CN104448345A - Method for extracting eucommia ulmoides gum from eucommia ulmoides - Google Patents
Method for extracting eucommia ulmoides gum from eucommia ulmoides Download PDFInfo
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- CN104448345A CN104448345A CN201410698088.9A CN201410698088A CN104448345A CN 104448345 A CN104448345 A CN 104448345A CN 201410698088 A CN201410698088 A CN 201410698088A CN 104448345 A CN104448345 A CN 104448345A
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- eucommia
- bark
- gum
- eucommia ulmoides
- juice
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Abstract
The invention relates to a method for extracting eucommia ulmoides gum from eucommia ulmoides, belongs to an extraction method of plant extracts in the chemical industry. The method comprises the following steps: differently treating green leaves, tender branches and barks of eucommia ulmoides respectively to destroy cell structures, wherein the tissue containing eucommia ulmoides gum is fully damaged and the eucommia ulmoides gum is exposed; and then extracting, wherein the yield and extraction efficiency of eucommia ulmoides gum are improved to an extreme great extent. According to the method provided by the invention, by mechanically extruding green leaves and tender branches of eucommia ulmoides to initially damage the structure, then further damaging the cell structures by alcohol steep and ultrasonic treatment and fermentation of edible mushrooms by inoculation and finally fully damaging the tissue containing the eucommia ulmoide gum, so that when the eucommia ulmoide gum is extracted by using a conventional solvent extraction method, not only is the extraction efficiency high, but also the yield of the eucommia ulmoide gum is further improved.
Description
Technical field
The present invention relates to the extracting method of plant milk extract in chemical field, specifically a kind of method extracting gutta-percha from the bark of eucommia.
Background technology
The bark of eucommia is China's rare traditional Chinese medicine, has the cultivation history of more than 2,000 year in China, and its bark has very high pharmaceutical use, belongs to famous and precious tonic herb, and its taste is sweet, warm in nature.Have tonify the liver and kidney, strengthen muscles and bones, recuperating CHONG and REN meridians, solid through antiabortive effect.Can treat the pain in the waist and lower extremities or aching and limp unable that insufficiency of kidney-YANG causes, born of the same parents' tire that deficiency of liver-QI causes is solid, and scrotum is wet the disease such as to itch.Be listed in top grade in Shennong's Herbal.Folium Eucommiae is the raw material making Eucommia Tea, and Eucommia Tea has very high health value.The modern study bark of eucommia has rubbish in purged body, strengthens human body cell substance metabolism, prevents muscle skeleton aging, balanced human's blood pressure, decomposer inner cholesterol, reduces body fat, recovers blood vessel elasticity, diuresis heat-clearing, broad-spectrum antimicrobial, stimulating central nervous system, improves white cell pharmacological action.
Gutta-percha is a kind of natural rubber extracted from the leaf of gutta-percha tree, skin, root, and gutta-percha may be used for exploitation thermoplasticity functional materials, thermoelastic shape memory material, particularly our gutta-percha highly elastic material of developing.It may be used for the exploitation of aviation and industries concerned tire, comply with in the world based on trans glue, the trend of development long lifetime, high strength, safe, energy-conservation " green tire ", a series of significant problems such as perplexing tire intensity in air system and relevant industries, tyre life, tire friction heat release for a long time can be solved, reduce the disaster caused due to plane tyre explosion to greatest extent, for the development of China's national defense industry, aerospace industry provides Novel rubber material.
Summary of the invention
The object of this invention is to provide a kind of method extracting gutta-percha from the leaf of the bark of eucommia, not only improve the extraction process of gutta-percha, and the gutta-percha extracted there is very large lifting in yield.
