In vitro antimicrobial activity of essential oils from oregano, garlic, clove and lemon against pathogenic bacteria isolated from Anomalocardia brasiliana
DOI:
https://doi.org/10.5433/1679-0359.2011v32n4p1557Keywords:
Essential oil, Anomalocardia brasiliana, Antibacterial activity.Abstract
Natural preservative substances are an efficient and economic alternative, because the aromatical plants and rich spices in essential oils characterized by a notable are gotten from antimicrobial activity, and for this reason, its derived products can be used to delay or to inhibit the growth of microorganisms. The objective of this study was to evaluate the antibacterial activity of essential oils of clove, limon, oregano (Origanum vulgare ssp. Hirtum) and garlic several species of bacteria like Staphylococcus aureus and Escherichia coli isolated of vongole (Anomalocardia Brasiliana) and bacteria standard ATCC (American Type Culture Collection): Escherichia coli, Staphylococcus aureus and Salmonella cholerasuis, through diffusion test and after it was determinate the Minimum Inhibitory Concentration (MIC). In this study it was observed that the garlic essential oil presented antibacterial activity front the S. aureus and the S. cholerasuis.; already the oils of clove and oregano (Origanum vulgare ssp. Hirtum) had presented activity front to all the analyzed bacteria, however the oregano oil presented the bigger bacterial inhibition, 26.7mm e 29,3mm for E. coli e S. aureus respectively. The essential oil of lemon did not demonstrate antibacterial activity. In such a way the oregano and clove essential oils that they had presented antibacterial activity appeared to be the most preferable agent for future research.
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