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Technology for preparing isomerizated lactose fluid with whey

An isomerization and process technology, applied in food science and other directions, can solve the problems of complicated operation steps, high cost, low purity, etc., and achieve the effects of simple process, high mechanical strength, large adsorption capacity and surface area

Pending Publication Date: 2018-07-10
YANTAI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The extraction of lactose from whey is only in the laboratory stage, and there are mainly defects such as low purity, cumbersome operation steps, and high cost.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Utilize the technology of whey to prepare isomerized lactose liquid, it comprises the steps:

[0022] Bovine whey composition analysis, weight percentage: protein 0.5-0.6%, fat 0.2-0.3%, lactose 5.1-5.3%, inorganic salt 0.7-0.8%, and the rest is water.

[0023] Preparation of adsorbent: Mix sepiolite powder, diatomaceous earth, peat soil and organic bentonite according to the mass ratio of 5:3:2:2 to obtain the mixture; mix the mixture and polypropylene balls according to the volume ratio of 1:2 Put it in a granulator, then add polyvinyl alcohol aqueous solution with a concentration of 8wt% accounting for 2% of the mass of polypropylene balls to make particles with a particle size of 0.5mm, then dry at 100°C for 120min, and then put Sinter in a sintering furnace at a sintering temperature of 800°C, hold for 90 minutes, take it out, and cool to room temperature to obtain the product;

[0024] Heating, centrifugation and adsorption treatment: put bovine whey in a contain...

Embodiment 2

[0028] The technology for preparing isomerized lactose liquid by utilizing bovine whey comprises the following steps:

[0029] Bovine whey composition analysis, weight percentage: protein 0.5-0.6%, fat 0.2-0.3%, lactose 5.1-5.3%, inorganic salt 0.7-0.8%, and the rest is water.

[0030] Preparation of adsorbent: Mix sepiolite powder, diatomaceous earth, peat soil and organic bentonite according to the mass ratio of 5:3:2:2 to obtain the mixture; mix the mixture and polypropylene balls according to the volume ratio of 1:2 Put it in a granulator, then add polyvinyl alcohol aqueous solution with a concentration of 8wt% accounting for 2% of the mass of polypropylene balls to make particles with a particle size of 0.5mm, then dry at 100°C for 120min, and then put Sinter in a sintering furnace at a sintering temperature of 800°C, hold for 90 minutes, take it out, and cool to room temperature to obtain the product;

[0031] Heating, centrifugation and adsorption treatment: put bovine...

Embodiment 3

[0035] The present invention makes lactose component detection:

[0036] Table 1

[0037] project

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PUM

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Abstract

The invention belongs to the technical field of sugar separation and purification, and discloses a technology for preparing isomerizated lactose fluid with whey. The technology comprises the followingsteps of (1) preparing an adsorbing agent; (2) performing heating treatment, centrifuging treatment and adsorption treatment; (3) performing nanofiltration; and (4) performing concentration, crystallization and isomerization. The technology is simple to operate, low in cost and high in purity of prepared products.

Description

technical field [0001] The invention belongs to the technical field of sugar preparation, and in particular relates to a process for preparing isomerized lactose liquid by using whey. Background technique [0002] Whey usually refers to the by-product of cheese production from cow's or goat's milk. Whey is the green, translucent liquid that separates when milk coagulates into curds during cheese production. Whey is directly spray-dried into powder or concentrate, and can also be further processed into other whey products, such as demineralized whey powder, low lactose whey powder, high lactose whey powder, lactose, whey protein concentrate and Whey protein isolate etc. [0003] Isomerized lactose is obtained by isomerizing lactose as raw material under heat or using sodium hydroxide as a catalyst. Isomerized lactose currently exists in two dosage forms on the market, isomerized lactose powder and isomerized lactose liquid. Isomerized lactose liquid is a colorless to ligh...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23L29/30
Inventor 姜竹茂刘婕单静杨宝雨张颂李金金
Owner YANTAI UNIV
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