Document Detail

Control of microorganisms and reduction of biogenic amines in chicken breast and thigh by irradiation and organic acids.
MedLine Citation:
PMID:  17704395     Owner:  NLM     Status:  MEDLINE    
The effect of irradiation or organic acid treatment of raw chicken breast and thigh meat to control inoculated microorganisms and the production of biogenic amines (BA) was studied. Bacillus cereus, Enterobacter cloacae, and Alcaligenes faecalis were selected and inoculated into raw ground chicken breast and thigh meat at approximately 10(7) cfu/g. The samples were irradiated at 0, 0.5, 1, and 2 kGy or mixed with a 0.2 M solution of acetic, citric, or lactic acid (1 mL for 10 g of meat sample) for 24 h at 4 degrees C. Viable cell counts and BA contents were determined. Irradiation was effective in reducing the inoculated bacteria: 0.5 kGy achieved approximately a 2-log reduction, and no viable cells were detected at a dose of 2 kGy. In contrast, only up to a 1-log reduction was achieved by organic acid treatment except for citric acid, which achieved approximately a 3-log reduction of E. cloacae. Both the irradiation and organic acid treatment of raw chicken breast and thigh reduced the BA content, but the rate of BA reduction differed by inoculated organism and treatment (irradiation or organic acid). Although irradiation was an excellent method for controlling inoculated microorganisms, the content of BA produced was similar to that of the organic acid treatment of raw chicken breast and thigh meat.
J S Min; S O Lee; A Jang; C Jo; M Lee
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Poultry science     Volume:  86     ISSN:  0032-5791     ISO Abbreviation:  Poult. Sci.     Publication Date:  2007 Sep 
Date Detail:
Created Date:  2007-08-20     Completed Date:  2007-12-20     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0401150     Medline TA:  Poult Sci     Country:  United States    
Other Details:
Languages:  eng     Pagination:  2034-41     Citation Subset:  IM    
Prepared Food Development Team, CJ Ltd., Ichon, 120-750, Korea.
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MeSH Terms
Acetic Acid / pharmacology
Bacteria / drug effects*,  radiation effects*
Biogenic Amines / analysis*
Citric Acid / pharmacology
Colony Count, Microbial
Dose-Response Relationship, Radiation
Food Irradiation* / methods
Food Microbiology / standards*
Food Preservation / methods
Lactic Acid / pharmacology
Meat / analysis,  microbiology*,  radiation effects*
Reg. No./Substance:
0/Biogenic Amines; 50-21-5/Lactic Acid; 64-19-7/Acetic Acid; 77-92-9/Citric Acid

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

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