Procedure for the treatment of packaged agricultural food products
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United States of America Patent
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N/A
Issued Date -
Jul 28, 2005
app pub date -
Aug 18, 2004
filing date -
Jul 18, 2002
priority date (Note) -
Abandoned
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Abstract
In said procedure, following placement of the agricultural food product in a bag, the following stages are carried out: a) the CO.sub.2 and O.sub.2 are mixed, with the concentration of CO.sub.2 equal to or higher than 40% and the concentration of O.sub.2 equal to or lower than 5%; b) the bag is filled with the mixture resulting from stage (a) by teans of a scavenging operation or the creation of a vacuum inside the bag, setting up a pressure of 350 mbar inside the bag; c) the agricultural food product is exposed to the mixture of gases for a time that ranges between 4 and 26 days, the concentration of CO.sub.2 falling to 30% and the concentration of O.sub.2 rising to 9%; said procedure permitting the eradication of insects and/or mites at any stage of their development.
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