Data/hora: 06/06/2024 05:27:43

Provedor de dados: 	80	
País: 	Brazil	
Título: 	Chemical composition and antibacterial activity of Brazilian propolis essential oil	
Autores: 	Oliveira,AP; França,HS; Kuster,RM; Teixeira,LA; Rocha,LM.	
Data: 	2010-01-01	
Ano: 	2010	
Palavras-chave: 	Apis mellifera; Propolis essential oil; Terpenoids; Antibacterial activity.	
Resumo: 	The present study aimed at investigating the chemical composition of essential oil extracted from Brazilian propolis and the susceptibility of Staphylococcus aureus, Staphylococcus epidermides, Streptococcus pyogenes and Escherichia coli to this substance. The essential oil was obtained by steam distillation of propolis and examined by gas chromatography/mass spectrometry (GC/MS). In addition, the agar diffusion method using filter paper disks was employed. Antibacterial activity was measured as equivalent diameters of inhibition zones (in millimeters) after incubation at 37º C for 24 hours. From the 26 identified constituents, β-caryophyllene (12.7%), acetophenone (12.3%) and β-farnesene (9.2%) were found to be major components. New components, namely linalool, methyl hydrocinnamate, ethyl hydrocinnamate, α-ylangene, γ-elemene and valencene, are reported for the first time to be present in propolis essential oil. This oil also exhibited antibacterial activity.	
Tipo: 	Info:eu-repo/semantics/article	
Idioma: 	Inglês	
Identificador: 	http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1678-91992010000100012	
Editor: 	Centro de Estudos de Venenos e Animais Peçonhentos	
Relação: 	10.1590/S1678-91992010005000007	
Formato: 	text/html	
Fonte: 	Journal of Venomous Animals and Toxins including Tropical Diseases  v.16 n.1 2010	
Fonte: 	info:eu-repo/semantics/openAccess