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Method for preparing sorbitol liquid by utilizing high fructose corn syrup chromatographic raffinate

A technology of sorbitol liquid and fructose syrup, which is applied to the preparation of sugar derivatives, chemical instruments and methods, and the preparation of hydroxyl compounds. It can solve the problems of low fructose content, low utilization efficiency, and inability to sell finished products, and improve Economic benefits, convenient storage and transportation

Pending Publication Date: 2021-01-26
ZHEJIANG HUAKANG PHARMA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Among them, in the chromatographic separation process, 20-25% fructose syrup chromatographic raffinate is produced after chromatographic separation. Due to its low fructose content, it cannot be used for finished product sales.
Generally, the raffinate is reused as the raw material before isomerization, and the utilization efficiency is low
[0005] In addition, in the prior art, in the liquid sorbitol directly produced with starch as raw material, the liquid sorbitol crystallizes during storage and affects product quality.

Method used

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  • Method for preparing sorbitol liquid by utilizing high fructose corn syrup chromatographic raffinate

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] The first method embodiment of the present invention utilizing fructose syrup chromatographic raffinate to prepare sorbitol liquid comprises the following steps:

[0024] Step 11. Evaporate and concentrate the chromatographic raffinate of fructose syrup to make its concentration 50-55%. The content of glucose in the chromatographic raffinate of fructose syrup is 80-82%, and the content of fructose is 12-14%. .

[0025] Step 12. Carry out catalytic hydrogenation treatment to the concentrated fructose syrup chromatographic raffinate to obtain the initial sorbitol solution. The conditions for hydrogenation treatment are: the pH value of the fructose syrup chromatographic raffinate is 5.0 to 7.0, hydrogenation The temperature is 120-140°C, the hydrogen pressure is 7.0-9.0Mpa, in the obtained sorbitol primary liquid, the sorbitol content is 86-89%, and the mannitol content is 6-7%. ≥99.80%.

[0026] Step 13, decolorizing, separating and evaporating the initial sorbitol liq...

Embodiment 2

[0029] The second embodiment of the method for preparing sorbitol liquid by using fructose syrup chromatographic raffinate comprises the following steps:

[0030] Step 21. Evaporate and concentrate the chromatographic raffinate of fructose syrup to make the concentration 50-55%. The content of glucose in the chromatographic raffinate of fructose syrup is 83-84%, and the content of fructose is 10-11%. .

[0031] Step 22: Carry out catalytic hydrogenation treatment on the concentrated fructose syrup chromatographic raffinate to obtain the initial sorbitol solution. The conditions for hydrogenation treatment are: the pH value of the fructose syrup chromatographic raffinate is 5.0 to 7.0, hydrogenation The temperature is 120-140°C, the hydrogen pressure is 7.0-9.0Mpa, in the obtained sorbitol primary liquid, the sorbitol content is 88-90%, and the mannitol content is 6-7%. ≥99.80%.

[0032] Step 23, decolorizing, separating and evaporating the initial sorbitol liquid in sequence...

Embodiment 3

[0035] The third method embodiment of the present invention utilizing fructose syrup chromatographic raffinate to prepare sorbitol liquid comprises the following steps:

[0036] Step 31. Evaporate and concentrate the chromatographic raffinate of fructose syrup to a concentration of 50-55%. The content of glucose in the chromatographic raffinate of fructose syrup is 84-85%, and the content of fructose is 9-10%. .

[0037] Step 32: Carry out catalytic hydrogenation treatment on the concentrated fructose syrup chromatographic raffinate to obtain the initial solution of sorbitol. The conditions for hydrogenation treatment are: the pH value of the fructose syrup chromatographic raffinate is 5.0-7.0, hydrogenation The temperature is 120-140°C, the hydrogen pressure is 7.0-9.0Mpa, in the obtained sorbitol primary liquid, the sorbitol content is 88-90%, and the mannitol content is 4.5-5.0%. ≥99.80%.

[0038] Step 33, decolorizing, separating and evaporating the initial sorbitol liqu...

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Abstract

The invention relates to a method for preparing a sorbitol solution from a high fructose corn syrup chromatographic raffinate, which comprises the following steps: concentrating the high fructose cornsyrup chromatographic raffinate, carrying out hydrogenation treatment to obtain an initial sorbitol solution, and sequentially carrying out decolorization, ion exchange and evaporation treatment on the initial sorbitol solution to obtain the finished product sorbitol solution. The high fructose corn syrup chromatographic raffinate is obtained by the following steps: carrying out chromatographic separation treatment in the process of preparing high fructose corn syrup from starch, and obtaining the high fructose corn syrup chromatographic raffinate after chromatographic separation treatment, wherein the glucose content in the high fructose corn syrup chromatographic raffinate is 80-85%, and the fructose content is 9-14%. The finished product sorbitol liquid prepared by the method is not crystallized in the storage process and is convenient to store and transport.

Description

technical field [0001] The invention belongs to the technical field of sugar alcohol preparation, and in particular relates to a method for preparing sorbitol liquid by using fructose syrup chromatographic raffinate. Background technique [0002] Fructose syrup is made by hydrolyzing corn starch, mainly composed of glucose and fructose. Fructose syrup is divided into three categories according to the fructose content: the first generation fructose syrup (F42 type) contains 42% fructose, the second generation fructose The syrup (F55 type) contains 55% fructose, and the third generation fructose syrup (F90 type) contains 90% fructose. The sweetness of fructose syrup is positively correlated with the fructose content. The third-generation fructose syrup can achieve a certain sweetness when used in a small amount in food. It is a product that can completely replace sucrose and can be widely used in food just like sucrose And the beverage industry, especially the application in ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07C29/141C07C29/74C07C29/76C07C29/78C07C31/26C07H3/02C07H1/06
CPCC07C29/141C07C29/74C07C29/76C07C29/78C07H3/02C07H1/06C07C31/26
Inventor 程新平杨威陈升荣詹国平胡岩吴仲庆余群华安延龙李勉
Owner ZHEJIANG HUAKANG PHARMA