Method and apparatus for treating a pH enhanced foodstuff
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United States of America Patent
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May 11, 2004
Grant Date -
Oct 16, 2003
app pub date -
Apr 11, 2002
filing date -
Apr 11, 2002
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Abstract
A method of producing a pH enhanced foodstuff includes increasing the pH of an initial foodstuff, preferably by placing an initial foodstuff in contact with ammonia gas or aqueous ammonia (54) and applying mechanical action to the material (56). After the pH adjustment, the method includes reducing at least the surface temperature of the pH enhanced foodstuff to below the freezing temperature of the pH enhanced foodstuff (58). The method then includes placing the frozen or partially frozen pH enhanced foodstuff in contact with carbon dioxide gas while maintaining the surface temperature of the pH enhanced foodstuff below the freezing temperature of the material (60). The carbon dioxide treatment may be performed in a mixing vessel (24) fitted with agitators (25) and suitable connections for producing a carbon dioxide gas atmosphere in the vessel.
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