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Antibacterial potential of essential oils against planktonic and sessile cells of Escherichia coli isolated from diarrhea cases in swine / Potencial antibacteriano de aceites esenciales contra células de Escherichia coli planctónicas y sésiles aisladas de diarrea porcina
Bellaver, Franciana Aparecida Volpato; Junior, Anildo Cunha; Bello, Thais Carla Dal; Neis, Ana Julia Longo; Troncarelli, Marcella Zampoli; Millezi, Alessandra Farias.
  • Bellaver, Franciana Aparecida Volpato; Instituto Federal Catarinense. Campus Concórdia. BR
  • Junior, Anildo Cunha; Embrapa Suínos e Aves. BR
  • Bello, Thais Carla Dal; Instituto Federal Catarinense. Campus Corcórdia. BR
  • Neis, Ana Julia Longo; Universidade do Contestado. campus Concórdia. BR
  • Troncarelli, Marcella Zampoli; Instituto Federal Catarinense. Campus Concórdia. BR
  • Millezi, Alessandra Farias; Instituto Federal Catarinense. campus Concórdia. BR
Bol. latinoam. Caribe plantas med. aromát ; 21(1): 81-93, ene. 2022. tab, ilus
Article in English | LILACS | ID: biblio-1372383
ABSTRACT
Escherichia coli is a pathogen associated with infections in piglets in the post-weaning phase, its pathogenicity is related to the animal's susceptibility to bacterial enterotoxins. The objective of the present study was to determine the EOs activity against E. colistrain, in the form planktonic and sessile. Although the Disc-Diffusion tests to determine the Minimum Inhibitory Concentration, do not fully corroborate with the other analyzes of this study, it was noticed bacteria inhibition. The EOs were prepared at 0.4%, 0.8% and 1.0% for tests. The tested EOs were effective against E. coliplanktonic cells (p<0.05). As for the sessile cells, the most significant result was inhibition and 100% sessile cells at the concentration of 1.0% of Cymbopogon citratusEO. Although there was resistance in some treatments, the tested EOs demonstrated inhibition capacity, constituting promising alternatives for the control of E. coli, especially of planktonic cells.
RESUMEN
Escherichia coli es un patógeno asociado con infecciones en lechones en la fase posterior al destete, su patogenicidad está relacionada con la susceptibilidad del animal a las enterotoxinas bacterianas. El objetivo del presente estudio fue determinar la actividad de contra E. coli, en la forma planctónico y sésil. Aunque las pruebas de difusión de disco para determinar la concentración inhibitoria mínima, no corroboran completamente con los otros análisis de este estudio, se observó inhibición de la bacteria. Las soluciones basadas en AE se prepararon al 0.4%, 0.8% y 1.0% para pruebas. Los AEs probados fueron efectivos contra las células planctónicas (p<0.05). En cuanto a las células sésiles, el resultado más significativo fue la inhibición y el 100% de las células sésiles a la concentración de 1,0% de Cymbopogon citratus. Aunque hubo resistencia en algunos tratamientos, los AEs probados demostraron capacidad de inhibición, constituyendo alternativas prometedoras para el control de E. coli, especialmente de células planctónicas.
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Full text: Available Index: LILACS (Americas) Main subject: Oils, Volatile / Plant Extracts / Escherichia coli / Anti-Bacterial Agents Limits: Animals Language: English Journal: Bol. latinoam. Caribe plantas med. aromát Journal subject: Botany / Medicine / Plantas Medicinais / Terapias Complementares Year: 2022 Type: Article Affiliation country: Brazil Institution/Affiliation country: Embrapa Suínos e Aves/BR / Instituto Federal Catarinense/BR / Universidade do Contestado/BR

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Full text: Available Index: LILACS (Americas) Main subject: Oils, Volatile / Plant Extracts / Escherichia coli / Anti-Bacterial Agents Limits: Animals Language: English Journal: Bol. latinoam. Caribe plantas med. aromát Journal subject: Botany / Medicine / Plantas Medicinais / Terapias Complementares Year: 2022 Type: Article Affiliation country: Brazil Institution/Affiliation country: Embrapa Suínos e Aves/BR / Instituto Federal Catarinense/BR / Universidade do Contestado/BR