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Article

Antimicrobial Power of Organic Acids and Nature-Identical Compounds against Two Vibrio spp.: An In Vitro Study

1
Vetagro SpA, 42124 Reggio Emilia, Italy
2
Fish Innate Immune System Group, Department of Cell Biology and Histology, Faculty of Biology, University of Murcia, 30100 Murcia, Spain
3
DIMEVET, Department of Veterinary Medical Sciences, University of Bologna, 40064 Ozzano dell’Emilia, Italy
4
Vetagro, Inc., Chicago, IL 60604, USA
*
Author to whom correspondence should be addressed.
Academic Editor: Marina Spinu
Microorganisms 2021, 9(5), 966; https://doi.org/10.3390/microorganisms9050966
Received: 17 April 2021 / Accepted: 27 April 2021 / Published: 29 April 2021
(This article belongs to the Special Issue Antimicrobial Compounds from Alternative Sources)
Vibrosis is one of the major threats in aquaculture farming, and due to the increasing antimicrobial resistance of different Vibrio species, there is an urgent need to replace conventional treatments with more sustainable solutions. Antimicrobial molecules such as organic acids (OA) and nature-identical compounds (NIC) are currently finding a central role in the infection management of terrestrial livestock, but little is known about their usage in aquaculture. The aim of this study was to perform a preliminary screening of the in vitro antimicrobial activity of a wide panel of OA and NIC against 2 Vibrio species characteristic of the Mediterranean area, Vibrio harveyi and Vibrio anguillarum, through minimal inhibitory/bactericidal concentration tests. The active principles that showed the best effective pathogen control were medium-chain fatty acids, sorbic and benzoic acid among OA and phenolic monoterpenoids (thymol, carvacrol and eugenol) and aromatic monoterpene aldehydes (vanillin and cinnamaldehyde) among NIC. These results showed how the usage of OA and NIC can open promising perspectives in terms of Vibrio spp. load control in aquaculture. Natural or nature-identical feed additives can make aquaculture production not only more efficient by reducing the need for medicated treatments, but also more sustainable. View Full-Text
Keywords: Vibrio harveyi; Vibrio anguillarum; organic acids; botanicals; antimicrobials; antimicrobial resistance; aquaculture Vibrio harveyi; Vibrio anguillarum; organic acids; botanicals; antimicrobials; antimicrobial resistance; aquaculture
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MDPI and ACS Style

Rossi, B.; Esteban, M.A.; García-Beltran, J.M.; Giovagnoni, G.; Cuesta, A.; Piva, A.; Grilli, E. Antimicrobial Power of Organic Acids and Nature-Identical Compounds against Two Vibrio spp.: An In Vitro Study. Microorganisms 2021, 9, 966. https://doi.org/10.3390/microorganisms9050966

AMA Style

Rossi B, Esteban MA, García-Beltran JM, Giovagnoni G, Cuesta A, Piva A, Grilli E. Antimicrobial Power of Organic Acids and Nature-Identical Compounds against Two Vibrio spp.: An In Vitro Study. Microorganisms. 2021; 9(5):966. https://doi.org/10.3390/microorganisms9050966

Chicago/Turabian Style

Rossi, Barbara, Maria Angéles Esteban, José María García-Beltran, Giulia Giovagnoni, Alberto Cuesta, Andrea Piva, and Ester Grilli. 2021. "Antimicrobial Power of Organic Acids and Nature-Identical Compounds against Two Vibrio spp.: An In Vitro Study" Microorganisms 9, no. 5: 966. https://doi.org/10.3390/microorganisms9050966

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