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Title

Carga bacteriana de los peces Cynoscion squamipinnis (Perciformes: Scianidae) y Lutjanus gutattus (Perciformes: Lutjanidae) en la cadena de comercialización, Costa Rica

Other TitlesBacteriological load of the fishes Cynoscion squamipinnis and Lutjanus gutattus in the marketing chain, Costa Rica
AuthorsMarín-Vindas, Carolina ; Fonseca, Cristian; Arias, Sidey; Villegas, Irene; García, Andrea; Ishihara, Hikaru
KeywordsMicrobiology
Food safety
Bacteria
Coliforms
Enterobacterias
Vibrio
Vibrios
Bacterias
Coliformes
Enterobacteriaceae
Microbiología
Seguridad alimentaria
Issue DateJun-2009
PublisherUniversidad de Costa Rica
CitationRevista de Biología Tropical 57(1-2): 45-52 (2009)
Abstract[EN] To determine the bacteriological quality of fishery products in the different stages from commercialization, monthly samples were taken during March 2004 and February 2006 from a Costa Rica marketing chain. Microbiological analyses were made to determine total coliforms (CT), faecal coliforms (CF), Escherichia coli (EC), aerobic total count (RTA), Salmonella sp., Staphylococcus aureus, Vibrio cholerae and Vibrio parahaemolyticus. Three body zones were analyzed: skin, belly and muscle. There were differences in the amount of CT between parts: skin had the highest counts, 11% of samples were identified as E. coli. and 2.5% of total counts were higher than the legal limit. Only 1.3% of the samples were S. aureus-positive. Salmonella sp., V. cholerae and V. parahaemolyticus were absent
[ES] Con el fin de determinar la calidad bacteriológica de los productos pesqueros en las diferentes etapas de comercialización, desde marzo del 2004 y hasta febrero del 2006, recolectamos muestras mensuales y realizamos análisis microbiológicos para determinar coliformes totales (CT), coliformes fecales (CF), Escherichia coli, recuento total aerobio (RTA), Salmonella sp., Staphylococcus aureus, Vibrio cholerae y Vibrio parahaemolyticus en la piel, el vientre y la carne de los productos. Hubo diferencias en la cantidad de CT encontrada entre las diferentes zonas corporales muestreadas, siendo la piel la zona con mayor conteo. En el 11% de las muestras identificamos E. coli y el 2.5% de los recuentos totales superaron los límites máximos aceptados. Salmonella sp., V. cholerae y V. parahaemolyticus estuvieron ausentes, mientras que sólo el 1.3% de las muestras fueron positivas para S. aureus
Description8 pages, 3 figures, 3 tables
Publisher version (URL)https://doi.org/10.15517/rbt.v57i1-2.11289
URIhttp://hdl.handle.net/10261/192365
DOIhttp://dx.doi.org/10.15517/rbt.v57i1-2.11289
Identifiersdoi: 10.15517/rbt.v57i1-2.11289
issn: 0034-7744
e-issn: 0034-7744
Appears in Collections:(ICM) Artículos
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