Method for preparing high fructose corn syrup

A technology of high fructose syrup and fructose, applied in the field of food additives, can solve the problems of high ash content of sugar liquid, poor quality of fructose, poor stability, etc., and achieve the effect of improving quality

Active Publication Date: 2010-07-07
ANHUI BBCA FERMENTATION TECH ENG RES
View PDF0 Cites 25 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The method of hydrolyzing sucrose to produce fructose syrup is mainly based on acid hydrolysis. Generally, the sucrose concentration is 55-70%, 60-70°C, adjust the pH value to 2.0 with hydrochloric acid, react for 2-4 hours, and then use sodium hydroxide or carbonic acid Sodium adjusts the pH value to 4.5. The sugar solution produced by this method has a lot of ash and poor stability, resulting in poor quality fructose in the later stage.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Method for preparing high fructose corn syrup
  • Method for preparing high fructose corn syrup

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] 1 ton of sucrose solution with a solid content of 35%, adjust the pH value to 4.5, and the temperature is 40-50°C, add 11g of yeast sucrose hydrolase (commercially available, or self-extracted), react for 20 hours, and measure the hydrolysis rate of sucrose 97.7%. The temperature of the enzymolysis solution is raised to 80-90°C, and the protein and other impurities are removed by plate-and-frame filtration (the filter cloth has a pore size of 100,000 molecular weight (MD)). The filtrate has used Rohm and Haas AmberliteXAD16 type resin to decolorize the filtrate, and the light transmittance (measured at 420nm) is above 95%. Finally, the electrical conductivity is controlled below 20us / cm, and finally the sugar solution is concentrated using a plate evaporator. The temperature must not exceed 80°C, and the sugar solution is concentrated to a solid content of 40%. The concentrated liquid enters the chromatography (resin model is Rohm and Haas 1320), the feed temperature i...

Embodiment 2

[0020] 1 ton of sucrose solution with a solid content of 40%, adjust the pH value to 5, the temperature is 40-50°C, add 20g of yeast sucrose hydrolase, react for 18 hours, and the hydrolysis rate of sucrose is 99.2%. The temperature of the enzymolysis solution is raised to 80-90°C, and the protein and other impurities are removed by plate-and-frame filtration (the pore size of the filter cloth is 50,000 MD). The filtrate has used Rohm and Haas AmberliteXAD16 type resin to decolorize the filtrate, and the light transmittance (measured at 420nm) is above 95%. Finally, the electrical conductivity is controlled below 20us / cm, and finally the sugar solution is concentrated using a plate evaporator. The temperature must not exceed 80°C, and the sugar solution is concentrated to a solid content of 45%. The concentrated liquid enters the chromatography, the feed temperature is 60-65°C, the pH value is adjusted to 6, the washing water temperature is 60-65°C, the conductivity shall not ...

Embodiment 3

[0022]1 ton of 35% sucrose solution, adjust the pH value to 4.5, the temperature is 40-50 ° C, add 17.5 g of yeast sucrose hydrolase, react for 18 hours, and the hydrolysis rate of sucrose is 98.5%. The temperature of the enzymolysis solution is raised to 80-90°C, and the protein and other impurities are removed by plate-and-frame filtration (filter cloth pore size: 100,000 MD). The filtrate has used Rohm and Haas AmberliteXAD16 type resin to decolorize the filtrate, and the light transmittance (measured at 420nm) is above 95%. Finally, the electrical conductivity is controlled below 20us / cm, and finally the sugar solution is concentrated using a plate evaporator. The temperature must not exceed 80°C, and the sugar solution is concentrated to a solid content of 50%. The concentrated liquid enters the chromatography, the feed temperature is 60-65°C, the pH value is adjusted to 6, the washing water temperature is 60-65°C, the conductivity shall not exceed 5us / cm, the purity of t...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention discloses a method for preparing high fructose corn syrup, comprising the following steps: (1) adding sucrose hydrolase to a sucrose solution for hydrolyzation and carrying out filtration, discoloration, ion-exchange, concentration and chromatographic resolution on the enzymatic hydrolysate to respectively gain high-purity glucose liquid and fructose liquid; (2) carrying out discoloration, ion-exchange, nanofiltration membrane treatment and concentration on the resulting fructose solution to prepare high fructose corn syrup F90; (3) carrying out concentration, isomerization, discoloration, ion-exchange and concentration on the resulting glucose liquid to prepare high fructose corn syrup F42. By adopting the method, sucrose is decomposed by saccharase, fructose purity is increased by resin decolorization and chromatographic resolution, and impurities such as oligosaccharide are removed by a nanofiltration membrane, thus effectively improving the quality of high fructose corn syrup and simultaneously producing sugar liquor with three purities at most to meet different demands.

Description

technical field [0001] The invention relates to the technical field of food additives, in particular to a method for preparing fructose syrup from sucrose. Background technique [0002] Fructose is a left-handed six-carbon sugar, which is an isomer of glucose. Its function and use are basically the same as that of glucose, but it is easier to be absorbed and utilized by the body, and it is more suitable for energy supply for patients with diabetes and liver disease. High fructose syrup is a starch sugar crystal made by hydrolysis and isomerization of plant starch. It has a unique flavor and is an important sweetener. Because its composition is mainly fructose and glucose, it is called "fructose syrup". Fructose syrup is mainly divided into products such as F42, F55 and F90, among which "F" means fructose, and the subsequent numbers indicate the percentage of fructose content in dry matter. At present, the domestic production capacity of fructose syrup is 2 million tons. T...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
Patent Type & Authority Applications(China)
IPC IPC(8): A23L1/236A23L27/30
Inventor 李荣杰薛培俭尚海涛邓远德张雪锋张毅
Owner ANHUI BBCA FERMENTATION TECH ENG RES
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap