Edible pre-formed film barrier materials

Details Edible pre-formed film barrier materials Edible pre-formed film barrier materials

A - Human Necessities

23

L

99/13

A23L 1/00 (2006.01) A21D 13/00 (2006.01) A21D 13/08 (2006.01) A23B 4/10 (2006.01) A23G 3/34 (2006.01)

Patent

CA 1267806

EDIBLE PRE-FORMED FILM BARRIER MATERIALS ABSTRACT An edible pre-formed film for retarding moisture transfer among components of food having different vapor pressures, comprising a hydrophilic polymer layer and a lipid layer adhered to the hydrophilic polymer layer such that the film has a thickness in the range of 0.035 to 0.150 millimeters. The lipid layer has a concentration of at least approximately 0.8 milligrams of lipid per square: centimeter of hydrophilic polymer layer. The exposed surface of the lipid layer is oriented toward the higher vapor pressure component of the food whereby when the film is placed between components of food having different vapor pressures, the film can maintain the existing vapor pressure gradient for substantial periods of time, thereby retarding moisture transfer among the food components.

486438

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