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Bactericidal activity of herbal volatile oil extracts against multidrug resistant Acinetobacter baumannii

Amornrat Intorasoot, Piyaorn Chornchoem, Siriwoot Sookkhee, Sorasak Intorasoot.

Abstract
Aim: To investigate the antibacterial activity of ten volatile oils extracted from medicinal plants, including galangal (Alpinia galanga Linn.), ginger (Zingiber officinale), plai (Zingiber cassumunar Roxb.), lime (Citrus aurantifolia), kaffir lime (Citrus hystrix DC.), sweet basil (Ocimum basilicum Linn.), tree basil (Ocimum gratissimum), lemongrass (Cymbopogon citratus DC.), clove (Syzygium aromaticum) and cinnamon (Cinnamomum verum) against four standard strains of Staphylococcus aureus, Escherichia coli, Pseudomonas aeruginosa, Acinetobacter baumannii and thirty clinical isolates of multidrug-resistant A. baumannii (MDR-A. baumannii). Methods: Agar diffusion, minimal inhibitory concentration (MIC) and minimal bactericidal concentration (MBC) were employed for determination of bactericidal activity of water distillated medicinal plants. Tea tree oil (Melaleuca alternifolia) was used as positive control in this study. Results: The results indicated the volatile oil extracted from cinnamon exhibited potent antibacterial activity against the most common human pathogens, S. aureus, E. coli, P. aeruginosa and A. baumannii. Most of volatile oil extracts were less effective against non-fermentative bacteria, P. aeruginosa. In addition, volatile oil extracted from cinnamon, clove and tree basil possessed potent bactericidal activity against MDR-A. baumannii with MBC90 of 0.5, 1 and 2 mg/mL, respectively. Conclusions: The volatile oil extracts would be useful as alternative natural product for treatment of the most common human pathogens and MDR-A. baumannii infections.

Key words: MDR-Acinetobacter baumannii, volatile oil, medicinal plant


 
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How to Cite this Article
Pubmed Style

Intorasoot A, Chornchoem P, Sookkhee S, Intorasoot S. Bactericidal activity of herbal volatile oil extracts against multidrug resistant Acinetobacter baumannii. J Intercult Ethnopharmacol. 2017; 6(2): 218-222. doi:10.5455/jice.20170411091159



Web Style

Intorasoot A, Chornchoem P, Sookkhee S, Intorasoot S. Bactericidal activity of herbal volatile oil extracts against multidrug resistant Acinetobacter baumannii. www.scopemed.org/?mno=256745 [Access: June 23, 2017]. doi:10.5455/jice.20170411091159



AMA (American Medical Association) Style

Intorasoot A, Chornchoem P, Sookkhee S, Intorasoot S. Bactericidal activity of herbal volatile oil extracts against multidrug resistant Acinetobacter baumannii. J Intercult Ethnopharmacol. 2017; 6(2): 218-222. doi:10.5455/jice.20170411091159



Vancouver/ICMJE Style

Intorasoot A, Chornchoem P, Sookkhee S, Intorasoot S. Bactericidal activity of herbal volatile oil extracts against multidrug resistant Acinetobacter baumannii. J Intercult Ethnopharmacol. (2017), [cited June 23, 2017]; 6(2): 218-222. doi:10.5455/jice.20170411091159



Harvard Style

Intorasoot, A., Chornchoem, P., Sookkhee, S. & Intorasoot, S. (2017) Bactericidal activity of herbal volatile oil extracts against multidrug resistant Acinetobacter baumannii. J Intercult Ethnopharmacol, 6 (2), 218-222. doi:10.5455/jice.20170411091159



Turabian Style

Intorasoot, Amornrat, Piyaorn Chornchoem, Siriwoot Sookkhee, and Sorasak Intorasoot. 2017. Bactericidal activity of herbal volatile oil extracts against multidrug resistant Acinetobacter baumannii. Journal of Intercultural Ethnopharmacology, 6 (2), 218-222. doi:10.5455/jice.20170411091159



Chicago Style

Intorasoot, Amornrat, Piyaorn Chornchoem, Siriwoot Sookkhee, and Sorasak Intorasoot. "Bactericidal activity of herbal volatile oil extracts against multidrug resistant Acinetobacter baumannii." Journal of Intercultural Ethnopharmacology 6 (2017), 218-222. doi:10.5455/jice.20170411091159



MLA (The Modern Language Association) Style

Intorasoot, Amornrat, Piyaorn Chornchoem, Siriwoot Sookkhee, and Sorasak Intorasoot. "Bactericidal activity of herbal volatile oil extracts against multidrug resistant Acinetobacter baumannii." Journal of Intercultural Ethnopharmacology 6.2 (2017), 218-222. Print. doi:10.5455/jice.20170411091159



APA (American Psychological Association) Style

Intorasoot, A., Chornchoem, P., Sookkhee, S. & Intorasoot, S. (2017) Bactericidal activity of herbal volatile oil extracts against multidrug resistant Acinetobacter baumannii. Journal of Intercultural Ethnopharmacology, 6 (2), 218-222. doi:10.5455/jice.20170411091159








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