Document Detail

Monitoring of nitrite and N-nitrosamine levels in irradiated pork sausage.
MedLine Citation:
PMID:  12233865     Owner:  NLM     Status:  MEDLINE    
Residual nitrite and N-nitrosamine levels were monitored on irradiated emulsion-type cooked pork sausage in aerobic or vacuum packaging states during storage. The sausage was irradiated at 0, 5, 10, and 20 kGy and stored at 4 degrees C for 4 weeks. The residual nitrite levels were significantly reduced by gamma irradiation (P < 0.05), whereas the vacuum packaging was more effective for nitrite reduction than aerobic packaging during storage. N-nitrosodimethylamine (NDMA) and N-nitrosopyrrolidine (NPYR) levels were significantly reduced in the vacuum packaged sausage irradiated with 20 kGy after 4 weeks. Reduction of NPYR in aerobically packaged sausage was also found after 4 weeks by irradiating with a 5-kGy or higher dose. NDMA reduction was shown in vacuum packaging and irradiation at 20 kGy. Gamma irradiation was effective in reducing the residual nitrite all throughout storage and N-nitrosamines in sausage after storage.
Hyun-Joo Ahn; Cheorun Jo; Jae-Hyun Kim; Young-Jin Chung; Cherl-Ho Lee; Myung-Woo Byun
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Journal of food protection     Volume:  65     ISSN:  0362-028X     ISO Abbreviation:  J. Food Prot.     Publication Date:  2002 Sep 
Date Detail:
Created Date:  2002-09-17     Completed Date:  2002-11-12     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  7703944     Medline TA:  J Food Prot     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1493-7     Citation Subset:  IM    
Graduate School of Biotechnology, Korea University, Seoul.
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MeSH Terms
Dose-Response Relationship, Radiation
Food Irradiation*
Gamma Rays
Meat Products / analysis*
Nitrites / analysis*
Nitrosamines / analysis*
Oxygen / pharmacology
Reg. No./Substance:
0/Nitrites; 0/Nitrosamines; 7782-44-7/Oxygen

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

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