Enumeration of aerobic plate count and E. coli during blue crab processing by standard methods, Petrifilm and Redigel

Blue crab (Callinectes sapidus) samples were collected from commercial processing plants in Louisiana and examined for microbiological quality. The major processing steps were evaluated for effects on aerobic plate count (APC) and for sources of E. coli. The reliability of simple in-plant rapid micr...

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Bibliographic Details
Published in:Journal of food protection 1990-05, Vol.53 (5), p.423-425
Main Authors: Ingham, S.C. (University of Saskatchewan, Saskatoon, Saskatchewan, Canada), Moody, M.W
Format: Article
Language:English
Subjects:
BACTERIA
BACTERIE
CANGREJO DE MAR
CONTEO DE CELULAS
CRABE
ESCHERICHIA
EXPERIMENTATION EN LABORATOIRE
EXPERIMENTOS EN LABORATORIO
MICROORGANISME
MICROORGANISMOS
NUMERATION CELLULAIRE
TECHNOLOGIE ALIMENTAIRE
TECNOLOGIA DE LOS ALIMENTOS
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Summary:Blue crab (Callinectes sapidus) samples were collected from commercial processing plants in Louisiana and examined for microbiological quality. The major processing steps were evaluated for effects on aerobic plate count (APC) and for sources of E. coli. The reliability of simple in-plant rapid microbiological methods (Redigel, Petrifilm Standard plate count, and Petrifilm E. coli) was compared with that of standard methods. The APC increased significantly during overnight cooling prior to picking, and no consistent patterns of E. coli contamination were observed. There were no significant differences (p 0.05) between the rapid and standard APC methods, and the rapid E. coli method appeared to be more sensitive for detecting E. coli than the standard method
ISSN:0362-028X
1944-9097
DOI:10.4315/0362-028x-53.5.423