Food or edible material: processes – compositions – and products – Products per se – or processes of preparing or treating... – Animal derived material is an ingredient other than extract...
Reexamination Certificate
1999-11-16
2002-04-30
Bhat, Nina (Department: 1761)
Food or edible material: processes, compositions, and products
Products per se, or processes of preparing or treating...
Animal derived material is an ingredient other than extract...
C426S574000, C426S513000, C426S517000
Reexamination Certificate
active
06379738
ABSTRACT:
BACKGROUND OF THE INVENTION
The present invention relates generally to food products. More specifically, the present invention relates to the production of a meat emulsion product having a meat-like appearance and texture, and products so produced.
It is known to produce meat emulsions in the food industry. Meat emulsions are widely used in the production of products such as bologna, frankfurters, and other sausage products. Additionally, such meat emulsion products are used to produce pet foods.
Typically, meat emulsion products are prepared by mixing, chopping, and emulsifying a mixture of raw meat materials such as lean skeletal beef and pork, and meat by-products, with ice, salt, spices, and curing salts in such a manner as to produce an emulsion that contains fine fat particles coated with protein dissolved from meat ingredients. In the case of a sausage product, the resultant meat emulsion is then stuffed into a suitable casing, that serves as a processing mold. The casing is then heated at increasing temperatures, for example 55 C to 77 C, for extended periods of time, which may vary between 1 to 8 hours or more, depending on the volume of meat emulsion being processed.
The heating of the meat emulsion, causes the protein contained therein to coagulate or to set solid. This thereby entraps the fat particles in the protein matrix thereby forming a firm meat emulsion product. The resultant meat emulsion products are a uniform homogeneous mass which contains no discrete particles of meat and retains the shape of the casing when set.
In order to reduce the cost of certain food products to consumers, in recent years, there has been a demand for meat emulsion products that resemble chunks or pieces of natural meat in appearance, texture, and physical structure. Such products are used as a partial or complete replacement for more expensive natural meat chunks in food products such as stews, pot pies, casseroles, canned foods, and pet food products. Chunky meat products are highly desirable in human foods and pet foods, both for aesthetic quality and consumer appeal. These chunky products provide a more economical product which attempts to simulate natural meat chunks in shape, appearance, and texture. It is highly desirable that these products retain their shape, appearance, and texture when subjected to commercial canning and retorting procedures.
Efforts directed to providing such simulated natural meat chunks have included producing such products from vegetable protein sources using extrusion-expansion techniques. Such products have met with some acceptance in the food industry, but they have been limited primarily to use as meat extenders; products produced using vegetable protein sources in an extrusion-expansion procedure lack the appearance and texture of natural meat and therefore are generally not suitable as full substitutes for meat.
Similarly, meat extrusion products, based on meat protein, produced by conventional procedures have not been entirely satisfactory. These products are in the form of a uniform, homogeneous mass, and lack the structure, texture, and appearance of naturalmeat chunks. Therefore, these products are not suitable for use in applications in which the use of simulated meat chunks is desired.
One attempt to improve such meat emulsion products is disclosed in U.S. Pat. No. 4,781,939. This patent discloses processing a meat emulsion under conditions which result in the production of a layered, non-expanded product in the form of chunks or pieces which simulate natural meat chunks in texture, appearance, and consistency. The meat emulsion product is in the form of distinct chunks or pieces having a plurality of juxtaposed, manually separable meat-like layers resembling a chunk of natural meat in appearance, texture, and consistency. The meat emulsion chunks are suitable for use as a partial or complete replacement for more expensive natural meat chunks in both human foods and animal foods. They retain their integrity and shape when subjected to commercial canning and sterilization procedures such as those required in the production of canned, high moisture food products.
Although, the products produced by the methods set forth in U.S. Pat. No. 4,781,939 provide meat emulsion chunks that can be used as a replacement for more expensive natural meat chunks in both human foods and animal foods, such products still do not entirely simulate a meat-like product, and may not have as strong of bite/mouth feel as a real meat chunk. In this regard, such products do not entirely simulate muscle meat which includes a plurality of linear fiber bundles or strands.
Therefore, there is a need for an improved meat emulsion product and method making same.
SUMMARY OF THE INVENTION
The present invention provides improved methods for producing meat emulsion products as well as products so produced. Pursuant to the present invention, meat emulsion products are produced that have realistic fiber definition in contrast to meat emulsions produced heretofore. This fiber definition provides a very realistic meat-like image similar to that of muscle meat. The resultant product also has a stronger bite/mouth feel and is not pasty, mushy or brittle as compared to other meat emulsion products.
To this end, in an embodiment, the present invention provides a meat emulsion product comprising a body defined, at least in part, by a plurality of fiber-like material and comprising at least 29% protein by weight and not more than 6% fat by weight.
In an embodiment of the invention, the product is a pet food.
In an embodiment of the invention, the protein is derived from beef, pork, or poultry meat.
In an embodiment of the invention, the product comprises approximately 52% to about 56% by weight moisture.
In an embodiment of the invention, the meat emulsion includes at least one proteinaceous material. In an embodiment, the proteinaceous material comprises approximately 25% to about 55% by weight of the product.
In another embodiment, the present invention provides a meat emulsion product comprising a body member including protein and fat and having a plurality of linear strands of fiber-like material affording the meat emulsion product a realistic meat-like appearance.
In an embodiment of the invention, the protein comprises approximately 29% to about 31% by weight of the meat emulsion product.
In an embodiment of the invention, the fat comprises approximately 4% to about 6% by weight of the meat emulsion product.
In an embodiment of the invention, the meat emulsion comprises approximately 52% to about 56% by weight moisture.
In yet a further embodiment of the present invention, a method for producing meat emulsion products having a realistic meat-like image is provided. The method comprises the steps of: forming a meat emulsion containing protein and fat; comminuting and heating the emulsion to a temperature of at least 132° F.; introducing the emulsion into a processing zone where it is subjected to a pressure of at least 100 psi; and discharging the emulsion.
In an embodiment of the method, the emulsion, after it is discharged, is subjected to an incomplete shredding. In an embodiment, the incomplete shredding step includes placing the emulsion through compression rolls.
In an embodiment of the method, the meat emulsion includes at least 29% by weight protein and at least 6% by weight fat.
Accordingly, it is an advantage of the present invention to provide an improved meat emulsion product.
Another advantage of the present invention is to provide an improved method for manufacturing meat emulsion products.
Moreover, an advantage of the present invention is to provide a meat emulsion product that simulates muscle meat.
A still further advantage of the present invention is to provide a meat emulsion product that has a very realistic, meat-like image.
A further advantage of the present invention is to provide a meat emulsion product that has a very realistic meat-like image and retains its integrity and shape when subjected to commercial canning and sterilization procedures such as thos
Dingman Steve E.
May Steve G.
Smithey Sheri L.
Bell Boyd & Lloyd LLC
Bhat Nina
Nestec S.A.
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