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Preparation method for clarified locust bean gum

The technology of locust bean gum and locust bean is applied in the directions of food preparation, application, food science, etc., which can solve the problems of low product utilization rate, difficult to ensure complete dissolution, agglomeration, etc., and achieves simple process, best product fluidity, The effect of reducing the viscosity of the solution

Active Publication Date: 2014-07-30
TONGLIAO HUANGHELONG BIOENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In addition, when the refined locust bean gum (CLBG) is dissolved, sometimes there will be agglomeration, especially the product with a very fine particle size, so even if it is dissolved for a long time, it is difficult to ensure its complete dissolution, resulting in low product utilization.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] (1) Dissolve LBG in shallow well water at a concentration of 1% (w / v) and start stirring at a stirring speed of 150rpm, add magnesium chloride and potassium chloride, and adjust the mass concentration of magnesium chloride to 0.2‰ and potassium chloride to 0.4‰ , and adjust the pH to 13 with calcium hydroxide, raise the temperature to 90~95°C, and keep it for 1.5 hours.

[0034] (2) Add perlite filter aid, adjust the mass concentration of the filter aid at 1.5% to keep the filtrate clear and filter smoothly, continue to stir for 20 minutes, and filter with a plate and frame filter press.

[0035] (3) Adjust the pH value of the obtained clarified filtrate to 7 with citric acid; add 85% alcohol for extraction, the volume ratio of the filtrate to the solvent is 1:2, then wash once with 85% alcohol equal to the filtrate, and filter.

[0036] (4) Squeeze the extract, dry it at 66°C for about one hour, crush it, and sieve it.

[0037] (5) Spray monostearic acid glyceride whi...

Embodiment 2

[0039](1) Dissolve LBG in shallow well water at a concentration of 1.5% (w / v) and start stirring at a stirring speed of 230rpm, add magnesium chloride and potassium chloride, adjust the mass concentration of magnesium chloride and potassium chloride to 0.3‰, and oxidize with hydrogen Adjust the pH to 11 with calcium, raise the temperature to 85-90°C, and keep it for 3 hours.

[0040] (2) Add perlite filter aid, adjust the mass concentration of the filter aid at 2% to keep the filtrate clear and filter smoothly, continue to stir for 10 minutes, and filter with a plate and frame filter press.

[0041] (3) Adjust the pH value of the obtained clarified filtrate to 6 with citric acid; add 85% alcohol or isopropanol for extraction, the volume ratio of the filtrate to the solvent is 1:2, and then use 85% alcohol or Rinse once with isopropanol and filter.

[0042] (4) Squeeze the extract, dry it at 66°C for about one hour, crush it, and sieve it.

[0043] (5) Spray monostearin glyce...

Embodiment 3

[0045] (1) Dissolve LBG in deep well water at a concentration of 1.6% (w / v) and start stirring at a stirring speed of 240rpm, add magnesium chloride and potassium chloride, and adjust the mass concentration of magnesium chloride to 0.4‰ and potassium chloride to 0.2‰ , and adjust the pH to 12 with calcium hydroxide, raise the temperature to 95~100°C, and keep it for 1 hour.

[0046] (2) Add perlite filter aid, adjust the mass concentration of the filter aid at 1.5% to keep the filtrate clear and filter smoothly, continue to stir for 30 minutes, and filter with a plate and frame filter press.

[0047] (3) Adjust the pH value of the obtained clarified filtrate to 8 with citric acid; add 85% alcohol or isopropanol for extraction, the volume ratio of the filtrate to the solvent is 1:2, and then use 85% alcohol or Rinse once with isopropanol and filter.

[0048] (4) Squeeze the extract, dry it at 66°C for about one hour, crush it, and sieve it.

[0049] (5) Spray monostearic acid...

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Abstract

The invention relates to a preparation method for clarified locust beam gum, and belongs to the technical field of locust bean gum clarifying. The preparation method is characterized in that the clarifying process comprises the following steps: dissolving the locust bean gum powder (LBG) in water and adding magnesium chloride and potassium chloride to regulate the ions in solution and to increase the light transmission rate of the clarified locust bean gum; filtering, extracting, drying and crushing after adjusting the pH through alkalis and heating and insulating the solution to obtain the clarified locust bean gum (CLBG); sprinkling a dispersant to the clarified locust bean gum. The CLBG obtained by clarifying the LBG according to the technical process provided by the invention has the advantages that the solution has excellent transparency and the problem of product turbidity is solved; the diffusion type CLBG is also obtained by adding the dispersant to the CLBG, thereby increasing the diffusion of the CLBG in water, avoiding the agglomeration phenomena, and shortening the dissolving time.

Description

technical field [0001] The invention discloses a method for preparing refined locust bean gum, belonging to the technical field of locust bean gum refining. Background technique [0002] Locust bean gum (LBG) has been planted in the Mediterranean region for hundreds of years, and the height of the tree is 10-15m. The pods of locust bean gum are 10-20mm long, and the seeds inside are the source of commercial locust bean gum. The locust bean seeds are dehulled to remove the shell, and the endosperm after the germ is separated is ground and sieved to obtain locust bean gum of different fineness. [0003] In the food industry, locust bean gum is often compounded with other edible gums as thickeners, water-holding agents, adhesives and gelling agents. The combination of locust bean gum and carrageenan can form elastic jelly, while the use of carrageenan alone can only obtain brittle jelly. The combination of locust bean gum / seaweed gum and potassium chloride is widely used as ...

Claims

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Application Information

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IPC IPC(8): A23L1/0526A23L29/238
CPCA23L29/238
Inventor 赵换英许友民王志强
Owner TONGLIAO HUANGHELONG BIOENG
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