Title: Identification of non-linear microbial inactivation kinetics under dynamic conditions
Authors: Valdramidis, V P ×
Geeraerd, Annemie
Bernaerts, Kristel
Van Impe, Jan #
Issue Date: Nov-2008
Publisher: Elsevier Science Publishers
Series Title: International Journal of Food Microbiology vol:128 issue:1 pages:146-152
Abstract: In this study dynamic microbial inactivation experiments are exploited for performing parameter identification of a non-linear microbial model. For that purpose microbial inactivation data are produced and a differential equation exhibiting a shoulder and a loglinear phase is employed. The derived parameter estimates from this method were used to perform predictions on an independent experimental set at fluctuating temperature. Joint confidence regions and asymptotic confidence intervals of the estimated parameters were compared with previous studies originating from parameter identification under isothermal conditions. The developed approach can provide more reliable estimates for realistic conditions compared to the usual or standard two step approach.
Description: [**]
ISSN: 0168-1605
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Division of Mechatronics, Biostatistics and Sensors (MeBioS)
Bio- & Chemical Systems Technology, Reactor Engineering and Safety Section
× corresponding author
# (joint) last author

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