Document Detail

Use of carvacrol and cymene to control growth and viability of Listeria monocytogenes cells and predictions of survivors using frequency distribution functions.
MedLine Citation:
PMID:  15270494     Owner:  NLM     Status:  MEDLINE    
The antibacterial action of carvacrol and cymene on two Listeria monocytogenes strains (STCC4031 and NCTN4032) was studied. Carvacrol or cymene showed inhibitory effect on the growth of L. monocytogenes during lag and exponential growth phases and was more evident with increasing concentrations in brain heart infusion broth at 30 degrees C. Carvacrol or cymene also decreased the survival of mid-exponential-growth-phase L. monocytogenes STCC4031 cells in potassium-N-2-hydroxy-ethylpiperazine-N-ethanesulfo nic acid, at 30 degrees C. The combination of carvacrol and cymene resulted in an increased antibacterial effect on the growth and a synergistic effect on the viability of L. monocytogenes compared with the natural compounds applied separately. The analysis of survival curves by the Weibull frequency distribution function allowed an accurate prediction of the level of inactivation achieved. Interestingly, an important bactericidal effect (4.7-log reduction) of low concentrations of both antimicrobials combined (0.75 mM) was observed on L. monocytogenes in carrot juice. This study indicates the potential use of carvacrol and cymene applied simultaneously for preservation of minimally processed foods.
Paula M Periago; Begoña Delgado; Pablo S Fernández; Alfredo Palop
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Journal of food protection     Volume:  67     ISSN:  0362-028X     ISO Abbreviation:  J. Food Prot.     Publication Date:  2004 Jul 
Date Detail:
Created Date:  2004-07-23     Completed Date:  2004-09-09     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:  1408-16     Citation Subset:  IM    
Universidad Politécnica de Cartagena, Escuela Técnica Superior de Ingeniería Agronómica, Departamento Ingeniería de los Alimentos y del Equipamiento Agrícola, Paseo Alfonso XIII 48, 30203 Cartagena Murcia), Spain.
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MeSH Terms
Anti-Bacterial Agents / pharmacology*
Colony Count, Microbial
Consumer Product Safety
Dose-Response Relationship, Drug
Drug Synergism
Food Microbiology
Food Preservation / methods*
Listeria monocytogenes / drug effects*,  growth & development
Monoterpenes / pharmacology*
Statistical Distributions
Reg. No./Substance:
0/Anti-Bacterial Agents; 0/Monoterpenes; 499-75-2/carvacrol

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

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