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Fresh milk and production process thereof

A production process and fresh milk technology, applied in milking devices, milk preparations, other dairy products, etc., can solve the problems of easy damage and poor stability of active ingredients, achieve the purpose of retaining active ingredients, improving bactericidal effect, optimizing Effect of centrifugation temperature

Pending Publication Date: 2021-06-08
INNER MONGOLIA MENGNIU DAIRY IND (GRP) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] For this reason, what the present invention intends to solve is the defect that the active ingredients of existing fresh milk are easily damaged and the stability is not good, thereby providing a kind of fresh milk and its production process

Method used

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  • Fresh milk and production process thereof
  • Fresh milk and production process thereof
  • Fresh milk and production process thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0046]The present embodiment provides a kind of production technology of fresh milk, as figure 1 shown, including the following steps:

[0047] (1) Selection of raw milk: the number of bacteria in the selected raw milk is ≤100,000 cfu / g, the number of somatic cells is ≤50,000 / g, other requirements meet the national food safety standard "Raw Milk" of GB19301, and the raw milk is stored at 4°C refrigeration;

[0048] (2) Centrifugal sterilization: After the raw milk is cleaned by a milk cleaner, it is sterilized by a centrifugal sterilizer with a centrifugal speed of 5000r / min and a centrifugal temperature of 40°C. The milk cleaning here is a conventional pretreatment process, which refers to the removal of Mechanical impurities, dust, cell debris, etc. in the product effectively control the cleanliness of milk. The milk cleaning is carried out in the milk cleaning machine;

[0049] (3) Homogenization of raw milk: The raw milk after centrifugal sterilization is homogenized by ...

Embodiment 2

[0052] The present embodiment provides a kind of production technology of fresh milk, as figure 1 shown, including the following steps:

[0053] (1) Selection of raw milk: the number of bacteria in the selected raw milk is ≤100,000 cfu / g, the number of somatic cells is ≤50,000 / g, other requirements meet the national food safety standard "Raw Milk" of GB19301, and the raw milk is stored at 4°C refrigeration;

[0054] (2) Centrifugal sterilization: After the raw milk is cleaned by a milk cleaner, it is sterilized by a centrifugal sterilizer, with a centrifugal speed of 3000r / min and a centrifugal temperature of 2°C. The milk cleaning here is a conventional pretreatment process, which refers to the removal of bacteria. Mechanical impurities, dust, cell debris, etc. in the product effectively control the cleanliness of milk. The milk cleaning is carried out in the milk cleaning machine;

[0055] (3) Homogenization of raw milk: The raw milk after centrifugal sterilization is homo...

Embodiment 3

[0058] The present embodiment provides a kind of production technology of fresh milk, as figure 1 shown, including the following steps:

[0059] (1) Selection of raw milk: the number of bacteria in the selected raw milk is ≤100,000 cfu / g, the number of somatic cells is ≤50,000 / g, other requirements meet the national food safety standard "Raw Milk" of GB19301, and the raw milk is stored at 4°C refrigeration;

[0060] (2) Centrifugal sterilization: After the raw milk is cleaned by a milk cleaner, it is sterilized by a centrifugal sterilizer with a centrifugal speed of 6000r / min and a centrifugal temperature of 65°C. The milk cleaning here is a conventional pretreatment process, which refers to the removal of bacteria. Mechanical impurities, dust, cell debris, etc. in the product effectively control the cleanliness of milk. The milk cleaning is carried out in the milk cleaning machine;

[0061] (3) Homogenization of raw milk: The raw milk after centrifugal sterilization is homo...

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Abstract

The invention discloses fresh milk and a production process thereof. In the production process, the inventor initiatively carries out centrifugal sterilization, first homogenization or degreasing and filtering and ultraviolet sterilization on raw milk in sequence, and the particle size distribution range of fat globules in first feed liquid is 0.1-5 microns through first homogenization, or milk fat and casein are removed through degreasing and filtering, finally, the loss of active ingredients such as lactoferrin, beta-lactoglobulin and IgG in the fresh milk which is a non-transparent fluid is reduced, and the stability of the fresh milk is ensured. Meanwhile, the three steps of centrifugal sterilization, first homogenization and ultraviolet sterilization are matched, so that the sterilization effect, especially the ultraviolet sterilization effect, is improved.

Description

technical field [0001] The invention belongs to the technical field of fresh milk preparation, and in particular relates to fresh milk and a production process thereof. Background technique [0002] Milk is rich in nutrition, rich in protein, fat, vitamins, minerals and other nutrients and various immune active factors. It is known as "white blood" and is an important part of human diet. The basic process of milk production includes the collection, transportation, purchase, storage, cleaning, standardization, homogenization, sterilization, cooling and filling of raw milk. At present, the common sterilization process is mainly heat sterilization, that is, heat treatment of milk. [0003] According to different heat treatment process parameters, the milk currently sold in the domestic market is divided into pasteurized milk and sterilized milk. The former is to sterilize fresh raw milk for a short time at high temperature (i.e. HTST, generally 75°C, 15s), and the latter It i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23C7/04A23C9/00A23C9/142
CPCA23C7/046A23C9/00A23C9/1422
Inventor 张志尧张杰俞伟祖王慧李文清李源白皓雪石涵羽
Owner INNER MONGOLIA MENGNIU DAIRY IND (GRP) CO LTD
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