Antibacterial and modifying-antibiotic activities of the essential oils of Ocimum gratissimum L. and Plectranthus amboinicus L.

被引：37

作者：

Aguiar, Jose J. S. ^{[1
]}

Sousa, Cicera P. B. ^{[1
]}

Araruna, Mariana K. A. ^{[1
]}

Silva, Maria K. N. ^{[1
]}

Portelo, Aline C. ^{[1
]}

Lopes, Jeferson C. ^{[1
]}

Carvalho, Victoria R. A. ^{[1
]}

Figueredo, Fernando G. ^{[1
]}

Bitu, Vanessa C. N. ^{[1
]}

Coutinho, Henrique D. M. ^{[1
]}

Sobreira Miranda, Thiago Adolfo ^{[1
]}

Matias, Edinardo F. F. ^{[1
]}

机构：

[1] Fac Leao Sampaio Unidade Saude, Juazeiro Do Norte, Ceara, Brazil

来源：

EUROPEAN JOURNAL OF INTEGRATIVE MEDICINE | 2015年 / 7卷 / 02期

关键词：

Ocimum gratissimum; Plectranthus amboinicus; Antibiotic-modifying activity; Antibacterial; Essential oils; ANTIMICROBIAL ACTIVITY; PLANTS;

D O I：

10.1016/j.eujim.2014.10.005

中图分类号：

R [医药、卫生];

学科分类号：

10 ;

摘要：

Introdution: Developing resistance to antimicrobial agents is increasingly observed for many microorganisms is increasingly becoming a problem worldwide. The aim of the present work was to evaluate the antibacterial and antibiotic-modifying activity of essential oils of Ocimum gratissimum and Plectranthus amboinicus (Lamiaceae), alone and combined. Methods: Standard and multiresistant bacterial strains of Staphylococcus aureus, Escherichia coli and Pseudomonas aeruginosa were utilized, and antibiotics of the aminoglycoside class were tested, using the microdilution technique. Results: The antibacterial effect of the O. gratissimum L. and P. amboinicus L. oils alone and combined have a minimum inhibitory concentration (MIC) >= 1024 mu g/mL, except against E. coli ATCC10536, which showed a MIC = 128 mu g/mL and against S. aureus ATCC25923 with MIC = 512 mu g/mL. The drug-modifying effect of the essential oil of O. gratissimum L. resulted in an antagonism, reducing the effect of antibiotics, against all bacterial strains assayed. However, the essential oil of P. amboinicus L. showed a synergistic effect, potentiating the antibiotic activity of these drugs against the bacterial strains assayed. When the mixture of the O. gratissimum and P. amboinicus oils was combined with the antibiotic, a synergistic effect was observed. Conclusions: The data obtained are promising, but further studies are needed to isolate the active compounds and to conduct pharmacological tests in vivo, making it possible to develop new therapeutic alternatives for the treatment of diseases caused by multiresistant microorganisms. (C) 2014 Elsevier GmbH. All rights reserved.

引用

页码：151 / 156

页数：6

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