For achieving the above object, technical scheme provided by the invention is: a kind of method extracting gutta-percha from the bark of eucommia, comprises the following steps:
1) choose the green blade of the fresh bark of eucommia and spray clean water clean, then adopt the mode of mechanical expression to process it, collect the squeezing material cake and juice that obtain, for subsequent use;
2) the squeezing material cake obtained in step 1) being dipped into volumetric concentration is 3-5h in the alcohol of 40-50%, and backward its applies ultrasonic wave, hyperacoustic applying mode is: first apply the ultrasonic wave 1min of frequency 350-370KHz to it and stop 0.5min, apply ultrasonic wave 1min that frequency is 100-120KHz again and stop 0.5min, the above-mentioned hyperacoustic applying process that circulates 4-6 time, filtration obtains filter residue and filtrate, for subsequent use;
3) be crushed to particle diameter after choosing the bark oven dry of the bark of eucommia and be no more than 50 orders, and by itself and step 2) in filter residue and juice in step 1) even according to the ratio mix of weight ratio 2:8:1, to the edible fungi liquid of its inoculation 5% after high-temp steam sterilizing, after inoculation temperature be 35-40 degree Celsius, relative humidity be 90-95% greenhouse in stack fermentation, till starting to grow mycelia;
4) by complete mixture and the step 2 of fermenting in step 3)) in filtrate, juice in step 1) mix according to the ratio that weight ratio is 1:3-5:2-3, and add the activity charcoal powder of gross weight 3% wherein, then apply microwave to it and reach 90-95 degree Celsius to make the temperature of mixed solution, keep naturally cooling after this state 0.5-1h, for subsequent use;
5) the mixture benzene after step 4) naturally cooling or toluene are used solvent extraction process extracting in 120-140MPa, temperature under being the condition of 50-70 degree Celsius, reclaim benzene after collecting benzene or methylbenzene extraction liquid or toluene solvant obtains the thick glue of the bark of eucommia, more namely thick for bark of eucommia glue ethanolic extraction purifying is obtained product.
In the present invention, withered Cortex Eucommiae branch or fallen leaves can also be added in step 3), withered Cortex Eucommiae branch or fallen leaves need first through clear water washes clean, then ovendry power is broken to 30-50 order, and concentration be 30-40%, temperature is soak 3-5h in the sodium hydroxide solution of 50-60 degree Celsius, between soak period, apply 30s ultrasonic wave every 30min to it, hyperacoustic frequency is 560-580KHz; Filter after immersion obtain powder mincing with tree bark powder, step 2) in filter residue, juice in step 1) be that the ratio mix of 5:2:8:1.5 is even according to weight ratio.
Beneficial effect: the present invention passes through bark of eucommia greenery and spray mechanical expression, its structure of preliminary destruction, and then by alcohol-pickled and ultrasonication, inoculate edible fungus fermented its cellularstructure of further destruction, finally make to destroy completely containing organizing of gutta-percha in it, re-use conventional solvent extraction process like this and carry out extracting when obtaining gutta-percha, not only extraction efficiency is higher, and also improves the yield of gutta-percha.
Embodiment
Below in conjunction with specific embodiment, the present invention is further elaborated.In various embodiments of the present invention, the solvent extraction process of final step obtains the thick glue of the bark of eucommia and purifies with ethanolic extraction the general extraction methods and purification process that are well known to the skilled person.
Embodiment 1
From the bark of eucommia, extract a method for gutta-percha, comprise the following steps:
1) choose the green blade of the fresh bark of eucommia and spray clean water clean, then adopt the mode of mechanical expression to process it, collect the squeezing material cake and juice that obtain, for subsequent use;
2) the squeezing material cake obtained in step 1) being dipped into volumetric concentration is 5h in the alcohol of 40%, and backward its applies ultrasonic wave, hyperacoustic applying mode is: first apply the ultrasonic wave 1min of frequency 350KHz to it and stop 0.5min, apply ultrasonic wave 1min that frequency is 100KHz again and stop 0.5min, the above-mentioned hyperacoustic applying process that circulates 6 times, filtration obtains filter residue and filtrate, for subsequent use;
3) be crushed to particle diameter after choosing the bark oven dry of the bark of eucommia and be no more than 50 orders, and by itself and step 2) in filter residue and juice in step 1) even according to the ratio mix of weight ratio 2:8:1, to the edible fungi liquid of its inoculation 5% after high-temp steam sterilizing, after inoculation temperature be 35-40 degree Celsius, relative humidity be 90-95% greenhouse in stack fermentation, till starting to grow mycelia;
4) by complete mixture and the step 2 of fermenting in step 3)) in filtrate, juice in step 1) mix according to the ratio that weight ratio is 1:3:3, and add the activity charcoal powder of gross weight 3% wherein, then apply microwave to it and reach 90 degrees Celsius to make the temperature of mixed solution, keep naturally cooling after this state 1h, for subsequent use;
5) the mixture benzene after step 4) naturally cooling or toluene are used solvent extraction process extracting in 120MPa, temperature under being the condition of 50 degrees Celsius, reclaim benzene after collecting benzene or methylbenzene extraction liquid or toluene solvant obtains the thick glue of the bark of eucommia, more namely thick for bark of eucommia glue ethanolic extraction purifying is obtained product.
