Method of sterilizing dried goods

Details Method of sterilizing dried goods Method of sterilizing dried goods

1991-04-23

1993-03-16

Capossela, Ronald C.

Refrigeration

Processes

Treating an article

426320, 426524, F25D 1702

Patent

active

051933500

ABSTRACT:
In a method of sterilizing dry goods such as herbs, spices and teas, the goods are exposed in a closed containment to a refrigerant and cooled to below minus 20.degree. C. thereby to destroy any living organisms as well as the larvae and eggs thereof. The process achieves a total mortality rate for the organisms and the larvae and eggs utilizing relatively inexpensive apparatus and environmentally safe refrigeration materials, preferably liquid cold gases such as liquid nitrogen, liquid carbon dioxide and liquid air.

REFERENCES:
patent: 3768272 (1973-10-01), Barrett
patent: 4200656 (1980-04-01), Cohen et al.
patent: 4827727 (1989-05-01), Caracciolo
patent: 5027546 (1991-07-01), Tallon

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