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Determination of speciality food salt origin by using 16S rDNA fingerprinting of bacterial communities by PCReDGGE: An application on marine salts produced in solar salterns from the French Atlantic Ocean

Dufossé Laurent, Donadio Clara, Valla Alain, Meile Jean-Christophe, Montet Didier. 2013. Determination of speciality food salt origin by using 16S rDNA fingerprinting of bacterial communities by PCReDGGE: An application on marine salts produced in solar salterns from the French Atlantic Ocean. Food Control, 32 (2) : 644-649.

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Quartile : Q1, Sujet : FOOD SCIENCE & TECHNOLOGY

Résumé : The determination of geographical origin is part of the demand of the traceability system of food products. A hypothesis of tracing the source of a product is to analyse in a global way the bacterial communities of the food samples after their production. For this purpose, molecular techniques employing 16S rDNA profiles generated by PCReDGGE were used to detect the variation in bacterial community structures of salts from four French regions. When the 16S rDNA profiles were analysed by multivariate analysis, distinct microbial communities were detected. The band profiles of the salt bacteria from different producing areas were different and were specific for each location and could be used as a bar code to certify the origin of salts. These band profiles can be used as specific markers for a specific location. This method is proposed as a new traceability tool which provides salts with a unique bar code that permits to trace back salts from store shelves to their original location.

Mots-clés Agrovoc : sel, produit alimentaire, provenance, technique analytique, identification, Bacteria, écologie microbienne, flore microbienne, PCR, traçabilité

Mots-clés géographiques Agrovoc : France, océan Atlantique

Classification Agris : Q04 - Composition des produits alimentaires
E70 - Commerce, commercialisation et distribution
U30 - Méthodes de recherche

Champ stratégique Cirad : Axe 3 (2005-2013) - Alimentation accessible et de qualité

Auteurs et affiliations

  • Dufossé Laurent, Université de la Réunion (REU)
  • Donadio Clara, Université de la Réunion (REU)
  • Valla Alain, CNRS (FRA)
  • Meile Jean-Christophe, CIRAD-PERSYST-UMR Qualisud (FRA) ORCID: 0000-0002-6747-2104
  • Montet Didier, CIRAD-PERSYST-UMR Qualisud (FRA)

Source : Cirad - Agritrop (https://agritrop.cirad.fr/567818/)

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