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Method for preparing great burdock inulin by ultrasonic-microwave extraction

A technology of burdock inulin and microwave, which is applied in the field of extracting inulin by ultrasonic and microwave simultaneous extraction technology, which can solve the problems of large enzyme consumption, high processing temperature, and turbidity of the extract, so as to avoid the influence of products and accelerate the extraction of inulin , The effect of improving the extraction time

Active Publication Date: 2011-07-20
上海国矗生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method requires high processing temperatures, consumes a lot of energy, and requires a long extraction time
Furthermore, there are many impurities in the extract, the extract is turbid, and the post-treatment is complicated, which also increases the cost.
[0004] Enzyme extraction method is improved compared with traditional extraction method, but the process of enzyme extraction method is complicated, the yield is low, and it needs to consume a lot of enzymes, and the cost is high

Method used

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  • Method for preparing great burdock inulin by ultrasonic-microwave extraction
  • Method for preparing great burdock inulin by ultrasonic-microwave extraction

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] The invention relates to a method for simultaneously extracting and preparing burdock inulin by means of ultrasonic microwaves. The following process steps are adopted:

[0022] Take 5g of fresh burdock root, add 5mL of water to mix, beat thoroughly, then add 70mL of water, and mix well. Under the simultaneous action of 50W ultrasonic waves and 400W microwaves, treat for 1min, put the processed mixed solution into a DL-5 low-speed large-capacity centrifuge (Shanghai Precision Instrument Co., Ltd.), and centrifuge at 3900r / min for 5min to obtain inulin extract, chrysanthemum The sugar extraction rate is 100.02mg / g fresh burdock root. Add 40mg of activated carbon to the extract, decolorize, filter, concentrate under reduced pressure at 60°C, the reduced pressure is 0.02MPa, and spray dry at 120°C for 5min with a YC-015 spray dryer (Shanghai Yacheng Instrument Equipment Co., Ltd.) to obtain Solid inulin.

Embodiment 2

[0024] The invention relates to a method for simultaneously extracting and preparing burdock inulin by means of ultrasonic microwaves. The following process steps are adopted:

[0025] Take 10g of fresh burdock root, add 10mL of water to mix, beat thoroughly, then add 140mL of water, and mix well. The mixed solution was processed under the simultaneous action of 500W microwave and 50W ultrasonic wave for 1.5min, and the treated mixed solution was put into a DL-5 low-speed large-capacity centrifuge (Shanghai Precision Instrument Co., Ltd.), and centrifuged at 3900r / min for 5min to obtain burdock Inulin extract, the inulin extraction rate is 100.16mg / g fresh burdock root. Take 70 mg of activated carbon and add it to the extract, decolorize, filter, concentrate under reduced pressure at 60°C (the reduced pressure is 0.05MPa), and then use a YC-015 spray dryer (Shanghai Yacheng Instrument Equipment Co., Ltd.) Spray drying for 7 minutes to obtain inulin powder.

Embodiment 3

[0026] Embodiment 3 The present invention relates to a method for preparing burdock inulin by ultrasonic and microwave simultaneous extraction, using the following process steps:

[0027] Take 180g of fresh burdock root, add 180mL of water to mix, beat thoroughly, then add 2600mL of water, and mix fully. Under the simultaneous action of 50W ultrasonic waves and 900W microwaves, treat for 8 minutes, put the processed mixed solution into a DL-5 low-speed large-capacity centrifuge (Shanghai Precision Instrument Co., Ltd.), and centrifuge at 3900r / min for 12 minutes to obtain inulin extract, chrysanthemum The sugar extraction rate was 100.12mg / g fresh burdock root. Add 400mg of activated carbon to the extract, decolorize, filter, concentrate under reduced pressure at 70°C, and the reduced pressure is 0.08MPa, and spray dry at 185°C for 50min with a YC-015 spray dryer (Shanghai Yacheng Instrument Equipment Co., Ltd.) to obtain a solid Inulin powder.

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Abstract

The invention relates to a method for preparing great burdock inulin by ultrasonic-microwave synergistic extraction, in particular to a method for extracting great burdock inulin by using ultrasonic-microwave synergistic extraction technology. The method is characterized by comprising the following steps: mixing fresh great burdock roots and water, pulping the mixture to obtain great burdock pulpand mixing the great burdock pulp and water again to prepare mixed solution of the great burdock pulp; placing the mixed solution of the great burdock pulp into a cavity of equipment to perform ultrasonic-microwave synergistic extraction; centrifugally separating an extract obtained by the ultrasonic-microwave extraction, adding active carbon into supernatant for decolorization and filtering the extract to obtain a great burdock inulin extract; and concentrating great burdock inulin extract at reduced pressure, and subjecting the concentrated great burdock inulin extract to spray drying to obtain solid inulin.

Description

technical field [0001] The invention relates to a method for preparing burdock inulin by ultrasonic and microwave simultaneous extraction, in particular to a method for extracting inulin by ultrasonic and microwave simultaneous extraction. Background technique [0002] Burdock (Arctium lappa L.), also known as burdock grass, is a biennial herb of the genus Arctium in the Compositae family. It is distributed all over the country. It is not only a nutritious edible vegetable, but also a traditional Chinese medicine with high medicinal value. Many studies have shown that inulin, like fructooligosaccharides, can promote the proliferation of bifidobacteria and lactic acid bacteria in the human body, inhibit the growth of pathogenic bacteria such as Escherichia coli, Clostridium and reduce the growth of Salmonella. Inulin cannot be digested by enzymes in the human stomach and small intestine, but directly reaches the large intestine, which can promote the growth and activity of bi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08B37/18
Inventor 王洪新娄在祥王经华吕文平马朝阳张艳高扬
Owner 上海国矗生物科技有限公司