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Bovine colostrum non-thermal sterilization method

A colostrum, non-thermal technology, used in the preservation and application of dairy products and milk, can solve problems such as denaturation, and achieve the effect of preventing a significant reduction in IgG, prolonging shelf life, and improving sterilization effect.

Pending Publication Date: 2022-07-22
JIANGSU ACADEMY OF AGRICULTURAL SCIENCES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Purpose of the invention: Aiming at the problem that the active ingredients of bovine colostrum are susceptible to denaturation caused by processing, the present invention provides a non-thermal sterilization method of bovine colostrum, which inhibits transportation, storage and sterilization by adding soybean isoflavones to the collected colostrum. The growth of microorganisms during processing, combined with high-power pulsed microwaves to sterilize bovine colostrum, realizes the killing of microorganisms in bovine colostrum at a lower temperature, and retains bovine colostrum, including immunoglobulins, to the greatest extent The destruction of heat-sensitive nutrients in bovine colostrum avoids the destruction of these heat-sensitive substances by traditional high temperature, and the added soy isoflavones not only increase the nutritional function of bovine colostrum, but also further reduce the number of microorganisms in bovine colostrum, and at the same time inhibit Growth of residual microorganisms after sterilization in bovine colostrum

Method used

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  • Bovine colostrum non-thermal sterilization method
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  • Bovine colostrum non-thermal sterilization method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Collect bovine colostrum from the farm. If the color of bovine colostrum is milky yellow or light yellow, the tissue shape is viscous colloidal liquid, the smell is the inherent fishy smell of bovine colostrum, and there is no other peculiar smell, then bovine colostrum passes through Sensory index inspection, immediately add 0.4% pure soy isoflavones of bovine colostrum quality (Shanghai McLean Biochemical Technology Co., Ltd., purity 98%), stir well, and quickly transport to the sterilization workshop at low temperature. The colostrum was kept at 4°C from transport to before sterilization, and the colostrum carrying container was a glass container. The obtained bovine colostrum is subjected to high-power pulse microwave sterilization treatment (instantaneous output power of 550kW, output pulse width of 3μs, duty ratio of 1:1400, sterilization time of 3min, and initial temperature of sterilization of bovine colostrum at 4°C) to obtain sterilized bovine colostrum. milk ...

Embodiment 2

[0033] Collect bovine colostrum from the farm. If the color of bovine colostrum is milky yellow or light yellow, the tissue shape is viscous colloidal liquid, the smell is the inherent fishy smell of bovine colostrum, and there is no other peculiar smell, then bovine colostrum passes through Sensory index inspection, immediately add 0.8% soy isoflavones of bovine colostrum quality (Shanghai McLean Biochemical Technology Co., Ltd., BR, soy isoflavone purity 40%), stir well, and quickly transport to the sterilization workshop at low temperature, where soy isoflavones are added. The bovine colostrum containing flavonoids is kept at 6° C. from transportation to sterilization, and the bovine colostrum carrying container is a glass container. The obtained bovine colostrum is subjected to high-power pulse microwave sterilization treatment (instantaneous output power of 500kW, output pulse width of 6μs, duty ratio of 1:1200, sterilization time of 5min, and initial temperature of steril...

Embodiment 3

[0035]Collect bovine colostrum from the farm. If the color of bovine colostrum is milky yellow or light yellow, the tissue shape is viscous colloidal liquid, the smell is the inherent fishy smell of bovine colostrum, and there is no other peculiar smell, then bovine colostrum passes through For sensory index inspection, 0.4% pure soy isoflavones of bovine colostrum quality (Shanghai McLean Biochemical Technology Co., Ltd., purity 98%) were added immediately on site, stirred thoroughly, and transported quickly to the sterilization workshop at low temperature. The colostrum was kept at 2°C from transport to before sterilization, and the bovine colostrum carrying container was a glass container. The obtained bovine colostrum is subjected to high-power pulse microwave sterilization treatment (instantaneous output power of 400kW, output pulse width of 5μs, duty ratio of 1:1000, sterilization time of 6min, and initial temperature of sterilization of bovine colostrum at 4°C) to obtain...

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Abstract

The invention discloses a bovine colostrum non-thermal sterilization method which comprises the following steps: (1) collecting bovine colostrum from a farm, and carrying out sensory index detection; (2) after the bovine coloctrum meets sensory index detection, immediately adding soy isoflavone on site; and (3) performing high-power pulse microwave sterilization treatment on the bovine coloctrum obtained in the step (2) to obtain sterilized bovine coloctrum. The soybean isoflavone is added into the collected bovine coloctrum, so that the growth of microorganisms in the transportation, storage and processing processes is inhibited, and the bovine coloctrum is sterilized by combining high-power pulse microwaves to form a natural antibacterial substance combined with a non-thermal sterilization technology, so that the number of microorganisms of the bovine coloctrum on a processing chain is controlled, and the quality of the bovine coloctrum is improved. The risk that microorganisms of the product exceed the standard is reduced, damage to active ingredients such as immune globulin in the bovine coloctrum processing process is reduced, and the nutrition and health care value of the bovine coloctrum is improved due to the addition of the soy isoflavone.

Description

technical field [0001] The invention belongs to the technical field of bovine colostrum processing, and particularly relates to a non-thermal sterilization method for bovine colostrum. Background technique [0002] Colostrum refers to the milk of cows within 72 hours of giving birth. It is not only rich in nutrients, but also contains immunoglobulins, lactoferrin, cytokines and other active ingredients that promote growth and development. In bovine colostrum, immunoglobulin G (IgG) with immunomodulatory effect accounts for 70-75% of immunoglobulin, and can provide passive immune protection and enhance resistance for the body. However, due to the rich nutrients in bovine colostrum, it also becomes a suitable substrate for microbial growth. Since the body surface of dairy cows is easily contaminated by cow dung, bedding, etc. containing a large number of microorganisms, if the milking process is not operated according to the prescribed procedures, the colostrum will be contam...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23C3/07A23C3/08
CPCA23C3/07A23C3/08Y02P60/85
Inventor 夏秀东王冉王英张莉莉龚兰戴意强许壮
Owner JIANGSU ACADEMY OF AGRICULTURAL SCIENCES
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