Eucommia bark comprehensive utilization method and eucommia bark extract containing solution or eucommia bark gum containing solid prepared by method

A technology of eucommia gum and extract, which is applied to medical preparations, pharmaceutical formulations, plant raw materials and other directions containing active ingredients, can solve problems such as waste, loss, and low extraction efficiency, and achieve increased specific surface area and improved accessibility. , enhance the effect of hydrolysis

Inactive Publication Date: 2019-10-08
RES INST OF NON TIMBER FORESTRY CHINESE ACAD OF FORESTRY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method has the following disadvantages: (1) this method directly washes away the active ingredients of Eucommia leaves, bark, and seed coat, causing a lot of waste; (2) this method focuses on the final product, i.e. the separation and extraction of Eucommia gum , but ignores the separation and extraction of the effective components of Eucommia, wherein the effective components of Eucommia are lost in the suction filtration step after the ultrasonic vibration of ethanol and the material after the suction filtration is added to the laccase system for washing process under normal pressure; The cellulose, lignin etc. in have no influence or very slight influence, so total extraction efficiency is lower, and the component of obtained product is comparatively single (as chlorogenic acid or flavonoid etc.); (4) only through water washing The purity of Eucommia gum obtained by the method is low

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0100] A comprehensive utilization method of Eucommia, comprising:

[0101] (a) Prepare raw materials: collect eucommia leaves with a gum content of 3wt% as raw materials;

[0102] The eucommia leaves are collected before falling leaves in autumn, and the collected eucommia leaves are dried, and sprayed with 2% hydrochloric acid according to the dry weight ratio of the leaves. 25wt%;

[0103] (b) Steam explosion:

[0104] According to the volume filling material of automatic steam explosion machine (being 2m in the present embodiment 3 ), the set steam pressure is 1.1MPa, the pressure stabilization time is 120 seconds, the pressure is released to standard atmospheric pressure within 0.00875 seconds, and the rated steam consumption is 0.2 tons of steam per ton of dry matter raw material;

[0105] (c) Soda cooking:

[0106] Collect the blasted material, measure the moisture content of the material, and then use 1.3% NaOH and 2% H 2 o 2 The mixed aqueous solution (pH is 11....

Embodiment 2

[0112] A comprehensive utilization method of Eucommia, comprising:

[0113] (a) Prepare raw materials: collect the annual bark of Eucommia ulmoides with a gum content of 7wt% as raw materials;

[0114] The eucommia bark is collected before the leaves fall in autumn, and the collected eucommia bark is dried, sprayed with 3% hydrochloric acid according to the dry weight ratio of the eucommia bark, and covered after spraying to prevent water evaporation and make the dried eucommia bark fully absorb hydrochloric acid , making the bark moisture content of Eucommia reach 26wt%;

[0115] (b) Steam explosion:

[0116] According to the volume filling material of automatic steam explosion machine (being 2m in the present embodiment 3 ), the set steam pressure is 1.8MPa, the pressure stabilization time is 180 seconds, the pressure is released to standard atmospheric pressure within 0.00875 seconds, and the rated steam consumption is 0.2 tons of steam per ton of dry matter raw material;...

Embodiment 3

[0124] A comprehensive utilization method of Eucommia, comprising:

[0125] (a) Prepare raw materials: collect eucommia seed coats with a gum content of 17wt% as raw materials;

[0126] Eucommia ulmoides seeds are dehulled by a sheller to remove the kernels to obtain the eucommia seed coat, and the eucommia seed coat is dried, sprayed with 3% hydrochloric acid according to the dry weight ratio of the seed coat, and covered after spraying to prevent water from evaporating and dry the eucommia seed coat Sufficiently absorb hydrochloric acid, so that the moisture content of Eucommia ulmoides seed coat reaches 25wt%;

[0127] (b) Steam explosion:

[0128] According to the volume filling material of automatic steam explosion machine (being 2m in the present embodiment 3 ), the steam pressure is set to 2.2MPa, the pressure stabilization time is 220 seconds, the pressure is released to standard atmospheric pressure within 0.00875 seconds, and the rated steam consumption is 0.2 tons...

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Abstract

The invention relates to the field of eucommia bark utilization, in particular to a eucommia bark comprehensive utilization method and eucommia bark extract containing solution or eucommia bark gum containing solid prepared by the method. The eucommia bark comprehensive utilization method includes the steps: pretreating eucommia barks sequentially by the aid of acid solution and steam explosion; mixing and heating a pretreated product and alkaline solution; performing solid-liquid separation on the mixed and heated product to obtain the eucommia bark extract containing solution or the eucommiabark gum containing solid. By the aid of the method, the eucommia bark gum containing solid product with higher purity can be acquired, effective components in eucommia bark tissues can be sufficiently used, hemicellulose and cellulose are sufficiently degraded to obtain the eucommia bark extract containing solution with total general flavone, alkali-soluble polysaccharides, reducing sugar, lignin and sodium chloride, components in extracts are rich, and extraction rate is higher.

Description

technical field [0001] The invention relates to the field of eucommia utilization, in particular to a comprehensive utilization method of eucommia ulmoides and a solution containing eucommia extract or a solid containing eucommia gum obtained by the method. Background technique [0002] Eucommia ulmoides Oliver, also known as Bakelite, is a plant of the genus Eucommia in the family Eucommia. In traditional Chinese veterinary medicine, the bark and leaves of Eucommia ulmoides are used as growth-stimulating agents for livestock and poultry to promote growth, increase eggs, promote lactation and enhance animal immunity. Eucommia ulmoides extract usually refers to a mixture rich in chlorogenic acid, flavonoids and polysaccharides extracted from leaves, bark and other organs of Eucommia ulmoides. [0003] Eucommia ulmoides extract is generally extracted with solvents such as water or organic solvents (such as ethanol, ethyl acetate, etc.), and obtained after freeze-drying or ste...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61K36/46C08J3/00C08L7/00
CPCA61K36/46A61K2236/10A61K2236/331A61K2236/51C08J3/00C08J2307/00
Inventor 孙志强杜红岩杜庆鑫刘攀峰王璐杜兰英朱景乐丁欢欢
Owner RES INST OF NON TIMBER FORESTRY CHINESE ACAD OF FORESTRY
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