Food or edible material: processes – compositions – and products – Product with added plural inorganic mineral or element...
Reexamination Certificate
2001-09-20
2003-08-19
Pratt, Helen (Department: 1761)
Food or edible material: processes, compositions, and products
Product with added plural inorganic mineral or element...
C426S453000, C426S516000, C426S549000, C426S580000, C426S618000
Reexamination Certificate
active
06607760
ABSTRACT:
BACKGROUND OF THE INVENTION
Cereal bars are generally known in the art as exemplified by the following publications:
U.S. Pat. No. 4,650,685 to Persson et al. discloses a biscuit comprising agglomerated granules of a cooked-extruded base coated with a binder, the base comprising about 40 to 80 parts by weight of cereal flour, up to 20 parts sucrose and about 0.5 to 3 parts of oil or fat, and the binder comprising about 8 to 30 parts by weight of sucrose and/or mixtures of glucose and its polymers.
WO89/04121 (HEINZ SCHAAF OHG) discloses a process for manufacturing cereals by cooking-extruding a mixture of cereal material, vegetable and/or fruits with a partial amount of sugar and milk, cutting the expanded rope of cooked-extruded mixture into pieces having a large surface, spraying an aqueous suspension of sugar and milk onto the just cut, hot and moist pieces, coating the moistened pieces with a remaining part of components in powder form and drying the coated pieces.
Despite the existence of these publications, there still remains a need for improvements in such products, and the present invention satisfies this need.
SUMMARY OF THE INVENTION
The present invention provides a ready-to-eat cereal bar comprising amylaceous material, sugar and milk solids, which is nutritionally valuable and may represent a complete meal just as it is. The present invention also provides a process for manufacturing such a ready-to-eat food bar.
The ready-to-eat food bar consists of agglomerated particles and/or flakes of one or more cooked-extruded bases mainly comprising amylaceous materials and milk solids which are coated with a binder mainly comprising sugar, milk solids and a binding agent.
The process for manufacturing the ready-to-eat food bar consists of preparing a dry mixture of particles and/or flakes of one or more cooked-extruded bases mainly comprising amylaceous materials and milk solids, mixing the dry mixture with a binder mainly comprising sugar, milk solids and a binding agent, and forming the mass thus obtained into a bar shape.
The expression “nutritionally valuable” means a food bar which is rich in milk protein and calcium. Typically, such products are based on amylaceous materials and sugar and, in the present invention, especially comprise, in percent by weight, 5.5 to 27.5% of non-fat milk solids and about 2.5 to 12.5% of milk fat and/or vegetable fat.
As a whole, beside a few percent of each of residual water, ash, dietary fibers and binding agent, the present bar may generally comprise, in percent by weight, about 6 to 18% of protein, about 60 to 80% of available carbohydrate and about 2.5 to 15% of fat.
It has surprisingly been found that it was possible in this way to provide a food bar which is ready-to-eat just as it is, while being nutritionally valuable, comprising amylaceous materials, sugar, milk solids and calcium.
It has been found that it is better to incorporate the milk solids into the food bar in two parts, a first part being incorporated into the cooked-extruded bases and a second part being incorporated into the binder.
It has also been found that with a preferred high content of milk solids, more than 16% of whole milk solids, which means from more than about 11% non-fat milk solids and more than about 5% milk fat, it is still possible to obtain cooked-extruded-expanded bases which have a fine, porous, crunchy, smooth, melt-in-the mouth and texture which is not hard.
The food bar may comprise from 5.5 to 27.5%, and preferably more than 11 to 27.5% of non-fat milk solids, from 2.5 to 12.5%, and preferably more than 5 to 10% and more preferably more than 5 to 12.5% of milk fat and/or vegetable fat, from 30 to 60% of amylaceous material, from 5 to 30% of sugar, from 0.2 to 1.5% of binding agent and from 1 to 8%, and preferably from 1 to 4% of residual water.
