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A method for extracting eucommia gum by whole biological enzymatic method

A technology of enzymatic extraction and eucommia gum, which is applied in the field of natural rubber extraction, can solve the problems of no eucommia gum extraction method, etc., and achieve the effects of improving enzymatic hydrolysis, shortening the separation cycle, and saving energy

Active Publication Date: 2020-11-13
HENAN HENGRUIYUAN IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In summary, in the existing technology, there is no safe and efficient extraction method and related equipment for Eucommia gum that can be applied to industrial production

Method used

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  • A method for extracting eucommia gum by whole biological enzymatic method
  • A method for extracting eucommia gum by whole biological enzymatic method
  • A method for extracting eucommia gum by whole biological enzymatic method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0032] A method for extracting eucommia gum by whole biological enzymatic method, comprising the steps:

[0033] 1), first use the guillotine machine to cut the Eucommia bark guillotine as the raw material into an area of ​​not more than 25cm 2 Then put it into the normal temperature water to soak for 12 hours, then take it out, put it in a blasting machine and blast it to obtain Eucommia bark intermediate I for use;

[0034] In this step, the blasting temperature is controlled below 50°, the blasting pressure is controlled at 1.4MPa, and the blasting time is controlled at 0.3S;

[0035] 2), Put the Eucommia bark intermediate I obtained in step 1) into the aqueous solution of protease and repeatedly stir and wash for 6 hours, and then repeatedly stir and wash with water for 1.5 hours to obtain the Eucommia bark intermediate II:

[003...

Embodiment 2

[0043] A method for extracting eucommia gum by whole biological enzymatic method, comprising the steps:

[0044] 1), first use the guillotine machine to cut the Eucommia bark guillotine as the raw material into an area of ​​not more than 25cm 2 Then put it into the normal temperature water and soak it for 12.5 hours, then take it out, put it in a blasting machine and blast it to obtain Eucommia bark intermediate I for later use;

[0045] In this step, the blasting temperature is controlled below 50°, the blasting pressure is controlled at 1.5MPa, and the blasting time is controlled at 0.4S;

[0046] 2), Put the Eucommia bark intermediate I obtained in step 1) into the aqueous solution of protease and repeatedly stir and wash for 6.5 hours, and then repeatedly stir and wash with water for 2 hours to obtain the Eucommia bark intermediate II:

[0047] When washing in this step, various components are configured according to the following parts by weight: 100 parts of Eucommia ba...

Embodiment 3

[0054] A method for extracting eucommia gum by whole biological enzymatic method, comprising the steps:

[0055] 1), first use the guillotine machine to cut the Eucommia bark guillotine as the raw material into an area of ​​not more than 25cm 2 Then put it into the normal temperature water to soak for 13 hours, then take it out, put it in a blasting machine and blast it to obtain the Eucommia bark intermediate I for later use;

[0056] In this step, the blasting temperature is controlled below 50°, the blasting pressure is controlled at 1.8MPa, and the blasting time is controlled at 0.5S;

[0057] 2), put the Eucommia bark intermediate I obtained in step 1) into the aqueous solution of protease and repeatedly stir and wash for 7 hours, and then repeatedly stir and wash with water for 2.5 hours to obtain the Eucommia bark intermediate II:

[0058] When washing in this step, various components are configured according to the following parts by weight: 110 parts of Eucommia bark...

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Abstract

The invention relates to a method for extracting gutta-percha by an all-bioenzyme process, which comprises the following steps: carrying out explosion fragmentation on gutta-percha tree bark used as the raw material, decomposing protein components in the gutta-percha tree bark with proteinase, decomposing the intercellular wall and intercellular layer in the gutta-percha tree bark with pectinase, promoting the decomposition of cellulose and hemicellulose with cellulase so as to decompose the non-colloidal substances in the gutta-percha tree bark into components which can be completely separated from gutta-percha, and separating the target substance and waste components by rotating a separation cylinder of an enzymolysis device in a water tank, wherein the inner wall of the separation cylinder is provided with a bent plate stirring blade of which the cross section is angular, the included angle of the bent plate is not less than 120 degrees, the stirring blade and support shaft form an inclination angle of 10-15 degrees, and the bent plate is provided with elongated holes in a staggered mode to ensure that the target substance is thoroughly separated from the waste components. The method is clean, safe and environment-friendly, and has the advantages of low cost and high efficiency; the purity of the extracted gutta-percha is high and can reach 92% above; and the method is suitable for industrialized production.

Description

technical field [0001] The invention relates to a method for extracting natural gum, in particular to a method for extracting eucommia gum by a whole biological enzymatic method. Background technique [0002] Eucommia is a precious tree species unique to my country. As a kind of natural rubber, eucommia gum contained in Eucommia has the advantages of high insulation and corrosion resistance. It is a high-quality material for manufacturing submarine cables. Containers for medicines and excellent raw materials for fillings. Eucommia gum can also be used to make medical splints, automobile tires, shape memory materials, temperature detection materials, modified plastics and other rubber products, so it has broad application prospects. [0003] There are two types of methods for extracting eucommia gum from Eucommia ulmoides, one of which is: the raw material Eucommia bark should be fully fermented and then boiled with a strong alkaline aqueous solution, and then separated by a ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08J3/00C08L7/00
Inventor 李银环张学俊张萌萌苏晓兰宋通通辛振祥夏琳
Owner HENAN HENGRUIYUAN IND
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