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Preparation technique for abstraction of inulin from chicory

A preparation process and a technology for chicory, applied in the field of plant extraction technology, can solve the problems of low inulin purity and yield, complex process, long extraction time, etc., and achieve the effects of enhancing extraction purity and yield, reasonable extraction process and shortening extraction time.

Inactive Publication Date: 2009-12-16
鞍山中兴生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The present invention aims at the problems existing in the above-mentioned prior art, and according to the modern extraction theory, conducts a large amount of exploration and test summary, develops a preparation process for extracting inulin, and solves the problem of low purity and yield of inulin extracted in the prior art , long extraction time and complex process, and the present invention is simple to operate and reduces production cost

Method used

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  • Preparation technique for abstraction of inulin from chicory

Examples

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Comparison scheme
Effect test

Embodiment 1

[0026] Extraction process of the present invention comprises the following steps:

[0027] Cleaning: remove impurities from fresh chicory rhizomes and wash them with water;

[0028] Broken: the washed chicory rhizomes are processed and cut into shreds;

[0029] Extraction: extract the rhizome of chicory processed into silk in countercurrent with water, the water consumption is 8 times that of the rhizome of chicory, the temperature is controlled at 50°C, the extraction time is 60min, until the residue remains, and the water extract A is obtained;

[0030] Filtration: Filter the residue in the leaching through a primary filter, a tube filter, and an ultrafiltration decolorization machine in sequence. The filtration temperature of the ultrafiltration decolorization machine is controlled at 40°C, and the recovery rate is controlled at 90%, to obtain filtrate B;

[0031] Nanofiltration concentration: the water extract A and filtrate B are filtered and concentrated through a nanof...

Embodiment 2

[0038] In the extraction step, the water consumption is 6 times that of the rhizome of chicory, the temperature is controlled at 40° C., and the extraction time is 80 minutes;

[0039] In the filtration step, the filtration temperature of the ultrafiltration decolorization machine is controlled at 30°C, and the recovery rate is controlled at 90%;

[0040] In the nanofiltration concentration step, the temperature is controlled at 35°C, the recovery rate is controlled at 50%, and the concentrated concentration is controlled at 18Brix;

[0041] In the decolorization step, decolorization is carried out at 30° C., concentrated solution C: activated carbon=350:1;

[0042] In the evaporation and concentration step, the water evaporation rate is 260Kg / H, the water content is controlled at 20%, and the concentration is concentrated to a solid content of 18%;

[0043] In the drying step, spray drying was carried out at 150° C., and other steps were the same as in Example 1.

Embodiment 3

[0045] Choose dried chicory, in the extraction step, the water consumption is 10 times that of chicory rhizome, the temperature is controlled at 60°C, and the extraction time is 40min;

[0046] In the filtration step, the filtration temperature is controlled at 50°C, and the recovery rate is controlled at 100%;

[0047] In the nanofiltration concentration step, at 55°C, the recovery rate is controlled to 70%, and the concentrated concentration is controlled to 28Brix;

[0048] In the decolorization step, decolorization is carried out at 50° C., concentrated solution C: activated carbon=500:1;

[0049] In the evaporation and concentration step, the water evaporation rate is 150Kg / H, the water content is controlled at 40%, and the concentration is concentrated to a solid content of 40%;

[0050] In the drying step, spray drying is carried out at 200° C., and the water content is lower than 5%. The other steps are the same as in Example 1.

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Abstract

The invention relates to a preparation process for extracting inulin, which comprises the following steps: cleaning, crushing, leaching with water, and successively filtering through a primary filter, a tube filter, and an ultrafiltration decolorizer, and then performing concentration by nanofiltration, Activated carbon decolorization, precision filtration, electrodialysis, evaporation concentration and spray drying. The inulin extracted by the invention has high purity and yield, short extraction time, simple process operation and reduced production cost.

Description

technical field [0001] The invention relates to a plant extraction process, in particular to a preparation process for extracting inulin, which belongs to the chemical extraction process. Background technique [0002] Inulin (inulin) and fructo-oligosaccharides have become an important functional food because of their clear structure and exact physiological and health functions. Japan's research, development and application are at the leading level in the world. The application and development in Europe, America and South Korea are also very fast. The research on functional fructo-oligosaccharides in my country started late in the 1990s, but developed rapidly in recent years. Jiangnan University undertook the National Science and Technology Commission's "Ninth Five-Year" research project to obtain scientific research results - enzymatic production of fructo-oligosaccharides, which is the third-generation health food functional factor, and is known as a high-tech biological ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08B37/00
Inventor 王庆君江敦化
Owner 鞍山中兴生物科技有限公司
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