CN102838759B - Method and device for extracting eucommia ulmoides gum from insect excrement of insect eating eucommia ulmoides - Google Patents
Method and device for extracting eucommia ulmoides gum from insect excrement of insect eating eucommia ulmoides Download PDFInfo
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- CN102838759B CN102838759B CN201210355093.0A CN201210355093A CN102838759B CN 102838759 B CN102838759 B CN 102838759B CN 201210355093 A CN201210355093 A CN 201210355093A CN 102838759 B CN102838759 B CN 102838759B
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- eucommia ulmoides
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Abstract
The invention relates to a preparation method for a eucommia ulmoides gum, in particular to a method and a device for extracting the eucommia ulmoides gum from insect excrement of an insect eating eucommia ulmoides. The method adopts the following technical scheme that the method comprises the steps as follows: drying, extracting, filtering and drying. Based on a characteristic that dictyoploca japonica butler larvae like to eat leaves of the eucommia ulmoides and natural eucommia ulmoides gum is difficult to metabolize in living organisms, the eucommia ulmoides gum is extracted from excrement of dictyoploca japonica butler larvae, so that eucommia ulmoides resources can be utilized and protected to the greatest extent. The obtained extract is high in purity, the gum productive rate is higher, the color and the luster of the extracted eucommia ulmoides gum are good, the production steps are simple, the usage amount of a solvent is small, and the risk level is low. Steps of stewing, fermenting and the like in the conventional extraction mode are avoided, the gum productive rate is greatly increased, the extraction cost is saved, and the extracted eucommia ulmoides gum is greatly improved in stretchability, toughness and elasticity.
Description
Technical field
The present invention relates to the preparation method of gutta-percha, relate in particular to a kind of method and device that utilizes the insect worm excrement of the edible bark of eucommia to extract gutta-percha.
Background technology
The today soaring in world's natural gum resource provisioning anxiety, price, increase income and decrease expenditure and become the realistic problem that global rubber industry faces.How to expand the rubber raw materials extent of supply, become the focus that industry is new.The tradition medicinal plant bark of eucommia becomes the second natural gum resource except rubber tree, and the bark of eucommia is Chinese distinctive famous and precious economic tree, is also the widest important collagen plant of the scope of application in the world.
Gutta-percha is the natural macromolecular material that originates from gutta-percha tree, identical with the chemical composition of para rubber, just microtexture difference.Both are isomerss.Gutta-percha is using trans-polyisoprene, and para rubber is cis-polyisoprene.World rubber industry was born over more than 100 year.Para rubber, because having elasticity, is called natural rubber by custom at rubber circle, and is used widely.And gutta-percha is the potential substitute of natural gum, if China can produce gutta-percha in enormous quantities, and gutta-percha is applied to automobile, plane tyre exploitation, comply with in the world with anti-form-1,4 structure rubbers are main, the development long lifetime, safety, the trend of energy-conservation " green tire ", by for the poor China of natural rubber provides new, the standby glue kind of steady sources abundance, promotes China's rubber industry to develop rapidly and healthily, also may change the general layout that international natural rubber distributes, promote the development of world rubber industry.
The utilization history of Folium Eucommiae is not long, but the breakthrough of the peculiar gutta-percha processing technology of eucommia health care product and China and the exploitation of Folium Eucommiae feed bring new hope all can to the full use of the bark of eucommia in the world, especially after gutta-percha and series product development success, by driving the formation of Comprehensive Exploitation of Eucommia ulmoides large industry and the bark of eucommia to produce healthy and stable development, also can promote improving constantly of bark of eucommia economic benefit simultaneously.
Production base is positioned at domestic Lueyang County, the Qinling Mountains, and this county stops one of base as Du of China's maximum, has 1.3 hundred million strains, 580,000 mu of high-quality eucommia resources.The growth that Qinling Mountains physical environment richly endowed by nature is this rare ancient tree provides good hotbed.But because the production cycle of gutta-percha tree is long, if only rely on bark and other positions to extract natural gutta-percha, can cause great destruction to eucommia resource, ginkgo Io moth is one of main disease and pest of Growth of Eucommia ulmoides phase, gutta-percha is a kind of white rope, chemical composition is trans-Isosorbide-5-Nitrae-polyisoprene, has the duplicity of rubber-plastics, be called as the second natural gum, be that subject range is the widest in the world, the high-quality Jiao Yuan of development potentiality maximum, has good development prospect.
Summary of the invention
Invention object: for provide a kind of can be for China provides new, standby glue kind of steady sources abundance and preparation method thereof, this kind of method do not affect again natural Growth of Eucommia ulmoides, and can profoundly probe into worm excrement in the purposes of preparing in gutta-percha.
