Antibacterial activity of lactic acid bacteria

Autores/as

  • Víctor Ángel Díez Fernández Universidad de León
  • Richard H. Dainty
  • Gordon Shaw

DOI:

https://doi.org/10.18002/analesdeveterinaria.v25.9139

Palabras clave:

actividad antibactertiana, Bacterias ácido-lácticas

Resumen

The inhibitory effects of some lactic acid bacteria isolated from meat and meat products on selected spoilage and pathogen bacteria were investigated. The demostralion of the inhibitory properties were studied in liquid and solid media. A perpendicular streak technique was used as a screening procedure lo determine relative degrees of inhibition by lactics grown in solid media. Agar gel diffusion and turbidometric analysis was also used to measure the
antibacterial activity produced by supernatants from selected lactic acid bacteria against indicator organisms. The existence of antibacterial activity was only demostrated in solid media. The inhibitory properties of lactic acid organisms studied can be explained on the basis of their  ability to produce substancial concentration of acetic acid.

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Publicado

2025-05-30

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