Document Detail


Effect of trans-Cinnamaldehyde on Inhibition and Inactivation of Cronobacter sakazakii Biofilm on Abiotic Surfaces.
MedLine Citation:
PMID:  21333138     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
The efficacy of trans-cinnamaldehyde (TC), an ingredient in cinnamon oil, for inhibiting biofilm synthesis (560 and 750 μM TC) and inactivating mature biofilms (23 and 38 mM TC) of Cronobacter sakazakii was investigated at 24 and 12°C in the presence and absence of reconstituted infant formula on polystyrene plates, stainless steel coupons, feeding bottle coupons, and enteral feeding tube coupons. Additionally, TC's effect on the expression of genes critical for biofilm formation in C. sakazakii was determined by reverse transcription quantitative PCR. TC inhibited and inactivated C. sakazakii biofilms on all matrices tested at both temperatures. C. sakazakii was reduced by >4.0 and 3.0 log CFU/ml after 96 h of exposure to 38 mM and 750 μM TC, respectively. Reverse transcription quantitative PCR results revealed that TC significantly (P ≤ 0.05) down-regulated biofilm-associated genes in C. sakazakii. TC could potentially be used to control C. sakazakii biofilms on infant formula feeding equipment and preparatory areas.
Authors:
Mary Anne Roshni Amalaradjou; Kumar Venkitanarayanan
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of food protection     Volume:  74     ISSN:  1944-9097     ISO Abbreviation:  J. Food Prot.     Publication Date:  2011 Feb 
Date Detail:
Created Date:  2011-02-21     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7703944     Medline TA:  J Food Prot     Country:  United States    
Other Details:
Languages:  eng     Pagination:  200-8     Citation Subset:  IM    
Affiliation:
Department of Animal Science, University of Connecticut, Storrs, Connecticut 06269, USA.
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