Effective plant component extracting process

A technology of plant active ingredients and active ingredients, applied in the direction of solid solvent extraction, etc., can solve the problems of low extraction efficiency of plant active ingredients, solvent pollution of the environment, active ingredients, and low bioavailability of active ingredients, so as to shorten the crushing time and reduce separation Effect of extraction step, easier deagglomeration and dispersion

Inactive Publication Date: 2007-06-27
DALIAN SEM BIOLOGICAL ENG TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to overcome the technical problems of low extraction efficiency of plant active ingredients, low extraction rate of active ingredients, low

Method used

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  • Effective plant component extracting process
  • Effective plant component extracting process
  • Effective plant component extracting process

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Acanthopanax 500g, pretreated, impurity removed, dried until the water content is not higher than 20%, coarsely crushed to 60 mesh, added 10g of Na 2 CO 3 , crushed by planetary mill to get processed powder N 1 .

[0025] Weigh each portion of 5g processed powder N 1 60 meshes of Acanthopanax senticosus (GC) were conventionally crushed, respectively added with 50 ml of distilled water and 20% ethanol, and extracted at room temperature for 48 hours. After filtering with gauze and absorbent cotton, place the water extract and 20% alcohol extract in a 50°C water bath to evaporate to dryness, and weigh them respectively. The yield is shown in Table 1:

[0026] Table 1

[0027] sample

Embodiment 2

[0029] Acanthopanax 500g, pretreated, impurity removed, dried until the moisture content is not higher than 20%, coarsely crushed to 60 mesh, added 20g of NaHCO 3 , crushed by planetary mill to get processed powder N 2 .

[0030] Weigh each 5g processing powder N 2 60 meshes of Acanthopanax senticosus (GC) were conventionally crushed, respectively added with 50 ml of distilled water and 20% ethanol, and extracted at room temperature for 48 hours. After filtering with gauze and absorbent cotton, place the water extract and 20% alcohol extract in a 50°C water bath to evaporate to dryness, and weigh them respectively. The yield is shown in Table 2:

[0031] Table 2

[0032] sample

Embodiment 3

[0034] Acanthopanax 500g, pretreated, impurity removed, dried until the water content is not higher than 20%, coarsely crushed to 60 mesh, added 5 grams of NaOH, crushed by a planetary mill, and processed powder N 3 .

[0035] Weigh each portion of 5g processing powder N 3 60 meshes of Acanthopanax senticosus (GC) were conventionally crushed, respectively added with 50 ml of distilled water and 20% ethanol, and extracted at room temperature for 48 hours. After filtering with gauze and absorbent cotton, place the water extract and 20% alcohol extract in a 50°C water bath to evaporate to dryness, and weigh them respectively. The yield is shown in Table 3:

[0036] table 3

[0037] sample

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Abstract

The effective plant component extracting process includes mechanically crushing the mixture of solid plant material and proper amount of chemical assistant, and the subsequent extraction of the effective component with water or alcohol. The mechanical crushing can produce micro shearing strain in the interface, break cell wall, expose fresh cut surface and produce mutual adsorption and other action between the grain clusters and molecular groups of the chemical assistant and the effective component, so as to alter the microscopic performance of the effective plant component, raise the leached amount by 80-400 %, short the extracting period greatly, raise the extracting efficiency obviously raise the extraction specificity and selectivity, minimize the organic solvent in use, lower the extraction cost and raise the bioavailability of the extracted matter.

Description

technical field [0001] The invention belongs to the field of biotechnology and relates to a method for extracting effective plant components. Background technique [0002] The active ingredients of plant medicine usually exist in the vacuoles in the cell protoplasm. When the cells are intact, the solvent must first infiltrate the plant surface, then penetrate the cell wall and cell membrane, enter the cell tissue, dissolve the active ingredients, and form a concentration difference inside and outside the cell. The high-concentration leachate is forced to diffuse from the inside to the outside, and the dilute leachate or fresh solvent replaces the concentrated leachate at any time to complete a leaching process. This is the basic principle of extracting active ingredients by conventional methods such as maceration, percolation, Soxhlet reflux extraction, and dynamic extraction. The complete cell wall and cell membrane will form resistance to the release of active ingredients,...

Claims

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Application Information

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IPC IPC(8): B01D11/02
Inventor 徐永平金礼吉牛冬燕刘莹李晓宇尤建嵩林秋叶姜春生
Owner DALIAN SEM BIOLOGICAL ENG TECH
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