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J Appl Microbiol. 2002;92(4):611-7.

Production of biogenic amines and divercin V41 in cold smoked salmon inoculated with Carnobacterium divergens V41, and specific detection of this strain by multiplex-PCR.

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1
Laboratoire de Microbiologie Alimentaire et Industrielle, ENITIAA, Nantes, France.

Abstract

AIMS:

The objective of this study was to determine the technological behaviour (implantation and biogenic amines production) of Carnobacterium divergens V41, an anti-Listeria bacteriocin producer (divercin V41), after inoculation in cold smoked salmon (CSS).

METHODS AND RESULTS:

Implantation of the strain was followed by multiplex-PCR during 27 days of storage at 4 degrees C, and biogenic amines were quantified by HPLC. It was found that the strain was able to develop quite well in CSS among lactic wild flora. Divercin V41 (400 AU ml-1) was produced in CSS, and the biogenic amine content was not modified by inoculation of the bacteria.

CONCLUSIONS:

Carnobacterium divergens V41 is a safe, interesting, bioprotective agent.

SIGNIFICANCE AND IMPACT OF THE STUDY:

This strain could potentially be used for efficient prevention of L. monocytogenes growth in CSS.

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