Process for liquid food preservation using pulsed electrical field treatment

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United States of America Patent

PATENT NO 11903400
APP PUB NO 20190191745A1
SERIAL NO

15776164

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Abstract

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The present invention relates to a process for fast and homogeneously heating a liquid product to a predetermined temperature by means of resistive heating. Sufficient and effective microbial inactivation is achieved upon applying an electrical field strength of between 0.1-5.0 kV/cm for a prolonged period of time, thus by selecting a relatively low electrical field strength and a pulse duration of at least 10 microseconds while the maximum temperature of the liquid product autonomously remains below 92° C. during the resistive heating. The present invention further relates to said process wherein the liquid product is pre-heated prior to subjecting the liquid product to the process. The present invention also relates to the liquid product obtainable by the process according to the invention.

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Patent Owner(s)

Patent OwnerAddress
STICHTING WAGENINGEN RESEARCHCOSTERWEG 50 WAGENINGEN 6701 BH

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
De, Moraes Ricardo Ermirio São Paulo, BR 4 3
Mastwijk, Hendrikus Cornelis Bilthoven, NL 5 18
Timmermans, Rian Adriana Hendrika Wageningen, NL 3 3

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