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Solid milk and method for manufacture thereof

Inactive Publication Date: 2011-09-29
MEIJI CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0026]In accordance with the present invention, suitable powdered milk for manufacturing solid milk can be easily produced by simply dispersing a prescribed gas in liquid milk by a prescribed way. Additionally, the powdered milk produced in this way has superior compaction moldability. By compaction molding this powdered milk, solid milk with suitable hardness for practical use can be produced. Furthermore, hardness of solid milk can be enhanced by performing the humidification process and the drying process.

Problems solved by technology

However, the powdered milk is easily scattered so that it takes time to weigh the powdered milk (that is a low measurement).
However, the problem is that the solid milk is inferior to the powdered milk in solubility due to a small surface area and a low porosity.
On the other hand, if a compaction pressure is low at the time of compaction molding the powdered milk, hardness of the manufactured solid milk decreases and the solid milk is easily destroyed.
Therefore, the problem is that it is difficult to enhance the solubility of the solid milk and still keep the hardness of the solid milk within the range of the utility.
However, it is not easy to control or regulate various things in the step of manufacturing the solid milk.
Especially, in solid milk before the final process (specifically, compaction molded body of powdered milk), hardness is not enough to keep a shape when transporting by a conveyer belt.
As a result of that, the shape (size or weight etc) of solid milk which is finally obtained may not be uniform.

Method used

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  • Solid milk and method for manufacture thereof

Examples

Experimental program
Comparison scheme
Effect test

example 1

[0088]In accordance with the powdered milk manufacturing process indicated by FIG. 2, powdered milk was manufactured. Specifically, liquid milk as an ingredient of powdered milk was obtained by adding milk component, proteins, carbohydrate, minerals and vitamins to water and mixing, further adding and mixing fats (S102). Then, by performing each process such as the clearing, the sterilization, the homogenization, and the concentration, (S104-S110), concentrated milk was obtained from adjusted liquid milk having relatively low concentration.

[0089]Then just before spray drying concentrated milk, a prescribed pressured gas was passed through the said concentrated milk (S112). Specifically, the carbon dioxide which was used as the prescribed gas was poured into the flow path of a spray drier so that the gas could have a constant volume flow, and the gas was mixed continuously with the concentrated milk in seal-up system. As a result, carbon dioxide was being dispersed into the concentra...

example 2

[0114]In Example 2, powdered milk was manufactured as the same as Example 1 except for having set CO2 mix rate as 30 percents in the gas dispersal process. The powdered milk obtained from this method was bulkier than powdered milk in the Comparison Example as described below. The result of component of the manufactured powdered milk was perfectly the same as Example 1. Namely, the component of the obtained powdered milk 100 g comprised fats 18 g, proteins 15 g, carbohydrate 60 g, and others 7 g. In addition, an average particle diameter of powdered milk (no classification state) was 308 micrometers.

[0115]Also, in Example 2 solid milk was manufactured as the same as Example 1. The powdered milk was prepared to make a rectangular parallelepiped as an outward form by the abovementioned single-punch tableting machine. Amount of usage of powdered milk was adjusted to be 5.6 g per solid milk after the compaction molding process. The pressure at the time of compaction molding was 1.8 MPa. ...

example 3

[0118]In Example 3, powdered milk was manufactured as the same as Example 1 except for having set CO2 mix rate as 45 percents in the gas dispersal process. The powdered milk obtained from this method was bulkier than powdered milk in the Comparison Example as described below. The result of component of the manufactured powdered milk was perfectly the same as Example 1. Namely, the component of the obtained powdered milk 100 g comprised fats 18 g, proteins 15 g, carbohydrate 60 g, and others 7 g. In addition, an average particle diameter of powdered milk (no classification state) was 321 micrometers. And then, the powdered milk remained on the sieve of 355 micrometers mesh size was collected. The average particle size of this collected powdered milk was 561 micrometers, and its yield constant (the rate of collected mass to total mass) was 39 percents.

[0119]Also, in Example 3 solid milk was manufactured as the same as Example 1. The powdered milk was prepared to make a rectangular par...

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Abstract

A method for manufacturing solid milk includes a gas dispersal process (S112) for dispersing a prescribed gas into liquid milk; a spray drying process (S114) for obtaining powdered milk by spraying the liquid milk after the gas dispersal process (S112), and drying the sprayed liquid milk; a compaction molding process (S130) for obtaining a solidified compaction molded body of powdered milk produced by compacting powdered milk after the gas dispersal process (S112) and the spray drying process (S114); in which the powdered milk obtained by performing the gas dispersal process (S112) and the spray drying process (S114) is bulkier than the powdered milk obtained without the gas dispersal process (S112).

Description

TECHNICAL FIELD[0001]This application claims a convention priority based on the Japanese Patent Application No, 2008-335154. All of the contents of the application are incorporated herein by reference.[0002]The present invention relates to a method for the manufacturing of solid milk with suitable strength and solubility which can maintain the shape of solid milk at the time of manufacturing of the compaction molded body of powdered milk by using powdered milk which is manufactured by dispersing a prescribed gas, and to such solid milk.BACKGROUND ART[0003]Powdered milk is a powdered product (solid) which is manufactured by removing water from milk. However, the powdered milk is easily scattered so that it takes time to weigh the powdered milk (that is a low measurement). Accordingly, it is suggested that solid milk made of solidified powdered milk by compaction molding the powdered milk is manufactured to enhance the measurement (for example, see a following Patent Document 1 (Japan...

Claims

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Application Information

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IPC IPC(8): A23C9/18
CPCA23C9/18
Inventor TOYODA, IKURUSATAKE, YOSHINORIOHTSUBO, KAZUMITSU
Owner MEIJI CO LTD
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