An investigation of the bactericidal activity of selected essential oils to Aeromonas spp.

Clifford E. Starliper; H. George Ketola; Andrew D. Noyes; William B. Schill; Fred G. Henson; Marc A. Chalupnicki; Dawn E. Dittman

doi:10.1016/j.jare.2013.12.007

An investigation of the bactericidal activity of selected essential oils to Aeromonas spp.

Journal of Advanced Research

By: Clifford E. Starliper, H. George Ketola, Andrew D. Noyes, William B. Schill, Fred G. Henson, Marc A. Chalupnicki, and Dawn E. Dittman

https://doi.org/10.1016/j.jare.2013.12.007

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Abstract

Diseases of fishes caused by Aeromonas spp. are common, have broad host ranges and may cause high mortality. Treatments of captive-reared populations using antimicrobials are limited with concerns for bacterial resistance development and environmental dissemination. This study was done to determine whether selected plant-derived essential oils were bactericidal to Aeromonas spp. Initially, twelve essential oils were evaluated using a disk diffusion assay to an isolate of A. salmonicida subsp. salmonicida, cause of fish furunculosis. The greatest zones of inhibition were obtained with oils of cinnamon Cinnamomum cassia, oregano Origanum vulgare, lemongrass Cymbopogon citratus and thyme Thymus vulgaris. Minimum bactericidal concentrations (MBC’s) were determined for these four oils, Allimed® (garlic extract, Allium sativum) and colloidal silver to sixty-nine isolates representing nine Aeromonas spp. The lowest mean MBCs (0.02–0.04%) were obtained with three different sources of cinnamon oil. MBCs for three sources of oregano and lemongrass oils ranged from 0.14% to 0.30% and 0.10% to 0.65%, respectively, and for two thyme oils were 2.11% and 2.22%. The highest concentration (5%) of Allimed® tested resulted in MBCs to twelve isolates. A concentration of silver greater than 15 mg/L would be required to determine MBCs for all but one isolate.

Additional publication details
Publication type	Article
Publication Subtype	Journal Article
Title	An investigation of the bactericidal activity of selected essential oils to Aeromonas spp.
Series title	Journal of Advanced Research
DOI	10.1016/j.jare.2013.12.007
Volume	6
Year Published	2015
Language	English
Publisher	Elsevier
Contributing office(s)	Great Lakes Science Center, Leetown Science Center
Description	9 p.
Larger Work Title	Journal of Advanced Research
First page	89
Last page	97
Online Only (Y/N)	N
Additional Online Files (Y/N)	N
Google Analytic Metrics	Metrics page