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Method for preparing fructo oligosaccharides by using sugarcane juices

A technology for fructooligosaccharides and sugarcane juice, which is applied in the conversion of immobilized fructosyltransferase columns, the preparation of fructooligosaccharides in the concentration process, and the decolorization field, can solve problems such as unfavorable continuous production, no relevant reports, complicated processes, etc. Avoid the participation of chemical reagents, shorten the process flow, and achieve the effect of high product purity

Inactive Publication Date: 2013-05-01
QUANTUM HI TECH (CHINA) BIO CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this mode, the production of white sugar needs to be dried, and the production of refined sugar needs to dissolve white sugar, purification and crystallization, while the production of fructooligosaccharides needs to dissolve refined sugar, resulting in complicated process and energy waste, which is not conducive to continuous production
[0011] In addition, there is no relevant report on the method of producing fructo-oligosaccharides from sugarcane juice at present.

Method used

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  • Method for preparing fructo oligosaccharides by using sugarcane juices

Examples

Experimental program
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Effect test

Embodiment 1

[0042] Extraction of cane juice: The sugarcane is squeezed and extracted by multiple presses. The cane stalks are first chopped into pieces, or the cane is torn, and then the juice is extracted through a press. In order to help extract cane juice, a small amount of water is sprayed into bagasse and then squeezed to promote the leaching of sucrose, so as to maximize the use of raw materials to obtain sugarcane mixed juice.

[0043] Clarification of cane juice: The sugarcane juice is preliminarily treated with calcium hydroxide to make the pH of the solution = 11, and the temperature is adjusted to 45°C for about 5 minutes. After pre-ash treatment, continue to add calcium hydroxide to pH = 12.5, and release CO for the first time 2 Gas, neutralize to make the pH of the solution = 11, control the temperature at 50°C, and take 10 minutes to produce flocculent calcium carbonate. The precipitate was centrifuged once. Then release the CO for the second time 2 Gas, neutralize to ma...

Embodiment 2

[0056] Extraction of cane juice: The sugarcane is squeezed and extracted by multiple presses. The cane stalks are first chopped into pieces, or the cane is torn, and then the juice is extracted through a press. In order to help extract cane juice, a small amount of water is sprayed into bagasse and then squeezed to promote the leaching of sucrose, so as to maximize the use of raw materials to obtain sugarcane mixed juice.

[0057] Clarification of cane juice: The sugarcane juice is preliminarily treated with calcium hydroxide to make the pH of the solution = 11, and the temperature is adjusted to 55°C for about 5 minutes. After the pre-ash treatment, continue to add calcium hydroxide to pH = 13, and release CO for the first time 2 Gas, neutralize to make the pH of the solution = 11, control the temperature at 55°C, and take 14 minutes to produce flocculent calcium carbonate. The precipitate was centrifuged once. Then release the CO for the second time 2 Gas, neutralize to ...

Embodiment 3

[0070] Extraction of cane juice: The sugarcane is squeezed and extracted by multiple presses. The cane stalks are first chopped into pieces, or the cane is torn, and then the juice is extracted through a press. In order to help extract cane juice, a small amount of water is sprayed into bagasse and then squeezed to promote the leaching of sucrose, so as to maximize the use of raw materials to obtain sugarcane mixed juice.

[0071] Clarification of cane juice: The sugarcane juice is preliminarily treated with calcium hydroxide to make the solution pH = 11, and the temperature is adjusted to 50°C for about 8 minutes. After the pre-ash treatment, continue to add calcium hydroxide to pH = 13, and release CO for the first time 2 Gas, neutralize to make the pH of the solution = 11, control the temperature at 60°C, and take 15 minutes to produce flocculent calcium carbonate. The precipitate was centrifuged once. Then release the CO for the second time 2 Gas, neutralize to make th...

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Abstract

The invention discloses a method for preparing fructo oligosaccharides by using sugarcane juices as raw materials. The method mainly comprises the following steps: extracting juices from sugarcanes, clarifying the juices, evaporating the juices, fumigating the juices by using sulfur, crystallizing the juices, separating honey from the juices, washing the honey, remelting the honey, filtering the honey through a granular active carbon to remove impurities, decoloring the honey through an ion exchange resin so as to prepare a refined sugar syrup, and converting, decoloring and concentrating the refined sugar syrup by using an immobilized fructosyl transferase column so as to prepare a sugar syrup with fructo oligosaccharide content of more than 55 %. According to the invention, traditional processes such as a white sugar drying process, a refined sugar crystallizing process and a refined sugar dissolving process are eliminated; and moreover, as the fructo oligosaccharides are prepared by using the fructosyl transferase column, enzyme separation treatment is not needed, so that the whole technical process is reduced, the production time is obviously reduced and the product purity is high. The cost of the whole production process is greatly reduced and the advantages of time conservation, labor conservation and continuous production are obtained.

Description

technical field [0001] The invention relates to a preparation method of fructooligosaccharides, specifically, sugarcane juice is used as raw material, after clarification, evaporation, sulfur fumigation, crystallization, honey separation, honey washing, back dissolving, granular activated carbon filtration to remove impurities, ion exchange resin decolorization The refined syrup is prepared, and the fructo-oligosaccharide is prepared through the process of conversion, decolorization and concentration of an immobilized fructosyltransferase column. Background technique [0002] Fructooligosaccharides (English name: Fructooligosaccharide, FOS), also known as oligofructose, saccharotriose oligosaccharides, etc., the molecular formula is G-F-Fn (G is glucose, F is fructose, n=1~3), is A general term for kestose, kestose, kestose and their mixtures formed by combining several D-fructose with β-1,2 glycosidic bonds on the sucrose molecule. [0003] FOS mostly exists in natural pla...

Claims

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Application Information

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IPC IPC(8): C12P19/18
Inventor 曾宪经贺宇吴少辉陈子健陈振鹏
Owner QUANTUM HI TECH (CHINA) BIO CO LTD
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