Method for processing a perishable product
First Claim
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1. A method for processing a perishable product comprising the steps of:
- positioning a perishable product having a high porosity and permeability in a gas impermeable package such that a substantial portion of the product is in gas communication with a selected first agent; and
thereafter sealing such product in said package for a selected resident time such that gas communication with said product and said first agent is maintained, where the type and concentration of said first agent is determined by the compositional characteristics of said product.
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Abstract
A method of preservation and presentation including the steps of positioning a perishable product having a significant porosity and permeability into a gas impermeable package in the presence of a first agent, thereafter sealing the product in the package in the presence of the agent under a positive pressure and maintaining gas communication between the product and the first agent for a time necessary for the concentration of the first agent to be reduced by 50%.
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Citations
26 Claims
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1. A method for processing a perishable product comprising the steps of:
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positioning a perishable product having a high porosity and permeability in a gas impermeable package such that a substantial portion of the product is in gas communication with a selected first agent; and thereafter sealing such product in said package for a selected resident time such that gas communication with said product and said first agent is maintained, where the type and concentration of said first agent is determined by the compositional characteristics of said product. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A method of processing a perishable product comprising the steps of:
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positioning a particulated perishable product having a significant void fraction and a significant permeability therethrough so as to allow for gas communication with a high proportion of the product surface area; exposing said product to a first agent for a resident time adequate to alter the external appearance, organoleptic or shelf life traits of said product; and sealing said product in a gas impermeable package with said first agent under a positive pressure. - View Dependent Claims (17, 18, 19, 20, 21, 22, 23)
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24. A method of processing a perishable product comprising the steps of
positioning a perishable product in a selectively permeable package under a selected pressure; -
enclosing said permeable package in a chamber containing a first agent; creating a higher pressure in said chamber than is present in said package so as to induce said agent in said chamber to diffuse into the package. - View Dependent Claims (25, 26)
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Specification