CN109645033A - Tripterygium wilfordii organic insecticide and preparation method thereof - Google Patents
Tripterygium wilfordii organic insecticide and preparation method thereof Download PDFInfo
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- CN109645033A CN109645033A CN201811205380.7A CN201811205380A CN109645033A CN 109645033 A CN109645033 A CN 109645033A CN 201811205380 A CN201811205380 A CN 201811205380A CN 109645033 A CN109645033 A CN 109645033A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
- A01N65/08—Magnoliopsida [dicotyledons]
- A01N65/14—Celastraceae [Staff-tree or Bittersweet family], e.g. spindle tree, bittersweet or thunder god vine
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Abstract
Tripterygium wilfordii organic insecticide of the present invention and preparation method thereof belongs to preparation technique of pesticide field；The technical issues of solution are as follows: a kind of tripterygium wilfordii organic insecticide and preparation method thereof is provided, it is harmless, and have good insect killing effect to pests such as crop aphid, cabbage caterpillar, leaf roll pear leaf worm and bradysia odoriphagas, conducive to product promotion sale is formed；The technical solution of use are as follows: the preparation method of tripterygium wilfordii organic insecticide, the following steps are included: the first step, tripterygium wilfordii is crushed and screens powder, second step, powder is poured into extractor and dissolution solvent ethyl alcohol and ether is added, third step, dodecyl fatty alcohol ether is added and stirs evenly, 4th step, aceticanhydride is added and stirs, it separates wilfordic acid from tripterygium wilfordii and is dissolved in dissolution solvent, 5th step, retarder thinner ethyl alcohol and ether is added and stirs, 6th step, obtained mixed liquor is filtered, remove the dregs of a decoction, retain filtrate, 7th step, supernatant liquor is taken to be sealed as finished product after filtrate is precipitated.
Description
Technical field
Tripterygium wilfordii organic insecticide of the present invention and preparation method thereof belongs to preparation technique of pesticide field.
Background technique
Tripterygium wilfordii, Chinese medicine name are root, the Ye Jihua of Celastraceae plant tripterygium wilfordii.Summer, Qiu Caishou.Major function are as follows: kill
Worm, anti-inflammatory, removing toxic substances.
Tripterygium hypoglaucum hutcs, Chinese medicine name are the root of Celastraceae plant tripterygium hypoglaucum hutcs, have dispelling wind and eliminating dampness, and promoting blood circulation and hemostasis relaxes
The effect of muscle synthetism, removing toxic substances desinsection.
Tripterygium wilfordii and tripterygium hypoglaucum hutcs have disinsection efficiency, can be used as organic agricultural chemicals and kill the work such as cabbage caterpillar, aphid, bradysia odoriphaga
Object pest and harmless, but since the insecticidal constituent that its infusion can dissolve in is less and can not save, concentration is low to be caused
Its insecticidal effect is unobvious, and rural area also makes pesticide without using it mostly, and can not save, and makes it that can not promote or be formed production
Product sale.
Summary of the invention
The present invention overcomes the shortcomings of the prior art, technical problem to be solved are as follows: it is organic to provide a kind of tripterygium wilfordii
Insecticide and preparation method thereof, it is harmless, and have to pests such as crop aphid, cabbage caterpillar, leaf roll pear leaf worm and bradysia odoriphagas
Good insect killing effect, conducive to product promotion sale is formed.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention are as follows: the preparation side of tripterygium wilfordii organic insecticide
Method, comprising the following steps:
The first step, raw material crush, the plant material of collection are crushed in pulverizer, and screen powder, institute with the sieve of 80 mesh
Stating plant material is tripterygium wilfordii；
The plant powder of screening is poured into extractor, and dissolution solvent is added in extractor by second step, dissolution solvent it is total
Weight is the 90-110% of raw material weight, the components by weight percent in the dissolution solvent are as follows: 6.5-7.5 parts of ethyl alcohol, 2.5-3.5 parts of ether；
Third step is added dodecyl fatty alcohol ether and is stirred evenly in extractor, and the weight of dodecyl fatty alcohol ether is
The 70-90% of raw material weight；
Aceticanhydride is added in extractor and stirs 15-30min, separates wilfordic acid from the tripterygium wilfordii in raw material for 4th step
And be dissolved in dissolution solvent, the weight of aceticanhydride is the 70-90% of raw material weight；
Retarder thinner is added in extractor and stirs 9-12min for 5th step, and the weight of retarder thinner is the 4-6 of raw material weight
Times, the components by weight percent of the retarder thinner are as follows: 2.5-3.5 parts of ethyl alcohol, 1.5-2.5 parts of ether；
Mixed liquor in extractor is filtered by the 6th step with the strainer of 100 mesh, removes the dregs of a decoction, retains filtrate；
7th step, for 24 hours by filtrate precipitating, taking supernatant liquor is finished product, and finished product loading medicinal cupping is sealed.
7th step takes supernatant liquor finished product deposit after, sediment is removed into its internal fine slag and thin with vacuum filter
The liquid filtered out is packed into medicinal cupping as finished product and is sealed by soil.
