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Concentrated milk protein liquid and preparation method thereof

A technology of milk protein and concentrated liquid, which is applied in the field of concentrated milk protein liquid and its preparation, can solve the problems of long supply cycle, large price fluctuation, high transportation risk, etc., and achieve the effect of extending shelf life

Active Publication Date: 2020-05-26
INNER MONGOLIA YILI INDUSTRIAL GROUP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to factors such as long supply cycle, high transportation risk, and large price fluctuations, foreign companies have decided that it is imminent to develop high-quality protein raw materials to replace imported protein powder; in addition, the market demand for oil and fat products continues to increase, and it is urgent to study the deep processing of milk and dairy products field, develop high-profit products such as whipped cream and caseinate, so as to broaden market sales channels and increase corporate profitability

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] This embodiment provides a kind of preparation method of concentrated milk protein liquid, specifically comprises the following steps:

[0033] (1) Raw milk shall be stored in the raw milk warehouse after passing the inspection according to GB 19302 at a storage temperature of 3.9°C for 7.5 hours;

[0034] (2) Preheat raw milk to 55°C, and use a sterilizing separator to sterilize;

[0035] (3) Entering the above-mentioned sterilized raw milk into a centrifuge for milk fat separation to obtain skim milk, controlling the separation efficiency of the separator so that the fat content of the skim milk is 0.06%;

[0036] (4) Use a pasteurization system to pasteurize the skim milk, the sterilization condition is 75°C / 15s, and then cool to 5.6°C for storage;

[0037] (5) Transport skim milk to UF (Ultrafiltration Membrane) equipment, and control the material feed temperature and system operating temperature by setting the concentration factor, so that the water, lactose, and ...

Embodiment 2

[0047] This embodiment provides a kind of preparation method of concentrated milk protein liquid, specifically comprises the following steps:

[0048] (1) Raw milk shall be stored in the raw milk warehouse after passing the inspection according to GB 19302 at a storage temperature of 5.4°C for 10.5 hours;

[0049] (2) Preheat raw milk to 55°C, and use a sterilizing separator to sterilize;

[0050] (3) Entering the above-mentioned sterilized raw milk into a centrifuge for milk fat separation, controlling the separation efficiency of the separator so that the fat content of the skim milk is 0.05%;

[0051] (4) Use a pasteurization system to pasteurize the skim milk, the sterilization condition is 85°C / 15s, and then cool to 6.2°C for storage;

[0052](5) Transport skim milk to UF (Ultrafiltration Membrane) equipment, and control the material feed temperature and system operating temperature by setting the concentration factor, so that the water, lactose, and ash in the skim milk...

Embodiment 3

[0061] This embodiment provides a kind of preparation method of concentrated milk protein liquid, specifically comprises the following steps:

[0062] (1) Raw milk shall be stored in the raw milk warehouse after passing the inspection in accordance with GB 19302 at a storage temperature of 4.8°C for 5.3 hours;

[0063] (2) Preheat raw milk to 65°C, and use a sterilizing separator to sterilize;

[0064] (3) Entering the above-mentioned sterilized raw milk into a centrifuge for milk fat separation, controlling the separation efficiency of the separator so that the fat content of the skim milk is 0.10%;

[0065] (4) Use a pasteurization system to pasteurize the skim milk, the sterilization condition is 90°C / 15s, and then cool to 5.0°C for storage;

[0066] (5) Transport skim milk to UF (Ultrafiltration Membrane) equipment, and control the material feed temperature and system operating temperature by setting the concentration factor, so that the water, lactose, and ash in the ski...

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Abstract

The invention provides a concentrated milk protein liquid and a preparation method thereof. The preparation method comprises the following steps: preheating and sterilizing raw milk; enabling the degermed raw milk to enter a centrifugal separator for milk-fat separation to obtain skimmed milk; carrying out first pasteurization on the skimmed milk; carrying out ultrafiltration concentration on theskimmed milk to remove water, lactose and ash in the skimmed milk along with the penetrating fluid to obtain a concentrated solution; and carrying out secondary pasteurization on the concentrated solution to obtain a concentrated milk protein liquid. The invention also provides the concentrated milk protein liquid prepared by the method. According to the invention, the working procedure of combining low-temperature concentration and reverse osmosis water washing and filtering and reasonable post-pasteurization are adopted, so that the problems of serious whey protein denaturation, tube pastingand short shelf life of a high-protein product can be solved under the condition of obtaining the concentrated milk protein liquid with higher protein index and better nutritional value and flavor.

Description

technical field [0001] The invention relates to the field of deep processing of milk and dairy products, in particular to a concentrated milk protein liquid and a preparation method thereof. Background technique [0002] Concentrated milk protein liquid is made of raw milk, after milk cleaning, sterilization, separation and degreasing, pasteurization, ultrafiltration and concentration, etc., after removing part of the fat, water, lactose, ash, and then "post-pasteurization" Dairy products prepared by other processes are used as high-quality protein sources in fermented milk, milk beverages, modulated milk, neutral milk and other products. [0003] At present, the sources of protein added to dairy products in the domestic and foreign markets are mainly whey protein powder and milk protein powder; especially domestic dairy companies rely more on imported companies such as Ala and Fonterra that have protein raw material production and supply capabilities . However, due to fac...

Claims

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Application Information

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IPC IPC(8): A23J1/20
CPCA23J1/20
Inventor 张瑞阳巴根纳王彦平李伟
Owner INNER MONGOLIA YILI INDUSTRIAL GROUP CO LTD
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