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Method for preparing high fructose corn syrup by using glucose syrup

A technology of glucose syrup and high fructose syrup, applied in the direction of fermentation, can solve the problem of low fructose fructose content, etc., and achieve the effects of increasing profits, realizing healthy operation, improving product competitiveness and resource utilization rate

Inactive Publication Date: 2015-12-23
蚌埠丰原涂山制药有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in actual production, it was found that the fructose content in the resulting fructose syrup was low

Method used

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  • Method for preparing high fructose corn syrup by using glucose syrup

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Embodiment 1 A kind of method utilizing glucose syrup to prepare fructose syrup

[0031] A method utilizing glucose syrup to prepare fructose syrup, comprising the steps of:

[0032] (1) Saccharification: take glucose syrup (usually Ds: 20-30%), add 250ml / m 3 Glucoamylase, saccharification at 60°C for 12 hours. Requirements: oligosaccharides <5%;

[0033] (2) Decolorization: Add 3% (w / v) activated carbon and stir at 55-65°C for 45 minutes, and filter to remove carbon at 5-10 μm. Requirements: transparent and colorless, UV<0.8;

[0034] (3) Pre-separation: the syrup after carbon removal is passed through an anion and cation exchange resin column. Requirements: colorless and transparent, UV<0.5, conductance γ<20μs / cm.

[0035] (4) Concentration: vacuum concentration to Ds: 45-55%. Other requirements: UV<1.0 (Ds: 30%), γ<20μs / cm (Ds: 30%).

[0036] (5) Preparation: Use sodium carbonate to adjust the pH to 7.5-7.8, add 0.15 g / L of sodium metabisulfite, add 0.6 g / L of...

Embodiment 2

[0041] (1) Saccharification: take glucose syrup (usually Ds: 15-20%), add 175ml / m 3 Glucoamylase, saccharification at 60°C for 12 hours. Requirements: oligosaccharides <5%;

[0042] (2) Decolorization: Add 3% (w / v) activated carbon and stir at 55-65°C for 45 minutes, and filter to remove carbon at 5-10 μm. Requirements: transparent and colorless, UV<0.8;

[0043] (3) Pre-separation: the syrup after carbon removal is passed through an anion and cation exchange resin column. Requirements: colorless and transparent, UV<0.5, conductance γ<20μs / cm.

[0044] (4) Concentration: vacuum concentration to Ds: 45-55%. Other requirements: UV<1.0 (Ds: 30%), γ<20μs / cm (Ds: 30%).

[0045] (5) Preparation: Use sodium carbonate to adjust the pH to 7.5-7.8, add 0.15 g / L of sodium metabisulfite, add 0.6 g / L of magnesium sulfate heptahydrate, and stir well.

[0046] (6) Isomerization: enter the isomerization column (0.5×2m, isomerase 73kg) at a constant temperature of 55°C, with an average s...

Embodiment 3

[0050] (1) Saccharification: take glucose syrup (usually Ds: 30-35%), add 300ml / m 3 Glucoamylase, saccharification at 60°C for 12 hours. Requirements: oligosaccharides <5%;

[0051] (2) Decolorization: Add 3% (w / v) activated carbon and stir at 55-65°C for 45 minutes, and filter to remove carbon at 5-10 μm. Requirements: transparent and colorless, UV<0.8;

[0052] (3) Pre-separation: the syrup after carbon removal is passed through an anion and cation exchange resin column. Requirements: colorless and transparent, UV<0.5, conductance γ<20μs / cm.

[0053] (4) Concentration: vacuum concentration to Ds: 45-55%. Other requirements: UV<1.0 (Ds: 30%), γ<20μs / cm (Ds: 30%).

[0054] (5) Preparation: Use sodium carbonate to adjust the pH to 7.5-7.8, add 0.15 g / L of sodium metabisulfite, add 0.6 g / L of magnesium sulfate heptahydrate, and stir well.

[0055] (6) Isomerization: enter the isomerization column (0.5×2m, isomerase 73kg) at a constant temperature of 55°C, with an average s...

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Abstract

The invention relates to a method for preparing high fructose corn syrup by using glucose syrup. The method includes: subjecting the glucose syrup to saccharification, discoloration, ion exchanging, concentration, blending, isomerization and ion exchanging. The glucose syrup may be processed and converted into the high fructose corn syrup greater than 43% in fructose content, the high fructose corn syrup is directly applicable to the production of fructose by chromatographic separation, the glucose syrup is fully utilized, product cost is substantially decreased, and product market competitiveness is improved.

Description

technical field [0001] The invention relates to a method for preparing fructose syrup from glucose syrup, which belongs to the technical field of fructose syrup preparation. Background technique [0002] At present, the production of fructose is mainly based on fructose syrup (in the dry component of fructose syrup: 43% fructose, 52% glucose, 5% oligosaccharides) as raw material, and the fructose syrup is separated into two parts by simulated moving bed chromatography. One part is the crude fructose solution, and the other part is the glucose solution; wherein the crude fructose solution is subjected to nanofiltration to remove oligosaccharides, and then concentrated to crystallize fructose. The glucose solution, together with oligosaccharides, is a by-product of fructose production (collectively referred to as glucose syrup). It can be seen that in the actual production of fructose, only 43% of fructose in fructose syrup is effectively utilized, and the remaining glucose s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12P19/24C12P19/20C12P19/02
Inventor 顾有劲张勇
Owner 蚌埠丰原涂山制药有限公司
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