Milk substitute and its manufacturing method

Abstract

To provide a substitute milk which is prevented from agglomeration even during storage at low temperature and a production method thereof.SOLUTION: A substitute milk contains sepiolite.SELECTED DRAWING: None

Description

[Technical field]

[0001] The present invention relates to a milk replacer and a method for producing the same. [Background technology]

[0002] In the production of young livestock such as calves, piglets, and baby goats, and in the raising of other young animals, it is common to feed them artificial milk replacers instead of mother's milk. From the viewpoints of nutrition and palatability, these milk replacers are produced by mixing milk components such as skim milk powder and dried whey with fats and oils, sugars, grains, vitamins, minerals, etc., and are fed to the animals after dissolving or emulsifying them in water or warm water.

[0003] Milk replacers that contain a large amount of fats and oils are high in calories and can promote early growth, but they have problems such as poor solubility in water or warm water and poor emulsion stability.Furthermore, especially under high temperature conditions in summer, the fats and oils melt and solidify repeatedly due to temperature differences during storage, causing the powder to solidify. To date, proposals have been made for a milk substitute made by spraying a mixed vegetable oil exhibiting a specific SFC onto a powdered raw material mainly composed of milk components and granulating it (Patent Document 1), and a milk substitute composition made by spraying water onto a mixture of raw milk substitute ingredients consisting of a milk protein raw material, powdered oil, etc., and granulating it in a fluidized bed (Patent Document 2). [Prior art documents] [Patent documents]

[0004] [Patent Document 1] JP 2003-189799 A [Patent Document 2] JP 2006-94710 A Summary of the Invention [Problem to be solved by the invention]

[0005] However, it has been found that even with the conventional technology, there is a problem in that the milk replacer solidifies during storage, particularly during storage at low temperatures. Accordingly, the present invention relates to providing a milk replacer that is prevented from caking even during storage at low temperatures, and a method for producing the same. [Means for solving the problem]

[0006] As a result of extensive research aimed at solving this problem, the present inventors discovered that by adding sepiolite to a milk replacer, solidification can be prevented even during storage at low temperatures, and thus completed the present invention.

[0007] That is, the present invention solves the above problems by providing a milk replacer that contains sepiolite. The present invention also solves the above problems by providing a method for producing a milk replacer, which method comprises a step of mixing a raw material for the milk replacer with sepiolite. Effect of the Invention

[0008] According to the present invention, it is possible to provide a milk replacer that is less likely to solidify even when stored at low temperatures. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0009] The milk replacer of the present invention contains sepiolite. Sepiolite is a clay mineral whose main components are silica and magnesium. Sepiolite is also called sepioite or meerschaum. Sepiolite is porous and has a fibrous form with a large specific surface area, and is often white, grayish white, pale blue, etc. Known places of origin for sepiolite include Spain, America, France, Morocco, Turkey, etc., but the present invention is not particularly limited, and sepiolite from any place of origin can be used. The specific surface area of ​​sepiolite is set to 200-300m to prevent solidification during storage. 2 From the same viewpoint, the bulk density is preferably 100 to 220 g / L. Commercially available sepiolite products include, for example, Aid Plus FJ (manufactured by Mizusawa Industrial Chemicals Co., Ltd.) and Miraclay 300 (manufactured by Omi Mining Co., Ltd.).

[0010] The content of sepiolite in a milk replacer can be adjusted as appropriate depending on the properties of the raw materials contained in the milk replacer and the amount of fats and oils in the milk replacer, as described below; however, generally, from the standpoint of preventing solidification during storage and ensuring ease of handling of the milk replacer, it is preferable that the content of sepiolite in the milk replacer before being added is at least 0.30% by mass (exclusive), preferably in the range of 0.50 to 1.00% by mass, and further preferably in the range of 0.75 to 1.00% by mass. Furthermore, as described below, when the milk substitute contains fats and oils, from the same viewpoint, the content of sepiolite in the milk substitute is preferably in the range of 1.2 to 4.0 mass%, more preferably 2.0 to 4.0 mass%, and even more preferably 2.0 to 3.0 mass%, relative to the fats and oils. In this specification, the contents of sepiolite and fats and oils in a milk replacer can be measured by analyzing the minerals contained in sepiolite, and the contents of the latter can be measured by an acid decomposition method or a chloroform-methanol mixed liquid extraction method.

[0011] In addition to sepiolite, the milk substitute of the present invention may appropriately contain milk powders such as skim milk powder and whole milk powder, whey protein concentrate (WPC), dried whey, and other milk components; proteins such as soybean meal, concentrated soybean protein, wheat protein, casein, gluten, and other proteins or their modified products and hydrolysates; oils and fats such as powdered oils and fats; sugars such as glucose, oligosaccharides, and lactose; and powdered raw materials such as vitamins, minerals, emulsifiers, seasonings, and spices. Of these, it is preferable to contain milk components and oils and fats from the viewpoint of nutrition and taste. When a milk substitute contains a milk component, the content of the milk component in the milk replacer is preferably 29.5% by mass or more, and more preferably 50 to 95% by mass. When fats and oils are contained, the content of the fats and oils in the milk replacer is preferably 15 to 40% by mass, more preferably 17 to 35% by mass.

[0012] In the present invention, the oil is preferably a powdered oil obtained by powdering oil, and more preferably a powdered oil containing vegetable oil. The vegetable oil is not particularly limited in terms of raw material or refinement as long as it is approved for use as an edible oil, and examples of the vegetable oil include palm-derived oils such as palm oil, palm kernel oil, and palm olein oil; coconut oil or fractionated oils thereof; and medium-chain fatty acid triglycerides. The content of the oil and fat in the powdered oil and fat is preferably 40 to 80% by mass, more preferably 45 to 65% by mass, from the viewpoints of calorie satisfaction, powderization and storage stability. Powdered oils and fats can be prepared by a known method by appropriately combining the oils and fats with other ingredients as necessary, such as emulsifiers, milk powders, sugars, polysaccharides (dextrin, gums, etc.), silica, silicic acid, sodium caseinate, etc.

[0013] The milk replacer of the present invention can be produced by combining sepiolite with other raw materials for milk replacer appropriately, and any suitable method can be used. For example, it can be produced by mixing the raw materials for milk replacer with sepiolite. The order of mixing each component is not particularly limited. It may also be granulated. In the case of granulation, the timing of mixing sepiolite is not particularly limited, and the raw material for the milk substitute containing sepiolite may be granulated, or the raw material for the milk substitute may be granulated and then the granulated product and sepiolite may be mixed. In particular, the milk substitute of the present invention is preferably obtained by a manufacturing method including a step of granulating the raw material for the milk substitute and a step of mixing the granulated product and sepiolite. By mixing sepiolite after granulating the raw material for the milk substitute, a milk substitute with a smoother granular shape and good fluidity can be obtained. In addition, since it is difficult to solidify even after storage at low temperature, the smooth granular state can be maintained. The milk substitute raw material may contain the powdered raw materials described above as appropriate.

[0014] In the present invention, the granulation method is preferably a wet granulation method, and more preferably a fluidized bed granulation method, from the viewpoint of firmly binding the raw materials for the milk substitute with a binder and carrying out granulation more efficiently. In the fluidized bed granulation method, it is preferable to granulate the raw material for the milk substitute by spraying a binder solution while fluidizing the raw material with hot air at 80°C to 120°C. The binder solution is not particularly limited, but examples thereof include solutions containing water, an emulsifier, dextrin, and the like. The total amount of the binder solution to be sprayed is preferably 3 to 20% by mass, more preferably 5 to 14% by mass, based on the raw material for the milk substitute.

[0015] After spraying the binder solution, an emulsifier solution may be further sprayed immediately before the drying step of the fluidized bed granulation from the viewpoints of preventing adhesion to the container wall, improving dispersibility and solubility in water or warm water, and antifoaming effect. The emulsifier solution preferably contains 1 to 50% by mass of an emulsifier, and is sprayed at 0.01 to 2% by mass, and further at 0.1 to 1% by mass, as an emulsifier to the dairy substitute raw material.

[0016] After the fluidized bed granulation, the mixture is dried. If necessary, the mixture may be sized. The drying step may be carried out simultaneously with the granulation step.

[0017] The milk replacer of the present invention obtained by granulation has a smooth granular shape, and preferably has a 50% median diameter of approximately 190 μm calculated from the passing weight percentage when sieved using an air jet sieve (Air Jet Sieve 200LS-N: manufactured by Hosokawa Micron Corporation) using a sieve mesh with openings of 105 μm to 850 μm.

[0018] The type of livestock to which the milk replacer of the present invention is fed is not particularly limited, and examples thereof include young livestock such as calves, piglets, baby goats, and foals; and other young animals such as puppies and kittens. It is particularly suitable for young livestock. EXAMPLES

[0019] The present invention will be specifically described below with reference to examples, but the present invention is not limited to these in any way.

[0020] Example 1 and Comparative Examples 2 to 3 [Preparation of milk replacer] The test ingredients shown in Table 2 were each mixed at 1.00 mass% to 300 g of the basal cow milk replacer shown in Table 1. The content of each test ingredient in the cow milk replacer was 4.0 mass% based on the fats and oils in the cow milk replacer.

[0021] [Table 1]

[0022] [Caking evaluation test] 300 g of each of the basal cow's milk replacer (additive-free) and the cow's milk replacer prepared above was placed in a polyethylene bag and stored in a refrigerator at 4°C for 14 hours. After storage, the state of solidification was visually evaluated according to the following criteria. The results are shown in Table 2.

[0023] 〇: No clumps observed △: Small lumps of 1-2 cm observed ×: Observation of 3-5cm lumps

[0024] [Table 2]

[0025] As shown in Table 2, no caking was observed in milk replacers containing sepiolite, even when stored at a low temperature of 4°C. On the other hand, milk replacers containing acid clay and bentonite caused caking at a low temperature of 4℃.

[0026] Examples 2 to 4 [Preparation of milk replacer] Sepiolite was mixed in amounts of 0.50 mass%, 0.75 mass%, and 1.00 mass% as shown in Table 3 to 300 g of the basal cow milk replacer shown in Table 1. The contents of sepiolite in the cow milk replacer were 2.0 mass%, 3.0 mass%, and 4.0 mass%, respectively, relative to the fats and oils in the cow milk replacer.

[0027] [Caking evaluation test] A caking evaluation test was carried out on the cow milk replacer not containing sepiolite (additive-free) and the cow milk replacer prepared above in the same manner as in Example 1. The results are shown in Table 3.

[0028] [Table 3]

[0029] As shown in Table 3, milk replacer containing sepiolite prevented caking when stored at a low temperature of 4°C.

[0030] Examples 5 and 6 [Preparation of milk replacer] A milk substitute powder mixture was prepared by mixing 46 parts by mass of powdered oil and fat, 5% by mass of wheat gluten enzymatic hydrolysis product, 44.5% by mass of milk-derived raw materials, and 4.5% by mass of sugars, vitamins, and minerals in total with a stirring mixer until uniform. 100 parts by mass of the obtained milk substitute powder mixture was put into a fluidized bed granulator (product name "Mixgrad"; manufactured by Okawara Seisakusho Co., Ltd.), and while fluidizing the milk substitute powder mixture with hot air at 100 ° C., hot water at 60 ° C. was sprayed at a spray rate of 0.034 parts by mass / second to granulate. The total amount of sprayed hot water was 10 parts by mass, and the amount was sprayed until it reached 10 parts by mass relative to the weight of the milk substitute powder mixture. After the spraying of hot water was completed, the mixture was dried for another 5 minutes, and then removed from the fluidized bed granulator and mixed with 0.75% by mass of sepiolite shown in Table 4 to obtain a cow's milk substitute. The content of sepiolite in the cow's milk replacer was 3.0 mass % relative to the fats and oils in the cow's milk replacer.

[0031] [Caking evaluation test] A caking evaluation test was carried out on the cow milk replacer not containing sepiolite (additive-free) and the cow milk replacer prepared above in the same manner as in Example 1. The results are shown in Table 4.

[0032] [Table 4]

[0033] As shown in Table 4, no caking was observed in the milk replacer containing sepiolite even when stored at a low temperature of 4°C.

Claims

1. A milk substitute containing sepiolite.

2. 2. The milk replacer according to claim 1, wherein sepiolite is contained in an amount of 0.30% by mass or more based on the amount of the milk replacer before the incorporation of sepiolite.

3. 3. The milk substitute according to claim 1 or 2, further comprising powdered oil or fat.

4. The milk substitute according to claim 3, wherein the content of sepiolite is 1.2 to 4.0% by mass based on the fats and oils in the milk substitute.

5. A method for producing a milk replacer, comprising a step of mixing a raw material for a milk replacer with sepiolite.

6. 6. The method for producing a milk replacer according to claim 5, wherein the raw material for the milk replacer is granulated, and then the granulated material is mixed with sepiolite.

7. 7. The method for producing a milk replacer according to claim 6, wherein the granulation method for the raw material for the milk replacer is a fluidized bed granulation method.

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