Article (Scientific journals)
Psychrotrophic lactic acid bacteria associated with production batch recalls and sporadic cases of early spoilage in Belgium between 2010 and 2014
Pothakos, Vasileios; Taminiau, Bernard; Huys, Geert et al.
2014In International Journal of Food Microbiology, 191, p. 157-163
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Keywords :
Early spoilage; Production batch recall; Psychrotrophic LAB; Leuconostoc gelidum subsp. gasicomitatum; 16S rRNA gene high-throughput sequencing
Abstract :
[en] Between 2010 and 2014 several spoilage cases in Belgium occurring in retail foodstuffs prior to the end of shelf-life have been reported to our laboratory. Overall, seven cases involved strictly psychrotrophic lactic acid bacteria (LAB) contamination in packaged and chilled-stored food products. The products derived either fromrecalls of entire production batches or as specimens of sporadic spoilage manifestations. Some of these samples were returned to the manufacturing companies by consumers who observed the alterations after purchasing the products. The products covered a wide range of foodstuffs (i.e. meat, dairy, vegetable, egg products and composite food) and denoted different spoilage defects. However, the microbiota determined by means of 16S rRNA gene high throughput sequencing analysis underpin few LAB genera (i.e. Leuconostoc, Lactobacillus, Weissella and Lactococcus), which are frequently encountered nowadays as specific spoilage organisms (SSO) albeit overlooked by mesophilic enumeration methods due to their strictly psychrotrophic character. The present study confirms the spreading of psychrotrophic LAB in Belgian food processing environments leading to unexpected spoilage, corroborating their spoilage dynamics and prevalence in all kinds of packaged and refrigerated foodstuffs in Northern Europe.
Disciplines :
Microbiology
Author, co-author :
Pothakos, Vasileios;  Universiteit Gent - Ugent > Food Safety and Food Quality > Food Microbiology and Food Preservation
Taminiau, Bernard  ;  Université de Liège - ULiège > Département de sciences des denrées alimentaires (DDA) > Microbiologie des denrées alimentaires
Huys, Geert;  Universiteit Gent - Ugent > Faculty of Science > Laboratory of Microbiology and BCCM/LMG Bacteria Collection,
Nezer, Carine;  Quality Partner sa
Daube, Georges  ;  Université de Liège - ULiège > Département de sciences des denrées alimentaires (DDA) > Microbiologie des denrées alimentaires
Devlieghere, Frank;  Universiteit Gent - Ugent > Food Safety and Food Quality > Food Microbiology and Food Preservation,
Language :
English
Title :
Psychrotrophic lactic acid bacteria associated with production batch recalls and sporadic cases of early spoilage in Belgium between 2010 and 2014
Publication date :
2014
Journal title :
International Journal of Food Microbiology
ISSN :
0168-1605
eISSN :
1879-3460
Publisher :
Elsevier Science, Amsterdam, Netherlands
Volume :
191
Pages :
157-163
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 02 October 2014

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