Document Detail


Effectiveness of household natural sanitizers in the elimination of Salmonella typhimurium on rocket (Eruca sativa Miller) and spring onion (Allium cepa L.).
MedLine Citation:
PMID:  15698693     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Experiments were done with fresh lemon juice, vinegar and their mixture (1:1) to evaluate their efficacy in reducing the numbers of Salmonella typhimurium on fresh salad vegetables. Fresh whole rocket leaves and shredded spring onion samples were inoculated with S. typhimurium suspensions to provide initial populations of approximately 6 and 3 log cfu/g. After inoculation, vegetables were treated with the test solutions for 0, 15, 30 and 60 min, and pathogens were enumerated by using direct plating on Bismuth Sulphite Agar (BSA). Prior to this work, it was shown that BSA was not toxic for acid injured Salmonella cells by statistical analysis applied to enriched and non-enriched samples (P>0.05). Treatment of rocket leaves with fresh lemon juice and vinegar caused a significant reduction ranging between 1.23 and 4.17 log cfu/g and between 1.32 and 3.12 log cfu/g, respectively, while the maximum reduction reached by using lemon juice-vinegar mixture (1:1) for 15 min, which reduced the number of pathogens to an undetectable level. In the spring onion samples, lemon juice, vinegar and their mixture caused 0.87-2.93, 0.66-2.92 and 0.86-3.24 log cfu/g reductions, respectively.
Authors:
Ilkin Yucel Sengun; Mehmet Karapinar
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  International journal of food microbiology     Volume:  98     ISSN:  0168-1605     ISO Abbreviation:  Int. J. Food Microbiol.     Publication Date:  2005 Feb 
Date Detail:
Created Date:  2005-02-08     Completed Date:  2005-04-04     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8412849     Medline TA:  Int J Food Microbiol     Country:  Netherlands    
Other Details:
Languages:  eng     Pagination:  319-23     Citation Subset:  IM    
Affiliation:
Ege University, Engineering Faculty, Food Engineering Department, 35100, Bornova, Izmir, Turkey.
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MeSH Terms
Descriptor/Qualifier:
Acetic Acid / pharmacology*
Citrus / chemistry*
Colony Count, Microbial
Consumer Product Safety
Disinfectants / pharmacology*
Food Contamination / prevention & control
Food Microbiology
Onions / microbiology*
Plant Extracts / pharmacology*
Salmonella typhimurium / drug effects*
Sanitation / methods
Time Factors
Chemical
Reg. No./Substance:
0/Disinfectants; 0/Plant Extracts; 64-19-7/Acetic Acid

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


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