Effects of Myrcia ovata Cambess. essential oil on planktonic growth of gastrointestinal microorganisms and biofilm formation of Enterococcus faecalis

Abstract

The essential oil from the leaves of Myrcia ovata Cambess., commonly used in Brazil for the treatment of gastric illnesses, was screened for antimicrobial activity and action in the formation of microbial biofilms by Enterococcus faecalis. The oil was obtained by hydrodistillation using a clevenger-type system. Its

Chemical Composition and Antibacterial Activity of Essential Oils from Myrcia alagoensis (Myrtaceae)

“…The chemical analysis revealed a predominance of sesquiterpenes. The lack of monoterpenes and the high proportion of sesquiterpenes (79.6 to 75.6%) is also found in most Myrcia species studied [2,6]. Germacrene B was the most abundant component both in dried (23.1%) and fresh leaf oils (26.7%), followed by (2E,6E)-farnesoic acid, δ-cadinene, (E)caryophyllene, (E)-β-farnesene, germacrene D and selina-3,7(11)diene, with concentrations between 3.4 and 11.1%.…”

Constituents and Pharmacological Activities of Myrcia (Myrtaceae): A Review of an Aromatic and Medicinal Group of Plants

“…is used to treat dyspepsia [13]; M. ovata Cambess. is used on the treatment of gastric illness, gastritis and diarrhea [17]; and the inhabitants of the Amazon region use the macerated leaves of M. guianensis to neutralize snake venoms [18]. …”

“…Sesquiterpenes are the major compounds in most of these oils, although monoterpenes were identified in a higher amount than sesquiterpenes in the essential oil of M. acuminatissima and M. bombycina [20], one of the studied specimen of M. cuprea [25], M. myrtillifolia [30] and M. ovata [17,32,33]. The major compound of the essential oil of M. obtecta flowers of was methyl salicylate [31], and the most abundant compound of the essential oil of M. tomentosa stem bark was decanoic acid [39].…”

Invasion and Survival of Salmonella in the Environment: The Role of Biofilms

“…This oil showed antimicrobial activity against E. faecalis, E. coli, P. aeruginosa, S. choleraesuis, Staphylococcus aureus, Streptococcus pneumoniae and Candida parapsilosis. Further, at a concentration as low as 0.5 % it appreciably reduced the formation of biofilm by E. faecalis (Candido et al, 2010).…”

“…The efficacy of essential oils from the leaves of Myrcia ovata Cambess for antimicrobial activity and prevention of the formation of microbial biofilms by Enterococcus faecalis was examined (Candido et al, 2010). The essential oil from this plant is commonly used in Brazil for the treatment of gastric illnesses.…”