Document Detail

The effect of refrigerated and frozen storage on populations of mesophilic and coliform bacteria on fresh broiler chicken carcasses.
MedLine Citation:
PMID:  8825597     Owner:  NLM     Status:  MEDLINE    
Experiments were conducted to determine whether lots of broiler chicken carcasses analyzed at Day 0 or subjected to various refrigeration or freezing temperatures could be microbiologically differentiated using impedance microbiological methods. Sixty ready-to-cook broiler chicken carcasses were collected from a processing facility and used in each of three replicate trials. For each trial, 10 carcasses each were: sampled immediately (Day 0 control), sampled after holding at 3 C for 13 d (Refrigerated control), sampled after holding at 0 C for 12 d and tempering at 3 C for 24 h (Refrigerated 0), sampled after holding at -3.9 C for 12 d and tempering at 3 C for 24 h (Frozen -3.9), sampled after holding at -7.8 C for 12 d and tempering at 3 C for 24 h (Frozen -7.8), and sampled after holding at -27.0 C for 12 d and tempering at 3 C for 24 h (Frozen -27). Carcasses were sampled using a whole carcass rinse procedure. Mesophilic impedance detection times (MDT) and coliform impedance detection times (CDT) at 42 C were conducted in duplicate on each carcass rinse. Lots of carcasses held at 0 C or below had significantly fewer mesophiles than those held at 3 C. The MDT would be suitable for distinguishing carcasses held at 0 C or below from those held at 3 C. Using CDT, lots of carcasses frozen at -7.8 or -27.0 C could be distinguished from lots analyzed at Day 0 or held at 0 or 3 C. Using CDT, lots of carcasses frozen at -3.9 could not be separated from those held at 3 C, but could be distinguished from those held at 0 C. Monitoring coliforms using impedance would be useful for identifying lots of carcasses subjected to temperatures of -7.8 C or below but would not be suitable for determining freezing temperature.
S M Russell
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Poultry science     Volume:  74     ISSN:  0032-5791     ISO Abbreviation:  Poult. Sci.     Publication Date:  1995 Dec 
Date Detail:
Created Date:  1996-12-03     Completed Date:  1996-12-03     Revised Date:  2008-11-21    
Medline Journal Info:
Nlm Unique ID:  0401150     Medline TA:  Poult Sci     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  2057-60     Citation Subset:  IM    
Department of Poultry Science, University of Georgia, Athens 30602-2772, USA.
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MeSH Terms
Bacteria, Aerobic / isolation & purification*,  physiology
Chickens / microbiology*
Cold Temperature*
Enterobacteriaceae / isolation & purification*,  physiology
Food Handling / standards*
Food Preservation / methods*
Frozen Foods / standards*
Meat / microbiology*

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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