A - Human Necessities – 23 – K
Patent
A - Human Necessities
23
K
99/24.5
A23K 1/00 (2006.01) A23K 1/18 (2006.01) A23N 17/00 (2006.01)
Patent
CA 1189740
PUFFED SOFT MOIST PET FOOD PRODUCT HAVING AN EXPANDED SHELL WITH A DENSE CENTER AND PROCESS OF PRODUCING THE SAME Abstract of the Disclosure This invention relates to a soft moist pet food product comprising particles having an expanded shell with a dense, elastic structure in the center of the product and a process for producing the same. The product is formulated from a proteinaceous-farinaceous mixture having a level of farinaceous component of at least about 40% by weight of the pet food product, typically 60 to 85% by weight of the pet food product. The moisture content is adjusted to a level sufficient to extrude the mixture and extruded under conditions of elevated temperature and pressure sufficient to convert the mixture to a thermoplastic or flowable state. The mixture while in a flowable condition is extruded through a restricted orifice into a confinement zone and confined while in a flowable state. The mixture in this condition is injected into a com- pression zone wherein the mixture is cooled to a product tem- perature of about 100 - 180°F, compressed and formed into a product having a dense elastic structure. The dense product is then heated wherein the exterior surface of the product is expanded to provide a product of reduced bulk density having an expanded shell but retaining a dense elastic interior.
402190
Bosko Michael S.
Kummer Charles K.
Sachs Jerome A.
Meredith & Finlayson
Ralston Purina Company
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