In order to reach as above object, the present invention takes following technical scheme: a kind of method of utilizing the insect worm excrement of the edible bark of eucommia to extract gutta-percha, it is characterized in that, and comprise following steps:
Dry: worm excrement is fully dried;
Lixiviate: adopt sherwood oil or ether to carry out once above lixiviate to dried worm excrement, each extraction time is 1-2 hour;
Filter: immersion liquid is filtered, and rinse filter residue with flowing water;
Dry: filter residue is dried under 70-75 DEG C of condition.
The further technical scheme of the present invention is, before described step is dry, also comprises following steps, water-bath and washing, and described water-bath and washing refer to 75 DEG C of water-baths 15 minutes for worm excrement, then flowing water flushing.
The further technical scheme of the present invention is, the insect of described worm excrement is the larva of ginkgo Io moth (Dictyoploca japonica Butler).
The further technical scheme of the present invention is, described ginkgo Io moth larva worm age is 3-5 age.
The further technical scheme of the present invention is, stating extracting times is three times, and described extraction time is 2 hours.
The further technical scheme of the present invention is, the fecula stool of collection is placed in screen device and carried out water-bath and washing.
The worm excrement of ginkgo Io moth (Dictyoploca japonica Butler) is in the purposes of preparing in gutta-percha.
The device of preparing gutta-percha technique and collect worm excrement for worm excrement, is characterized in that, comprises treating pond, has more than one operating walk way on treating pond, and described more than one operating walk way all includes the bottom of sieve aperture.
Adopt as above the present invention of technical scheme; utilize ginkgo Io moth larva happiness food Folium Eucommiae and natural gutta-percha to be difficult in vivo this characteristic of metabolism; from the ight soil of ginkgo Io moth larva, extract gutta-percha, can utilize to greatest extent and protect eucommia resource.
Because the young leaflet tablet of the bark of eucommia is eaten in the larva happiness of ginkgo Io moth, and the gutta-percha content of bark of eucommia young leaflet tablet is relatively low, therefore needs the kind of ginkgo Io moth to carry out acclimatization culture, increases the food leaf amount of larva, improves rate of gum output.
Extraction Method of Eucommia Rubber of the present invention, the extract purity of gained is high, and product glue rate is also higher, and the gutta-percha color and luster of separating out is good, and production process is simple, and solvent load is little, dangerous little.
The polymerization of gutta-percha is to carry out under the effect of biological enzyme, Folium Eucommiae is after the digestion and absorption of ginkgo Io moth larva, from the ight soil of output, extract gutta-percha, avoid the link such as boiling, fermentation in traditional extracting mode, greatly improve product glue rate, and saved extraction cost, and the gutta-percha proposing also has greatly improved in the quality aspect stretchiness, toughness, elasticity.
Embodiment
Below embodiments of the invention are described, embodiment is not construed as limiting the invention:
How the blade of the larva happiness food bark of eucommia of ginkgo Io moth, therefore extract the gutta-percha that content is higher from the ight soil of larva, is the current technical issues that need to address.
Ginkgo Io moth 3 instar larvaes of cultivation are placed on the operating walk way for the treatment of pond setting, fresh, clean Folium Eucommiaes are placed in four corners of each treating pond, and operating walk way bottom design is become to sieve-mesh, are convenient to ventilated and collection ight soil.
The placement location of the blade of the bark of eucommia at this place does not cause restriction to specific embodiment of the invention.
After the ight soil of collection is weighed, place in screen device, with 75 DEG C of water-bath 15min, then flowing water rinses 2h, after being dried, puts into solvent extraction device again, uses sherwood oil lixiviate, extracts altogether each 1-2 hour 3 times.Vat liquor filters and rinses filter residue with flowing water, and filter residue is dried under 70-75 DEG C of condition, obtains canescence essence glue, the product glue rate of this method more than 30%, gutta-percha purity > 80%.
The present embodiment insect used is preferably larva, especially the 3-5 instar larvae of ginkgo Io moth (Dictyoploca japonica Butler).
Be below a kind of preferred embodiment, this kind of embodiment do not cause restriction to specific embodiment of the invention.Such as, the present invention can also select these type of insects such as looper.
According to the ginkgo Io moth features such as place selectivity is strong, the ovum phase long, pieces of an egg are concentrated of laying eggs, organize manpower to collect worm's ovum, be placed on the operating walk way for the treatment of pond, control and hatch envrionment temperature at 22 DEG C-26 DEG C, humidity 40%-60%, fast culture to 3 instar larvae.
Gather fresh Eucommia ulmoides Oliv. leaves, clean, be placed on four corners for the treatment of pond after pulverizing, sieve-mesh is arranged in bottom, every nook and cranny, facilitates the collection of insect ight soil.
