Document Detail

An acid/alkaline stress and the addition of amino acids induce a prolonged viability of Lactobacillus plantarum loaded into alginate gel.
MedLine Citation:
PMID:  20580456     Owner:  NLM     Status:  MEDLINE    
This study reports on the investigation on the effects of the conditions used throughout the step of biomass production on the survival of Lactobacillus plantarum loaded into alginate gels. L. plantarum was grown under different conditions (MRS or a laboratory medium-LB(2)-at acidic or alkaline pHs, with NaCl, phenols, vitamins or amino acids) and immobilized in sodium alginate; cell number was evaluated throughout the storage and death (delta(stand)) and first-reduction times (delta) were calculated. The storage of alginate gels at 4 degrees C prolonged cell viability up to 60 days (ca. 20 days for cells produced in MRS and stored at 30 degrees C); however, a similar prolongation was achieved for cells produced in LB(2) adjusted to pH 5.0 and 9.0 or added with amino acids (death time>50-60 days).
Antonio Bevilacqua; Milena Sinigaglia; Maria Rosaria Corbo
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Publication Detail:
Type:  Journal Article     Date:  2010-06-12
Journal Detail:
Title:  International journal of food microbiology     Volume:  142     ISSN:  1879-3460     ISO Abbreviation:  Int. J. Food Microbiol.     Publication Date:  2010 Aug 
Date Detail:
Created Date:  2010-08-10     Completed Date:  2010-11-22     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8412849     Medline TA:  Int J Food Microbiol     Country:  Netherlands    
Other Details:
Languages:  eng     Pagination:  242-6     Citation Subset:  IM    
Copyright Information:
Copyright 2010 Elsevier B.V. All rights reserved.
Department of Food Science, Faculty of Agricultural Science, University of Foggia, Italy.
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MeSH Terms
Acids / pharmacology*
Alginates / metabolism
Alkalies / pharmacology*
Amino Acids / metabolism*
Cells, Immobilized / chemistry,  drug effects,  physiology
Culture Media / chemistry,  metabolism
Lactobacillus plantarum / chemistry,  drug effects,  physiology*
Microbial Viability* / drug effects
Reg. No./Substance:
0/Acids; 0/Alginates; 0/Alkalies; 0/Amino Acids; 0/Culture Media

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