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A kind of preparation method of high-purity hydrogenated polydextrose

A technology for hydrogenating polydextrose, which is applied in the field of starch sugar derivatives preparation, can solve the problems of polydextrose with high sweetness, high DE value, and poor water solubility, and achieve the effects of high dietary fiber content, low DE value, and low sweetness

Active Publication Date: 2018-04-13
SHANDONG BAILONG CHUANGYUAN BIO TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The polydextrose prepared above mainly has problems such as high sweetness, high DE value, and poor water solubility, so it cannot meet the needs of the market

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] A method for preparing high-purity hydrogenated polydextrose includes the following steps:

[0030] (1) Adjust the mass concentration of maltose syrup to 45%, adjust the pH to 7.0, and hydrogenate for 2h under the action of a temperature of 130°C, a pressure of 5.0MPa, and a Raney nickel catalyst to obtain maltitol; after testing, the composition of maltitol The score reaches 92%;

[0031] After mixing maltitol, citric acid, and sorbitol in a mass ratio of 18:1:1, polymerization is carried out at a temperature of 160°C and a pressure of -0.1Mpa for 3h to obtain hydrogenated polydextrose;

[0032] (2) The hydrogenated polydextrose obtained in step (1) is chromatographically separated by cationic resin, the feed temperature is 35°C, and the secondary reverse osmosis water is used as the eluent to remove small molecular sugars;

[0033] Then, add 3‰ powdered activated carbon with a dry mass of the material liquid to the material liquid, heat and decolorize for 30 minutes at a temp...

Embodiment 2

[0038] A method for preparing high-purity hydrogenated polydextrose includes the following steps:

[0039] (1) Adjust the mass concentration of maltose syrup to 50%, adjust the pH to 9.0, and perform hydrogenation reaction for 5 hours at a temperature of 150°C, a pressure of 8.0 MPa, and a Raney nickel catalyst to obtain maltitol;

[0040] After mixing maltitol, citric acid, and sorbitol in a mass ratio of 16:1:1.5, polymerization is carried out at a temperature of 130°C and a pressure of -0.09Mpa for 4 hours to obtain hydrogenated polydextrose;

[0041] (2) The hydrogenated polydextrose prepared in step (1) is chromatographically separated by cationic resin, the feed temperature is 60°C, and the secondary reverse osmosis water is used as the eluent to remove small molecular sugars;

[0042] Then, add 3‰ powdered activated carbon with a dry mass of the material liquid to the material liquid, heat and decolorize for 30 minutes at a temperature of 80°C, filter with a plate and frame filt...

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Abstract

The invention relates to a preparing method for high-purity hydrogenated polydextrose. The preparing method includes the steps that 1, maltitol, citric acid and sorbitol are mixed for polymerization reaction to prepare hydrogenated polydextrose; the hydrogenated polydextrose is subjected to chromatographic separation, activated carbon decoloration, filtration, ion exchange and vacuum concentration to prepare the high-purity hydrogenated polydextrose. The preparing route that hydrogenated maltose is adopted to prepare maltitol, hydrogenated polydextrose is prepared from polymerization reaction is adopted for the first time, and hydrogenated polydextrose high in yield and purity can be obtained.

Description

Technical field [0001] The invention relates to a preparation method of high-purity hydrogenated polydextrose, belonging to the technical field of starch sugar derivatives preparation. Background technique [0002] As a new type of water-soluble dietary fiber, polydextrose has been approved for use as a health food ingredient in more than 50 countries. It is easily soluble in water and has no special taste. It is a food component with health-care functions. Used to make reinforced fiber foods. After entering the human digestive system, it can supplement the water-soluble dietary fiber needed by the human body, produce special physiological metabolic functions, keep the intestinal tract unobstructed, thereby preventing constipation, fat deposition, and reducing the risk of intestinal cancer. It also has functions that are not available and not obvious in insoluble dietary fiber, such as removing bile acid from the body, significantly reducing cholesterol in the body, making it eas...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08B37/02
CPCC08B37/0009
Inventor 张明站干昭波邵先豹窦光朋李方华
Owner SHANDONG BAILONG CHUANGYUAN BIO TECH
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