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Rev. biol. mar. oceanogr. 49(2): 385-392

Nota Científica

Actividad antibacteriana de extractos crudos del crustáceo Austromegabalanus psittacus (Cirripedia: Balanidae)

Lilian E. Trujillo1, José M. Uribe1, Boris A. López2,3 y Daniel A. López4

1Departamento de Salud, Universidad de Los Lagos, Casilla 933, Osorno, Chile
2Departamento de Acuicultura y Recursos Agroalimentarios, Universidad de Los Lagos, Avenida Fuchslocher #1305, Casilla 933, Osorno, Chile
3Facultad de Ciencias del Mar, Universidad Católica del Norte, Larrondo #1281, Coquimbo, Chile
4Centro de Estudios Avanzados, Universidad de Playa Ancha, Traslaviña #450, Viña del Mar, Chile

E-mail: borislop@ulagos.cl

 

Antibacterial activity in crude extracts of Austromegabalanus psittacus soft tissue, originating from 2 coastal localities in the north and south of Chile, was evaluated in 7 solvents. Antibacterial activity was determined using the disk diffusion method to test 7 bacterial strains (ATCC). Evidence of inhibition was found in Escherichia coli, Salmonella enteritidis, Staphylococcus aureus, Aeromonas hydrophila and Yersinia ruckeri, with high variability, depending on the solvent utilized. No differential patterns were recorded according to specimen origin. Results are discussed in terms of their potential application to the aquaculture and food industries.

Key words:  Antibacterial activity, crude extract, acorn barnacle, Chile

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