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

Journal of Intercultural Ethnopharmacology
Amornrat IntorasootSorasak Intorasoot

Abstract

The aim of the study is to investigate the antibacterial activity of 10 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 30 clinical isolates of multidrug-resistant A. baumannii (MDR-A. baumannii). Agar diffusion, minimum inhibitory concentration, and minimum bactericidal concentration (MBC) were employed for the determination of bactericidal activity of water distilled medicinal plants. Tea tree oil (Melaleuca alternifolia) was used as positive control in this study. 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,...Continue Reading

Citations

Apr 24, 2019·Critical Reviews in Microbiology·Sinosh SkariyachanBhavya Venkata Krishna
Jun 15, 2019·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Katarzyna WińskaAntoni Szumny
Nov 14, 2019·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Ramaiana Soares MeloVictor Alves Carneiro

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