Embodiment 2
From the bark of eucommia, extract a method for gutta-percha, comprise the following steps:
1) choose the green blade of the fresh bark of eucommia and spray clean water clean, then adopt the mode of mechanical expression to process it, collect the squeezing material cake and juice that obtain, for subsequent use;
2) the squeezing material cake obtained in step 1) being dipped into volumetric concentration is 3h in the alcohol of 50%, and backward its applies ultrasonic wave, hyperacoustic applying mode is: first apply the ultrasonic wave 1min of frequency 370KHz to it and stop 0.5min, apply ultrasonic wave 1min that frequency is 120KHz again and stop 0.5min, the above-mentioned hyperacoustic applying process that circulates 4 times, filtration obtains filter residue and filtrate, for subsequent use;
3) be crushed to particle diameter after choosing the bark oven dry of the bark of eucommia and be no more than 50 orders, and by itself and step 2) in filter residue and juice in step 1) even according to the ratio mix of weight ratio 2:8:1, to the edible fungi liquid of its inoculation 5% after high-temp steam sterilizing, after inoculation temperature be 35-40 degree Celsius, relative humidity be 90-95% greenhouse in stack fermentation, till starting to grow mycelia;
4) by complete mixture and the step 2 of fermenting in step 3)) in filtrate, juice in step 1) mix according to the ratio that weight ratio is 1:5:2, and add the activity charcoal powder of gross weight 3% wherein, then apply microwave to it and reach 95 degrees Celsius to make the temperature of mixed solution, keep naturally cooling after this state 0.5h, for subsequent use;
5) the mixture benzene after step 4) naturally cooling or toluene are used solvent extraction process extracting in 140MPa, temperature under being the condition of 70 degrees Celsius, reclaim benzene after collecting benzene or methylbenzene extraction liquid or toluene solvant obtains the thick glue of the bark of eucommia, more namely thick for bark of eucommia glue ethanolic extraction purifying is obtained product.
Embodiment 3
From the bark of eucommia, extract a method for gutta-percha, comprise the following steps:
1) choose the green blade of the fresh bark of eucommia and spray clean water clean, then adopt the mode of mechanical expression to process it, collect the squeezing material cake and juice that obtain, for subsequent use;
2) the squeezing material cake obtained in step 1) being dipped into volumetric concentration is 4h in the alcohol of 45%, and backward its applies ultrasonic wave, hyperacoustic applying mode is: first apply the ultrasonic wave 1min of frequency 360KHz to it and stop 0.5min, apply ultrasonic wave 1min that frequency is 110KHz again and stop 0.5min, the above-mentioned hyperacoustic applying process that circulates 5 times, filtration obtains filter residue and filtrate, for subsequent use;
3) be crushed to particle diameter after choosing the bark oven dry of the bark of eucommia and be no more than 50 orders, and by itself and step 2) in filter residue and juice in step 1) even according to the ratio mix of weight ratio 2:8:1, to the edible fungi liquid of its inoculation 5% after high-temp steam sterilizing, after inoculation temperature be 35-40 degree Celsius, relative humidity be 90-95% greenhouse in stack fermentation, till starting to grow mycelia;
4) by complete mixture and the step 2 of fermenting in step 3)) in filtrate, juice in step 1) mix according to the ratio that weight ratio is 1:4:2.5, and add the activity charcoal powder of gross weight 3% wherein, then apply microwave to it and reach 93 degrees Celsius to make the temperature of mixed solution, keep naturally cooling after this state 45min, for subsequent use;
5) the mixture benzene after step 4) naturally cooling or toluene are used solvent extraction process extracting in 130MPa, temperature under being the condition of 60 degrees Celsius, reclaim benzene after collecting benzene or methylbenzene extraction liquid or toluene solvant obtains the thick glue of the bark of eucommia, more namely thick for bark of eucommia glue ethanolic extraction purifying is obtained product.
