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Title: Effect of mild-heat and high-pressure processing on banana pectin methylesterase: A kinetic study
Authors: Ly-Nguyen, B ×
Van Loey, Ann
Smout, Chantal
Verlent, Isabel
Duvetter, Thomas
Hendrickx, Marc #
Issue Date: 2003
Publisher: Amer chemical soc
Series Title: Journal of Agricultural and Food Chemistry vol:51 issue:27 pages:7974-7979
Abstract: Pectin methylesterase (PME) was extracted from bananas and purified by affinity chromatography. The thermal-high-pressure inactivation (at moderate temperature, 30-76degreesC, in combination with high pressure, 0.1-900 MPa) of PME was investigated in a model system at pH 7.0. Under these conditions, the stable fraction was not inactivated and isobaric-isothermal inactivation followed a fractional-conversion model. At lower pressure (less than or equal to300-400 MPa) and higher temperature (greater than or equal to64degreesC), an antagonistic effect of pressure and heat was observed. Third-degree polynomial models (derived from the thermodynamic model) were successfully used to describe the heat-pressure dependence of the inactivation rate constants.
URI: 
ISSN: 0021-8561
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Centre for Food and Microbial Technology
× corresponding author
# (joint) last author

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