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Chitosan flocculant and preparation method thereof

A technology of chitosan and flocculant, which is applied in the production of sucrose, sugar production, purification of sugar juice, etc., can solve the problems of poor clarification effect, large nutrient loss of sugar cane juice, poor quality, etc., and achieves low water content, The effect of maintaining the original flavor and nutrition, and the preparation method is simple

Inactive Publication Date: 2017-07-14
NANNING SUGAR INDUSTRY CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the problems of large sugarcane juice nutrient loss, poor clarification effect, and poor quality in the prior art, the invention provides a chitosan flocculant and a preparation method thereof. The chitosan flocculant of the present invention has a simple preparation method, It is easy to use, can realize sugarcane juice clarification at low temperature, and has low energy consumption; both chitosan and food-grade phosphoric acid have clarification effect, and the clarification effect is good; it does not affect the original flavor and nutrients of sugarcane juice, and can be well maintained Sugarcane juice has original flavor and nutrition, and the obtained sugarcane juice is of high quality

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] A chitosan flocculant consisting of 1000mg of chitosan with an N-deacetylation degree of 90% and 20mL of food-grade concentrated phosphoric acid with a mass concentration of 85%.

[0023] Its preparation method is:

[0024] 1000mg N-deacetylation degree is that the chitosan of 90% is added in the food-grade concentrated phosphoric acid of 20mL mass concentration 85%, is stirred to fully dissolving, obtains chitosan flocculant; The concentration of described chitosan flocculant is 50mg / mL.

[0025] Sugar purification application:

[0026] The chitosan flocculant was diluted with deionized water to a concentration of 10 mg / mL, and used as a chitosan flocculant for sugar solution purification.

[0027] Using the same batch of initial pressed juice produced by a sulfite sugar factory in Guangxi as raw material, after coarse filtration with a 250 mesh filter cloth, this chitosan flocculant is added to the initial pressed juice at an amount of 20mg / L. Under the same operat...

Embodiment 2

[0032] A chitosan flocculant consisting of 1000mg of chitosan with an N-deacetylation degree of 90% and 40mL of food-grade concentrated phosphoric acid with a mass concentration of 85%.

[0033] Its preparation method is:

[0034] Add 1000mg of chitosan with a N-deacetylation degree of 90% to 40mL of food-grade concentrated phosphoric acid with a mass concentration of 85%, and stir at room temperature until completely dissolved to obtain a chitosan flocculant; the concentration of the chitosan flocculant 25mg / mL.

[0035] Sugar purification application:

[0036] The chitosan flocculant was diluted with deionized water to a concentration of 12.5 mg / mL, and used as a chitosan flocculant for sugar solution purification.

[0037] The same batch of primary juice produced by a sulfite sugar factory in Guangxi was used as raw material, and the chitosan flocculant was added to the primary juice after coarse filtration with a filter cloth of 250 mesh, and the addition amount was 15mg...

Embodiment 3

[0042] A chitosan flocculant consisting of 1000mg of chitosan with an N-deacetylation degree of 95% and 25mL of food-grade concentrated phosphoric acid with a mass concentration of 85%.

[0043] Its preparation method is:

[0044] Add 1000mg of chitosan with a N-deacetylation degree of 95% to 25mL of food-grade concentrated phosphoric acid with a mass concentration of 85%, and stir at room temperature until completely dissolved to obtain the chitosan flocculant; the concentration of the chitosan flocculant 40mg / mL.

[0045] Sugar purification application:

[0046] The chitosan flocculant was diluted with pure water to a concentration of 5 mg / mL, and used as the chitosan flocculant for sugar solution purification.

[0047] Using the same batch of initial pressed juice produced by a sulfite sugar factory in Guangxi as raw material, after coarse filtration with a 250-mesh filter cloth, this chitosan flocculant is added to the initial pressed juice at an amount of 30 mg / L. Unde...

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Abstract

The invention discloses a chitosan flocculant and a preparation method thereof. The chitosan flocculant is prepared from chitosan and food-grade strong phosphoric acid, wherein the dosage ratio of the chitosan to the food-grade strong phosphoric acid is 1000mg: 20 to 100mL. The preparation method comprises the steps of adding the chitosan into the food-grade strong phosphoric acid, stirring to completely dissolving, and obtaining the chitosan flocculant. The chitosan flocculant provided by the invention is simple in preparation method and convenient to use, can realize sugar cane juice clarification at low temperature, and is low in energy consumption; both the chitosan and the food-grade strong phosphoric acid have a clarification function, so that a clarification effect is good; an original flavor and nutrient substances of sugar cane juice cannot be influenced, and the original flavor and the nutrient of the sugar cane juice can be better maintained, so that the obtained sugar cane juice has high quality.

Description

technical field [0001] The invention belongs to the field of food processing, and in particular relates to a chitosan flocculant and a preparation method thereof. Background technique [0002] In recent years, with the change of people's consumption concept and the development of beverage production technology, the popularity of using stem-like plants to make beverages has risen rapidly. With the reputation of "blood fruit" and "tonifying medicine", sugarcane juice drinks are favored by consumers. In industrial production, sugarcane juice is usually obtained from sugar factories. Unclarified sugarcane juice contains a large amount of impurities such as colloids, ash, and muddy insolubles, making it turbid. Therefore, sugarcane juice clarification is an important part of the sugar production process. The first process is also one of the keys to the quality of sugarcane juice beverages. At present, sugarcane juice clarification processes are usually divided into: lime method...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C13B20/00
CPCC13B20/005
Inventor 钟伟雷光鸿王元春曹敏黄忠华岑跃伍明健滕新源玉贵滨韦如其
Owner NANNING SUGAR INDUSTRY CO LTD
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