Process for sterilizing food stuffs
AssigneeJapan Food Industry Association Inc.
InventorsHisateru Mitsuda, Hiroshi Ohminami, Haruko Nagasawa
Life of this patent
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Abstract
Food stuffs are sterilized in a processing room, packing receptacles or a refrigerator with the aid of a mixture of ozone gas and carbon dioxide gas and/or nitrogen gas. Packing receptacles are sealed after they have been filled up with the mixture. Equipments comprise a gas feed apparatus for feeding the mixture into the processing room or refrigerator and a gas control device for maintaining a fixed mixing ratio of ozone gas to carbon dioxide gas and/or nitrogen gas.
Claims4
A process for sterilizing food stuffs comprising the steps of
- putting the food stuffs in a processing room, and
- feeding a mixture of ozone gas and carbon dioxide gas into said processing room to sterilize the food stuffs, said mixture having a mixing ratio in weight of carbon dioxide gas to ozone gas ranging from 2 to 1 through 1 to 2.
A process for sterilizing and freezing food stuffs comprising the steps of
- putting food stuffs in a refrigerator,
- feeding a mixture of ozone gas and carbon dioxide gas into said refrigerator to sterilize the food stuffs, said mixture having a mixing ratio in weight of carbon dioxide gas to ozone gas ranging from 2 to 1 through 1 to 2, and
- freezing the food stuffs after the food stuffs have been sterilized.
Dependencies are inferred from the claim text.