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Performance d'un modèle superficiel de réponse pour la prévision des paramètres de croissance de Leuconostoc mesenteroides sous différentes conditions expérimentales.

Performance of a response surface model for prediction of Leuconostoc mesenteroides growth parameters under different experimental conditions.

Auteurs : ZURERA COSANO G., GARCÍA-GIMENO R. M., RODRÍGUEZ-PÉREZ R.

Type d'article : Article

Résumé

The combined effects of different temperatures (10.5-24.5°C), pH level (5.5-7.5), sodium chloride levels (0.25-6.25%) and sodium nitrite levels (0-200 ppm) on the predicted growth rate and lag-time of Leuconostoc mesenteroides under aerobic and anaerobic conditions was studied. The response surface model developed provided reliable estimates of the three kinetic parameters studied, with a bias factor between 0.86 and 1.18 and an accuracy factor between 1.13 and 1.31, in aerobic and anaerobic conditions, respectively. For both conditions, standard error of prediction values ranged between 15.62 and 27.63%. The developed models are a valuable tool, enabling its application for shelf-life estimation of a food product. [Reprinted with permission from Elsevier. Copyright, 2005].

Détails

  • Titre original : Performance of a response surface model for prediction of Leuconostoc mesenteroides growth parameters under different experimental conditions.
  • Identifiant de la fiche : 2006-1817
  • Langues : Anglais
  • Source : Food Control The International Journal of HACCP and Food Safety - vol. 17 - n. 6
  • Date d'édition : 06/2006

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