After the larva ight soil 2000g of collection is weighed, place in screen device, with 75 DEG C of water-bath 15min, then flowing water rinses 2h, after being dried, puts into solvent extraction device again, with the lixiviate of 6000ml sherwood oil, extracts altogether each 2 hours 3 times.
Vat liquor filters and rinses filter residue with flowing water, and filter residue is dried under 70-75 DEG C of condition, obtains canescence essence glue 648.2g.
It is 32.41% that the worm excrement obtaining of this method produces glue rate, and through qualification, gutta-percha purity is 83.30%.
It should be noted that, the foster insect of the present invention also can weave silk and knot, and can also be used for textile industry.
More than show and described ultimate principle of the present invention, principal character and advantage of the present invention.Those skilled in the art should understand the present invention and not be restricted to the described embodiments; that in above-described embodiment and specification sheets, describes just illustrates principle of the present invention; do not taking off under the prerequisite of high spirit and scope of the invention; the present invention also has various changes and modifications, and these changes and improvements all fall in claimed scope.
Claims (6)
1. utilize the insect worm excrement of the edible bark of eucommia to extract a method for gutta-percha, it is characterized in that, comprise following steps:
Dry: worm excrement is fully dried, and the insect of described worm excrement is the larva of ginkgo Io moth (Dictyoploca japonica But ler);
Lixiviate: adopt sherwood oil or ether to carry out once above lixiviate to dried worm excrement, each extraction time is 1-2 hour;
Filter: immersion liquid is filtered, and rinse filter residue with flowing water;
Dry: filter residue is dried under 70-75 DEG C of condition.
2. a kind of method of utilizing the insect worm excrement of the edible bark of eucommia to extract gutta-percha as claimed in claim 1, it is characterized in that, before described step is dry, also comprise following steps, water-bath and washing, described water-bath and washing refer to 75 DEG C of water-baths 15 minutes for worm excrement, then flowing water flushing.
3. a kind of method of utilizing the insect worm excrement of the edible bark of eucommia to extract gutta-percha as claimed in claim 1, is characterized in that, described ginkgo Io moth larva worm age is 3-5 age.
4. a kind of method of utilizing the insect worm excrement of the edible bark of eucommia to extract gutta-percha as claimed in claim 1, is characterized in that, described extracting times is three times, and described extraction time is 2 hours.
5. a kind of method of utilizing the insect worm excrement of the edible bark of eucommia to extract gutta-percha as claimed in claim 2, is characterized in that, the fecula stool of collection is placed in screen device and carried out water-bath and washing.
6. the worm excrement of ginkgo Io moth (Dictyoploca japonica But ler) is in the purposes of preparing in gutta-percha.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210355093.0A CN102838759B (en) | 2012-09-21 | 2012-09-21 | Method and device for extracting eucommia ulmoides gum from insect excrement of insect eating eucommia ulmoides |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210355093.0A CN102838759B (en) | 2012-09-21 | 2012-09-21 | Method and device for extracting eucommia ulmoides gum from insect excrement of insect eating eucommia ulmoides |
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| CN102838759A CN102838759A (en) | 2012-12-26 |
| CN102838759B true CN102838759B (en) | 2014-10-15 |
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| CN111621067B (en) * | 2020-06-17 | 2022-06-14 | 西北农林科技大学 | Method for extracting and separating gutta-percha from eucommia ulmoides Mengni armyworm larva dung |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4503071A (en) * | 1976-08-18 | 1985-03-05 | Sumitomo Chemical Company, Limited | Insecticidal composition containing optically active α-cyano-3-phenoxybenzyl 2-(4-chlorophenyl)isovalerate |
| CN1088601A (en) * | 1992-12-24 | 1994-06-29 | 中国科学院化学研究所 | A kind of method of extracting gutta-percha |
| CN1252215A (en) * | 1998-10-27 | 2000-05-10 | 杨振堂 | Gettama callus inducing and gettma gum extracting method |
| CN1948410A (en) * | 2006-11-08 | 2007-04-18 | 贵州大学 | Method of extracting gutta percha by solvent circulation |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2675268Y (en) * | 2004-02-25 | 2005-02-02 | 左广胜 | Roller type continuous high efficiency solid-liquid separator |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4503071A (en) * | 1976-08-18 | 1985-03-05 | Sumitomo Chemical Company, Limited | Insecticidal composition containing optically active α-cyano-3-phenoxybenzyl 2-(4-chlorophenyl)isovalerate |
| CN1088601A (en) * | 1992-12-24 | 1994-06-29 | 中国科学院化学研究所 | A kind of method of extracting gutta-percha |
| CN1252215A (en) * | 1998-10-27 | 2000-05-10 | 杨振堂 | Gettama callus inducing and gettma gum extracting method |
| CN1948410A (en) * | 2006-11-08 | 2007-04-18 | 贵州大学 | Method of extracting gutta percha by solvent circulation |
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