Controlled headspace gas packaging of aseptic dairy products

Details Controlled headspace gas packaging of aseptic dairy products Controlled headspace gas packaging of aseptic dairy products

A - Human Necessities

23

C

99/74

A23C 3/023 (2006.01) A23C 3/08 (2006.01)

Patent

CA 1306141

TITLE OF THE INVENTION: CONTROLLED HEADSPACE GAS PACKAGING OF ASEPTIC DAIRY PRODUCTS ABSTRACT OF THE DISCLOSURE: A process is disclosed for the aseptic packaging of fluid dairy products having improved stability and flavor. A selected gas is injected into the sterile milk or other fluid dairy product. The resulting milk-gas mixture is then filled into a container under aseptic conditions. The fill volume of the mixture is such as to leave no free space in the container when it is closed. However, on standing the gas and the milk separate, to form a gas-filled headspace. The injection gas is preferably nitrogen. For taste improvement, the gas may be selected so that the oxygen content of the fluid dairy product, when the container is closed, is up to 4 ppm to 5 ppm. The headspace is preferably from about 2% to about 6% of the total volume of the container.

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