Modelling the inactivation by PEF of Lactobacillus plantarum in an orange juice-milk beverage

F. Sampedro, A. Rivas, D. Rodrigo, A. Martínez, M. Rodrigo

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

This work studies the inactivation kinetics of Lactobacillus plantarum in an orange juice-milk beverage by pulsed electric fields. The maximum inactivation reached was 2.1 log cycles applying 40 kV/cm, 130 μs, 2.5 μs and T 55°C. The Weibull distribution function best fitted the experimental data giving Accuracy factor (Af) values closer to 1 and Mean Square Error (MSE) values closer to 0. The Hülsheger model gives a good fit but the parameters do not show any biological sense. The inactivation reached in the beverage is lower compared with other works, this is probably due to the complex composition of the product.

Original languageEnglish (US)
Title of host publicationIII International Symposium on Applications of Modelling as an Innovative Technology in the Agri-Food Chain; MODEL-IT
PublisherInternational Society for Horticultural Science
Pages429-434
Number of pages6
ISBN (Print)9789066055186
DOIs
StatePublished - 2005

Publication series

NameActa Horticulturae
Volume674
ISSN (Print)0567-7572

Bibliographical note

Copyright:
Copyright 2018 Elsevier B.V., All rights reserved.

Keywords

  • Fruit juice
  • Kinetic
  • Lactic bacteria
  • Milk product
  • Pulsed electric fields

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