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Caractéristiques sensorielles de l'arôme du lait altéré en raison d'une contamination par Pseudomonas.

Sensory aroma characteristics of milk spoilage by Pseudomonas species.

Auteurs : HAYES W., WHITE C. H., DRAKE M. A.

Type d'article : Article

Résumé

Sensory characteristics of the spoilage aromas of milk containing Pseudomonas species were determined. Two strains each of P. fluorescens, P. fragi, and P. putida were evaluated. Milk (skim and whole) was double-steamed and inoculated with Pseudomonas. Milk samples were stored at 5 °C for 1 month. Plate counts were conducted every 3rd day to determine growth rates. Descriptive aroma analysis was conducted weekly using 10 trained panellists. All 6 strains grew at refrigeration temperatures and there was no difference in growth among strains. Type and onset of spoilage depended on strain of Pseudomonas and milkfat content. This information may aid in shelf-life prediction of milk.

Détails

  • Titre original : Sensory aroma characteristics of milk spoilage by Pseudomonas species.
  • Identifiant de la fiche : 2003-2475
  • Langues : Anglais
  • Source : Ital. J. Food Sci. - vol. 67 - n. 2
  • Date d'édition : 03/2002
  • Document disponible en consultation à la bibliothèque du siège de l'IIF uniquement.

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