Claims (1)
1. from the bark of eucommia, extract a method for gutta-percha, it is characterized in that, comprise the following steps:
1) choose the green blade of the fresh bark of eucommia and spray clean water clean, then adopt the mode of mechanical expression to process it, collect the squeezing material cake and juice that obtain, for subsequent use;
2) the squeezing material cake obtained in step 1) being dipped into volumetric concentration is 3-5h in the alcohol of 40-50%, and backward its applies ultrasonic wave, hyperacoustic applying mode is: first apply the ultrasonic wave 1min of frequency 350-370KHz to it and stop 0.5min, apply ultrasonic wave 1min that frequency is 100-120KHz again and stop 0.5min, the above-mentioned hyperacoustic applying process that circulates 4-6 time, filtration obtains filter residue and filtrate, for subsequent use;
3) be crushed to particle diameter after choosing the bark oven dry of the bark of eucommia and be no more than 50 orders, and by itself and step 2) in filter residue and juice in step 1) even according to the ratio mix of weight ratio 2:8:1, to the edible fungi liquid of its inoculation 5% after high-temp steam sterilizing, after inoculation temperature be 35-40 degree Celsius, relative humidity be 90-95% greenhouse in stack fermentation, till starting to grow mycelia;
4) by complete mixture and the step 2 of fermenting in step 3)) in filtrate, juice in step 1) mix according to the ratio that weight ratio is 1:3-5:2-3, and add the activity charcoal powder of gross weight 3% wherein, then apply microwave to it and reach 90-95 degree Celsius to make the temperature of mixed solution, keep naturally cooling after this state 0.5-1h, for subsequent use;
5) the mixture benzene after step 4) naturally cooling or toluene are used solvent extraction process extracting in 120-140MPa, temperature under being the condition of 50-70 degree Celsius, reclaim benzene after collecting benzene or methylbenzene extraction liquid or toluene solvant obtains the thick glue of the bark of eucommia, more namely thick for bark of eucommia glue ethanolic extraction purifying is obtained product.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410698088.9A CN104448345A (en) | 2014-11-28 | 2014-11-28 | Method for extracting eucommia ulmoides gum from eucommia ulmoides |
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| CN201410698088.9A CN104448345A (en) | 2014-11-28 | 2014-11-28 | Method for extracting eucommia ulmoides gum from eucommia ulmoides |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106750371A (en) * | 2016-12-14 | 2017-05-31 | 北京林业大学 | The extracting method of high-purity gutta-percha |
| CN109384939A (en) * | 2018-11-13 | 2019-02-26 | 东北林业大学 | A kind of fungi joint diluted alkaline extraction Cortex Eucommiae adhesive process |
| CN115521482A (en) * | 2022-08-12 | 2022-12-27 | 湖南中胶科技有限公司 | Novel method for extracting gutta-percha |
| CN116196346A (en) * | 2022-12-15 | 2023-06-02 | 吉首大学 | Method for extracting total active ingredients of eucommia bark and eucommia leaf |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101914211A (en) * | 2010-08-16 | 2010-12-15 | 西北农林科技大学 | Method for extracting eucommia rubber from initiated twig bark in eucommia leaf forest |
| CN101912432A (en) * | 2010-08-16 | 2010-12-15 | 西北农林科技大学 | Antioxidant substance extracted from branches, barks and leaves of eucommia bark leaved forest and extraction method thereof |
-
2014
- 2014-11-28 CN CN201410698088.9A patent/CN104448345A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101914211A (en) * | 2010-08-16 | 2010-12-15 | 西北农林科技大学 | Method for extracting eucommia rubber from initiated twig bark in eucommia leaf forest |
| CN101912432A (en) * | 2010-08-16 | 2010-12-15 | 西北农林科技大学 | Antioxidant substance extracted from branches, barks and leaves of eucommia bark leaved forest and extraction method thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106750371A (en) * | 2016-12-14 | 2017-05-31 | 北京林业大学 | The extracting method of high-purity gutta-percha |
| CN109384939A (en) * | 2018-11-13 | 2019-02-26 | 东北林业大学 | A kind of fungi joint diluted alkaline extraction Cortex Eucommiae adhesive process |
| CN115521482A (en) * | 2022-08-12 | 2022-12-27 | 湖南中胶科技有限公司 | Novel method for extracting gutta-percha |
| CN116196346A (en) * | 2022-12-15 | 2023-06-02 | 吉首大学 | Method for extracting total active ingredients of eucommia bark and eucommia leaf |
| CN116196346B (en) * | 2022-12-15 | 2024-01-26 | 吉首大学 | Method for extracting total active ingredients of eucommia bark and eucommia leaf |
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Application publication date: 20150325 |
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