Fat globule membrane powder, preparation method and application thereof

A fat globule membrane and membrane material technology, applied in the field of fat globule membrane powder and its preparation, can solve the problems of destroying the natural structure of the fat globule membrane powder, affecting the emulsifying performance and nutritional properties, and the separation method being time-consuming and labor-intensive, and achieving a good application prospect. , good storage stability, the effect of reducing production costs

Active Publication Date: 2016-04-06
BRIGHT DAIRY & FOOD CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem solved by the present invention is to overcome the time-consuming and troublesome separation method of the existing fat globule membrane powder, which is difficult for industrial scale production, the fat globule membrane content is low, and the natural structure of the fat globule membrane powder is destroyed by heat treatment, centrifugation and other processes, affecting its Defects such as emulsifying performance and nutritional properties provide a fat globule film powder and its preparation method and application

Method used

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  • Fat globule membrane powder, preparation method and application thereof
  • Fat globule membrane powder, preparation method and application thereof

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Experimental program
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Effect test

Embodiment 1

[0026] 1. The preparation method of fat globule film powder is:

[0027] (1) Get 20kg of fresh buttermilk, add sodium citrate, and adjust the pH to be 7;

[0028] (2) The material obtained in step (1) is separated and concentrated using a 0.1 μm cellulose ester film, and concentrated to 1 / 4 times the original volume, that is, the retentate is 5 kg and then stopped. 15kg of deionized water was added to the intercepted end, and this step was repeated 3 times. The temperature of membrane separation, concentration and diafiltration is both 50°C and the pressure is 0.5MPa;

[0029] (3) Freeze-dry the retentate after membrane separation and concentration to obtain fat globule membrane powder. Among them, the total protein content is 50%, the lipid content is 40%, the moisture content is 5%, and the ash content is 5%. Among them, the fat globule membrane protein, casein and whey protein account for 68% and 70% of the total protein respectively. % and 25%.

[0030] 2. Preparation ...

Embodiment 2

[0037] 1. The preparation method of fat globule membrane powder:

[0038] (1) Reconstitute 24kg of buttermilk powder into an 8% solution, stir at 35°C for 90 minutes, cool to 4-7°C and refrigerate overnight, then add sodium tartrate to adjust the pH to 8;

[0039] (2) The material obtained in step (1) is separated and concentrated using a 1.5 μm regenerated cellulose membrane, and concentrated to 1 / 6 times the original volume, that is, the retentate is 4 kg and then stopped. 20kg of deionized water was added to the intercepted end, and this step was repeated 5 times. The temperature of membrane separation, concentration and diafiltration is both 10°C and the pressure is 0.7MPa;

[0040] (3) Freeze-dry the retentate after membrane separation and concentration to obtain fat globule membrane powder. Wherein, the total protein content is 60%, the lipid content is 34%, the moisture content is 3%, and the ash content is 3%. Among them, fat globule membrane protein, casein and whe...

Embodiment 3

[0048]1. The preparation method of fat globule membrane powder is:

[0049] (1) Reconstitute 25 kg of buttermilk powder into a 9% solution, stir at 45°C for 30 minutes, cool to 4-7°C and refrigerate overnight, then add sodium acetate to adjust the pH to 8;

[0050] (2) The material obtained in step (1) is separated and concentrated using a 0.4 μm ceramic membrane, and concentrated to 1 / 5 times the original volume, that is, the retentate is 5 kg and then stopped. 20kg of deionized water was added to the intercepted end, and this step was repeated 4 times. The temperature of membrane separation, concentration and diafiltration is both 30°C and the pressure is 0.6MPa;

[0051] (3) Freeze-dry the retentate after membrane separation and concentration to obtain fat globule membrane powder. Wherein, the total protein content is 55%, the lipid content is 35%, the water content is 5% and the ash content is 5%. Among them, fat globule membrane protein, casein and whey protein account...

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Abstract

The invention discloses fat globule membrane powder, a preparation method of the fat globule membrane powder and application of the fat globule membrane powder. The preparation method comprises the following steps of adjusting the pH value of raw materials to be 7-8, performing separation and concentration by utilization of a membrane material with pore diameter of 0.1-1.5 microns, filtering, washing, collecting a concentrated solution in an intercepted section, freezing and drying. The raw materials are fluid milk products containing the fat globule membrane powder. The fat globule membrane powder is prepared by utilization of a membrane separation method, the preparation method is simple, the separation efficiency is high, the industrialized production is conveniently performed, the content of a fat globule membrane ingredient is high, and the damage to a fat globule membrane structure as well as the oxidization of lipid components in the fat globule membrane are both avoided. The fat globule membrane powder is applied to UHT (Ultra High Temperature) single cream production; the prepared single cream is rich in natural phospholipid ingredients, can soften blood vessels, is beneficial to human health and has higher nutritional properties; the fat globule membrane powder has a better stability, has better application performance before the expiration date, has a shelf life of 6-9 months, cannot cause the phenomena such as fat floating, and has a better storage stability and application prospects.

Description

technical field [0001] The invention relates to a fat globule film powder and a preparation method and application thereof. Background technique [0002] Fat globule membrane powder not only has good nutritional value, but also a natural emulsifier. Conventional fat globule membrane separation methods include operations such as centrifugation after heat treatment, which is time-consuming and troublesome, and is difficult to produce on an industrial scale. Moreover, the prepared fat globule membrane content is low. Processes such as heat treatment and centrifugation destroy the natural structure of fat globule membrane powder, affecting its emulsification properties and nutritional properties. This phenomenon needs to be solved urgently. Contents of the invention [0003] The technical problem solved by the present invention is to overcome the time-consuming and troublesome separation method of the existing fat globule membrane powder, which is difficult for industrial sc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23L29/10A23C13/00
CPCA23C13/00A23V2002/00A23V2200/222A23V2300/10
Inventor 孙颜君莫蓓红刘振民朱培郑远荣石春权焦晶凯凌勇飚
Owner BRIGHT DAIRY & FOOD CO LTD
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