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Method for controlling maltitol crystallization granularity

A technology of maltitol and crystal particle size, which is applied in the direction of organic chemical methods, chemical instruments and methods, sugar derivatives, etc., can solve the problems of long crystallization cycle and no obvious improvement, and achieve uniform crystal particle size distribution, easy control, and reduction The effect of the risk of small agglomerates

Inactive Publication Date: 2020-02-11
ZHEJIANG HUAKANG PHARMA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method is still crystallized by cooling crystallization, and the problem of long crystallization period has not been significantly improved.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] The first preferred embodiment of the method for controlling maltitol crystal size of the present invention specifically comprises the following steps:

[0021] (11) Turn on the vacuum pump, and after the vacuum reaches the set value, carry out vacuum evaporation and concentration of the maltitol solution with a content of more than 94.5% at a temperature of 63°C to obtain a supersaturated solution of maltitol with a mass percentage of 75%.

[0022] (12) After the concentration reaches the requirement, add seed crystals at 0.5% of the dry weight of maltitol, and keep stirring for 15 to 20 minutes.

[0023] (13) Then continuously add dilute maltitol solution to the solution, and control the massecuite Brix to 72%~72.5% during the process.

[0024] (14) After feeding for 4 hours, the above solution was evaporated and concentrated in a vacuum. When the proportion of solids in the solution reached more than 85%, the maltitol massecuite was transferred to a storage tank with...

Embodiment 2

[0027] The second preferred embodiment of the method for controlling maltitol crystal size of the present invention specifically includes the following steps:

[0028] (21) Turn on the vacuum pump, and after the vacuum reaches the set value, carry out vacuum evaporation and concentration of the maltitol solution with a content of more than 94.5% at a temperature of 63°C to obtain a supersaturated solution of maltitol with a mass percentage of 85%.

[0029] (22) After the concentration reaches the requirement, add seed crystals at 2% of the dry weight of maltitol, and keep stirring for 5 to 10 minutes.

[0030] (23) Then continuously add dilute maltitol solution to the solution, and control the hammer mass of the massecuite to 74.5%~75% during the process.

[0031] (24) After feeding for 4 hours, the above solution was evaporated and concentrated in a vacuum until the proportion of solids in the solution reached more than 85%, and the maltitol massecuite was transferred to a st...

Embodiment 3

[0034] The preferred embodiment of the third method of the present invention for controlling the crystallization size of maltitol, specifically comprises the following steps:

[0035] (31) Turn on the vacuum pump. After the vacuum reaches the set value, the maltitol solution with a content of more than 94.5% is vacuum evaporated and concentrated at a temperature of 63°C to obtain a supersaturated solution of maltitol with a mass percentage of 80%.

[0036] (32) After the concentration reaches the requirement, add 1% of the dry weight of maltitol as seed crystals, and keep stirring for 10 to 15 minutes.

[0037] (33) Then continuously add dilute maltitol solution to the solution, and control the hammer mass of the massecuite to 73%~73.5% in the process.

[0038] (34) After feeding for 4 hours, the above solution was evaporated and concentrated in vacuum, and when the proportion of solids in the solution reached more than 85%, the maltitol massecuite was transferred to a storage...

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Abstract

The invention relates to a method for controlling the maltitol crystallization granularity. According to the method, firstly, a maltitol solution is evaporated and concentrated into a saturation state; then, seed crystals are added; the maltitol solution is continuously supplemented in a vacuum evaporation state; the brix of massecuite is controlled; the concentrated crystallization is continuously completed; and then, centrifugal drying is performed to obtain maltitol crystals. The crystallization process is controlled by controlling the seed crystal addition quantity and the material supplementing concentration. By the method, the maltitol nucleation can be inhibited; the generation of fine grains can also be reduced, so that the granularity distribution of the finally obtained crystal product is uniform; and the proportion of powdered sugar in the granularity distribution is reduced, so that the agglomeration of the maltitol product is effectively inhabited. The method has the advantages that the crystallization period is shortened; the crystallization efficiency is improved; the granularity of the finally obtained maltitol crystals is uniform and stable; the natural fluidity ofthe product after the drying is good; the agglomeration risk during the storage at a room temperature is reduced; and the method can be used for producing maltitol products with different granularities.

Description

technical field [0001] The invention belongs to the technical field of maltitol crystal preparation, in particular to a method for controlling the grain size of maltitol crystals. Background technique [0002] Maltitol evaporative crystallization is to make the initially incompletely saturated maltitol solution evaporate and concentrate in an evaporative crystallizer, and obtain crystalline maltitol by controlling the conditions of boiling sugar. Crystallized crystals need further operations such as filtration and drying before they can be packaged and sold as products. Crystallization determines the characteristics of the product, the main characteristics of which are the particle size and particle size distribution of the product. Usually, the concentration of particle size distribution of crystal products in the chemical, fine products, pharmaceutical, and food industries can not only improve the dissolution rate, bulk density, and fluidity of the product, but also impro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07H15/04C07H1/06
CPCC07B2200/13C07H1/06C07H15/04
Inventor 郝艳欢万富安林亮韩新峰程新平陈德水
Owner ZHEJIANG HUAKANG PHARMA
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