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

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...

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Main Authors: Clifford E. Starliper, Henry G. Ketola, Andrew D. Noyes, William B. Schill, Fred G. Henson, Marc A. Chalupnicki, Dawn E. Dittman
Format: Article
Language:English
Published: Elsevier 2015-01-01
Series:Journal of Advanced Research
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S2090123213001513
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author Clifford E. Starliper
Henry G. Ketola
Andrew D. Noyes
William B. Schill
Fred G. Henson
Marc A. Chalupnicki
Dawn E. Dittman
author_facet Clifford E. Starliper
Henry G. Ketola
Andrew D. Noyes
William B. Schill
Fred G. Henson
Marc A. Chalupnicki
Dawn E. Dittman
author_sort Clifford E. Starliper
collection DOAJ
description 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.
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spelling doaj.art-d9a715f7c6ca4cbc86d04a3a20e688c52022-12-21T18:02:01ZengElsevierJournal of Advanced Research2090-12322090-12242015-01-0161899710.1016/j.jare.2013.12.007An investigation of the bactericidal activity of selected essential oils to Aeromonas spp.Clifford E. Starliper0Henry G. Ketola1Andrew D. Noyes2William B. Schill3Fred G. Henson4Marc A. Chalupnicki5Dawn E. Dittman6USGS Leetown Science Center, National Fish Health Research Laboratory, 11649 Leetown Road, Kearneysville, WV, USAUSGS Great Lakes Science Center, Tunison Laboratory of Aquatic Science, 3075 Gracie Road, Cortland, NY, USANew York State Department of Environmental Conservation, Fish Disease Control Unit, 8314 Fish Hatchery Road, Rome, NY, USAUSGS Leetown Science Center, National Fish Health Research Laboratory, 11649 Leetown Road, Kearneysville, WV, USANew York State Department of Environmental Conservation, Bureau of Fisheries, 625 Broadway, Albany, NY, USAUSGS Great Lakes Science Center, Tunison Laboratory of Aquatic Science, 3075 Gracie Road, Cortland, NY, USAUSGS Great Lakes Science Center, Tunison Laboratory of Aquatic Science, 3075 Gracie Road, Cortland, NY, USADiseases 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.http://www.sciencedirect.com/science/article/pii/S2090123213001513Essential oilAeromonasBactericidalMBC
spellingShingle Clifford E. Starliper
Henry G. Ketola
Andrew D. Noyes
William B. Schill
Fred G. Henson
Marc A. Chalupnicki
Dawn E. Dittman
An investigation of the bactericidal activity of selected essential oils to Aeromonas spp.
Journal of Advanced Research
Essential oil
Aeromonas
Bactericidal
MBC
title An investigation of the bactericidal activity of selected essential oils to Aeromonas spp.
title_full An investigation of the bactericidal activity of selected essential oils to Aeromonas spp.
title_fullStr An investigation of the bactericidal activity of selected essential oils to Aeromonas spp.
title_full_unstemmed An investigation of the bactericidal activity of selected essential oils to Aeromonas spp.
title_short An investigation of the bactericidal activity of selected essential oils to Aeromonas spp.
title_sort investigation of the bactericidal activity of selected essential oils to aeromonas spp
topic Essential oil
Aeromonas
Bactericidal
MBC
url http://www.sciencedirect.com/science/article/pii/S2090123213001513
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