis from Malaysian Stingless Bees, Heterotrigona itama, by UHPLC-Q-TOF/MS and NMR
A reliable, rapid analytical method was established for the characterization of constituents of the ethanol extract of geopropolis (EEGP) produced by Malaysian stingless bees—Heterotrigona itama—byExpand
Phytochemicals, mineral contents, antioxidants, and antimicrobial activities of propolis produced by Brunei stingless bees Geniotrigona thoracica, Heterotrigona itama, and Tetrigona binghami
TLDR
The vibrational and absorption spectra suggested that propolis contains π-conjugated aliphatic and aromatic compounds as well as aromatic acids having amine, ester, carbonyl, alkyl, and hydroxyl functional groups which might be attributed to the presence of phenolic and flavonoid compounds. Expand
Effect of Australian Propolis from Stingless Bees (Tetragonula carbonaria) on Pre-Contracted Human and Porcine Isolated Arteries
TLDR
It is concluded that Australian stingless bee (T. carbonaria) propolis relaxes porcine coronary artery in an endothelial-independent manner that involves inhibition of voltage-gated Ca2+ channels, and this effect is partially and slowly reversible upon washout. Expand
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