Food or edible material: processes – compositions – and products – Processes – Packaging or treatment of packaged product
Patent
1986-12-15
1989-05-16
Weinstein, Steven
Food or edible material: processes, compositions, and products
Processes
Packaging or treatment of packaged product
165 87, 415 73, 417 67, 426400, 426521, 426523, 426402, 426509, 99470, 99355, 99478, 99483, A23L 322
Patent
active
048308650
ABSTRACT:
A method and apparatus are disclosed for continuously and gently aseptically processing a food product comprising delicate food chunks of fruit, vegetables or the like immersed in a liquid. The apparatus comprises a heating enclosure into which the food product and a nonsterile gas are introduced and the food product heated to a sterilization temperature, and a holding enclosure which may be integral with or separate from the heating enclosure for holding the food product and a sterile gas introduced therein at the sterilization temperature for a predetermined time. The apparatus further preferably comprises a cooling enclosure for cooling the food product. Although the heating, holding and cooling enclosures are preferably separate enclosures provided with rotatable helical feed pumps in product communication with one another for feeding the food product and a gas through the enclosures in succession, the heating, holding and cooling functions may be achieved in a single enclosure through which the food product and gas are fed by a single helical pump. In a preferred embodiment, a first separator is interposed between the heating and holding enclosures for separating a nonsterile gas from the food product. The food product and an added sterile gas are fed into the rotatable helical feed pump in the holding enclosure. A second separator receives the aseptic food product from the rotatable helical feed pump in the cooling enclosure for separating the aseptic gas and a portion of the liquid from the food product to produce aseptic food chunks which are then fed along with a predetermined quantity of the aseptic liquid to any suitable container filling machine.
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Athey Roderick E.
McFarlane Donald P.
Graham Corporation
Weinstein Steven
LandOfFree
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