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Ultrahigh-temperature sterilized milk, cow milk processing method for improving stability of ultrahigh-temperature sterilized milk and application of ultrahigh-temperature sterilized milk

A technology of ultra-high temperature sterilization and processing method, applied in the field of liquid dairy products, can solve the problem that the number of breast infected somatic cells cannot be effectively reduced, and achieve the effects of reducing the risk of microbial growth, improving stability and simplifying the production process.

Pending Publication Date: 2022-05-24
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, the above-mentioned existing methods still cannot effectively reduce the number of mammary gland infected somatic cells in bovine milk

Method used

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  • Ultrahigh-temperature sterilized milk, cow milk processing method for improving stability of ultrahigh-temperature sterilized milk and application of ultrahigh-temperature sterilized milk
  • Ultrahigh-temperature sterilized milk, cow milk processing method for improving stability of ultrahigh-temperature sterilized milk and application of ultrahigh-temperature sterilized milk
  • Ultrahigh-temperature sterilized milk, cow milk processing method for improving stability of ultrahigh-temperature sterilized milk and application of ultrahigh-temperature sterilized milk

Examples

Experimental program
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Effect test

Embodiment 1

[0053] The present embodiment provides a milk processing method for improving the stability of ultra-high temperature sterilized milk, which specifically includes the following steps:

[0054] (1) Raw milk inspection;

[0055] (2) Milk collection: the operating temperature is 1-6°C;

[0056] (3) Filtration: use a 30-mesh double filter;

[0057] (4) Sterilization separation and cream backfilling: use a sterilization separator (Tetra Pak sterilization separator) to operate, the centrifugal speed of the sterilization separator is 5500r / min, and the slag discharge frequency is 20min / time; the cream is backfilled The operation is performed at the time of sterilization separation (ie, backfilling while separating);

[0058] (5) Standardization: adopt the concentration method of membrane filtration to concentrate and separate the milk obtained in step (4);

[0059] (6) Storage: the storage temperature is 1-8℃;

[0060] (7) Ultra-high temperature sterilization: the temperature is ...

Embodiment 2

[0066] In this example, the sterilizing separator and the inspection index used in the milk processing method of Example 1 are specifically described as follows.

[0067] 1. Sterilization separator

[0068] The basic principle of the sterilizing separator used in this embodiment is that milk is fed from the inlet by gravity, while the cream and skim milk are discharged under normal pressure, and then mixed in the pipeline to control a certain amount to achieve standardization. Waste fluid containing mammary gland infected somatic cells is discharged from the slag outlet (see figure 1 ).

[0069] 2. Inspection indicators

[0070] (1) Removal rate of mammary gland infected somatic cells: In order to maximize the removal rate of mammary gland infected somatic cells, the present invention carried out a centrifugal speed optimization experiment at the beginning of the design (see figure 2 ), the initial content of mammary gland infected somatic cells is 4.8×10 5 cells / mL, with...

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Abstract

The invention provides ultrahigh-temperature sterilized milk, a milk processing method capable of improving the stability of the ultrahigh-temperature sterilized milk and application of the ultrahigh-temperature sterilized milk. The cow milk processing method at least sequentially comprises the following steps: carrying out sterilization and separation treatment on raw milk, backfilling single cream generated by the sterilization and separation treatment into feed liquid, and carrying out ultra-high temperature sterilization treatment. The milk processing method can effectively remove mammary gland infected somatic cells, so that the stability of the ultrahigh-temperature sterilized milk is improved.

Description

technical field [0001] The invention belongs to the technical field of liquid dairy products, in particular to an ultra-high temperature sterilized milk and a milk processing method and application for improving the stability thereof. Background technique [0002] The udder or mammary gland is the organ that mammals use to nourish their offspring. Through genetic selection and advances in milking technology, cow mammary glands produce far more milk than the calf can consume, and in more quantities than the original organs can hold. Machine milking puts unnatural pressure on the udders, increasing the rate of mammary gland infections in these cows, and somatic cells (SCs) are released into the milk in order to counteract mammary gland infections. All developed countries are using milk somatic cell counts (SCC) as a marker to monitor the prevalence of mastitis in dairy herds, as a general indicator of raw milk quality and milk hygiene status on farms. The increase of mammary...

Claims

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Application Information

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IPC IPC(8): A23C7/04A23C3/03
CPCA23C7/046A23C7/04A23C3/03
Inventor 杨瑞冬韩之皓巴根纳王彦平佟晶晶
Owner INNER MONGOLIA YILI INDUSTRIAL GROUP CO LTD
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