In addition to the calcium already present in the milk solids, the food bar may further comprise up to 3% of additional calcium, preferably in the form of calcium carbonate. The food bar may also comprise added vitamins, oligoelements, sodium chloride and/or a source of dietary fibers.
The non-fat milk solids in the cooked-extruded bases may be powdered skimmed milk. The milk fat and/or vegetable fat in the cooked-extruded bases may be butter oil, vegetable oil or fat which may act as lubricating agent in the cooking-extruding process. The milk solids in the binder may be whole milk powder.
The amylaceous material may be cereal flour, a starch and/or maltodextrin, for example. The cereal flour may be wheat, barley, oat, rice and/or corn. The starch may be a native starch from wheat, barley, rice, tapioca, potato and/or corn, especially waxy corn. The sugar may be sucrose, dextrose and/or fructose. Beside sugar, milk solids and a binding agent, the binder may further comprise glycerin. The binding agent may be a polysaccharide or a gum such as gum-arabic, for example. The source of dietary fiber may be a cereal bran.
A preferred embodiment of the present ready-to-eat food bar consists of agglomerated particles and/or flakes of different bases mainly comprising different cereals beside milk solids, especially a cooked-extruded-expanded base mainly comprising rice flour, a cooked-extruded-expanded base mainly comprising wheat flour and wheat starch, and/or a cooked-extruded and flaked base mainly comprising corn flour and corn starch.
The present product has the shape of a bar, especially a bar having a rectangular, oval or circular cross section. Preferably, the food bar has a chewy texture.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS
The process for manufacturing a ready-to-eat food bar consists of preparing a dry mixture of particles and/or flakes of one or more cooked-extruded bases mainly comprising amylaceous materials and milk solids, mixing the dry mixture with a binder mainly comprising sugar, milk solids and a binding agent, and forming the mass thus obtained into a bar shape.
Preparing Particles of a Cooked-extruded-expanded Base
Particles of a cooked-extruded-expanded base mainly comprising amylaceous materials and milk solids may be obtained by cooking-extruding-expanding at 120 to 1 70° C. under 40 to 160 bar for 5 to 50 s, a mixture comprising, in parts by weight, from 5.5 to 27.5 parts, preferably from more than 11 to 22 parts and more preferably from more than 11 to 27.5 parts of non-fat milk solids, from 2.5 to 12.5 parts, preferably from more than 5 to 10 parts and more preferably from more than 5 to 12.5 parts of milk fat and/or vegetable fat, from 50 to 80 parts of amylaceous material, up to 12 parts sugar, and added water up to a water content of from 11 to 19% by weight of the mixture, such a water content being adequate for obtaining a correct expansion after cooking-extruding the mixture, thus obtaining a rope of a thermoplastic mass having a porous texture, cutting the rope into pieces and optionally drying them down to a residual water content of from 1 to 4%.
The mixture may further comprise up to 3 parts of additional calcium, preferably in form of calcium carbonate, in addition to the calcium already present in the non-fat milk solids, for example. The mixture may also further comprise added vitamins, oligoelements and sodium chloride.
The mixture may be prepared by first mixing together powdery components to obtain a dry mix and then mixing together the dry mix and liquid or fluid components. This mixing step may be carried out in a first mixing section of a traditional food extruder, especially a twin screw extruder.
Cooking the mixture may then be carried out in subsequent sections of the extruder where the mixture is heated, compressed and sheared so that it forms a cooked thermoplastic mass. The thermoplastic mass may be extruded by having it pushed by the extruder screw or twin screw through the openings of a die provided for at an end of the extruder. The die may have one or more circular openings having of from 2 to 5 mm in diameter.
The thermoplastic mass may be expanded by extruding it through the die into an open space at ambient temperature and at atmosph
Burri Joseph
Daenzer-Alloncle Martine
Desjardins Jean-Jacques
Neidlinger Sylke
Nestec S.A.
Pratt Helen
Winston & Strawn
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