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High Pressure Research
An International Journal
Volume 19, 2000 - Issue 1-6
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Original Articles

Pressure inactivation of fungal spores in aqueous model solutions and in real food systems

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Pages 253-262 | Received 09 Sep 1999, Published online: 19 Aug 2006
 

Abstract

Conidiospores from Penicillium expansum and ascospores from Eurotium repens were exposed to high hydrostatic pressure in isotonic salt solution, apple and broccoli juice. Kinetic measurements were done at 4,25 and 40 or 45°C. The shape of the inactivation curves was strongly dependent on the temperature. Asco- and conidiospores were found to behave in a contrary way. The fastest reduction for conidiospores was found at 4°C, for ascospores best inactivation was achieved at 45°C. High pressure inactivation of spores in apple or broccoli juice was nearly the same as in isotonic salt solution.

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