The plant material includes tripterygium wilfordii and tripterygium hypoglaucum hutcs, and wherein tripterygium wilfordii accounts for the 60-80% of plant material gross weight,
Tripterygium hypoglaucum hutcs account for the 20-40% of plant material gross weight.
Purity of alcohol in the dissolution solvent and retarder thinner is 98.5-100%, and ether purity is 3.6-5%.
The dodecyl fatty alcohol ether purity is 60-80%
The aceticanhydride purity is 75-85%.
Tripterygium wilfordii organic insecticide, according to the method described above extracted finished product.
The application method of tripterygium wilfordii organic insecticide: the finished product in taking up medicine pot uses after being poured into water dilution uniformly, described
The weight of water is 800-1000 times of taken finished weight.
The application method of tripterygium wilfordii organic insecticide: the finished product in taking up medicine pot uses after being poured into water dilution uniformly, described
The weight of water is 900 times of taken finished weight.
Compared with the prior art, the invention has the following beneficial effects:
Organic agricultural chemicals of the present invention be by gradually add multi-solvents in the tripterygium wilfordii of crushing and activating agent be stirred to react after mistake
Extracted organic agricultural chemicals is filtered, there is fabulous deinsectization effect, to people, animal, environmentally friendly, maintains the ecological balance, and be easy to long
Phase saves, conducive to product promotion sale is formed.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention,
Technical solution in the present invention is clearly and completely described, it is clear that described embodiment is that a part of the invention is real
Example is applied, instead of all the embodiments；Based on the embodiments of the present invention, those of ordinary skill in the art are not making creation
Property labour under the premise of every other embodiment obtained, shall fall within the protection scope of the present invention.
Embodiment one
The preparation method of tripterygium wilfordii organic insecticide, comprising the following steps:
The first step, raw material crush, the 1kg tripterygium wilfordii plant material of collection are crushed in pulverizer, and with the sieve of 80 mesh sieve
Select powder；
Second step pours into the plant powder of screening in extractor, and 0.9kg dissolution solvent is added in extractor, described molten
Solving includes ethyl alcohol 0.65kg and ether 0.25kg in solvent；
Third step is added 0.7kg dodecyl fatty alcohol ether and is stirred evenly in extractor；
0.7kg aceticanhydride is added in extractor and stirs 15min, divides wilfordic acid from the tripterygium wilfordii in raw material for 4th step
From and be dissolved in dissolution solvent；
4kg retarder thinner is added in extractor and stirs 9-12min for 5th step, the retarder thinner include ethyl alcohol 2.5kg and
Ether 1.5kg；
Mixed liquor in extractor is filtered by the 6th step with the strainer of 100 mesh, removes the dregs of a decoction, retains filtrate；
7th step, for 24 hours by filtrate precipitating, taking supernatant liquor is finished product, and finished product loading medicinal cupping is sealed.
Preferably, the purity of alcohol in the dissolution solvent and retarder thinner is 98.5%, and ether purity is 3.6%.
Preferably, the dodecyl fatty alcohol ether purity is 60%
Preferably, the aceticanhydride purity is 75%.
The present invention soaks smashed Common Threewingnut Root with a small amount of ethyl alcohol and ether mixed liquor, the desinsection for keeping it internal
Component portion is dissolved in liquid, then improves insecticide to the insect killing effect of pest by addition dodecyl fatty alcohol ether and aceticanhydride
(dodecyl fatty alcohol ether is one kind of surfactant, and polypide surface mucosa can be destroyed after forming pesticide product, so that
Insecticide, which more easily control enters, realizes insect killing effect in polypide, and aceticanhydride then can make the macromolecular in Chinese herbal medicine be converted to high score
Son, can be more easily control into killing pest in polypide), the desinsection so that in tripterygium wilfordii is finally mixed with retarder thinner again
Ingredient is farthest precipitate into liquid, the higher concentration organic insecticide of concentration is obtained after final filtration, and can protect for a long time
It deposits, the finished product saved in taking up medicine pot when in use, is diluted with 800-1000 times of water, obtained liquid can be directly used for crop evil
Worm is killed.
When in use, it takes a small amount of finished product to dilute 1500 times with water, the crop blade face of long leaf roll pear leaf worm is sprayed on, through seeing
It examines, is observed after 1 hour, pest falls off 50%, observes after 2 hours, and pest falls off after 75%, 3 hours, and pest falls off 95%, and 4 hours
After observe, crop foliar pest is completely fallen off, and crop blade face activity recovery.
Embodiment two
The preparation method of tripterygium wilfordii organic insecticide, comprising the following steps:
The first step, raw material are crushed, the 0.8kg tripterygium wilfordii of collection and 0.2kg tripterygium hypoglaucum hutcs are crushed in pulverizer, and with 80
Purpose sieve screens powder；
Second step pours into the plant powder of screening in extractor, and 1kg dissolution solvent, the dissolution are added in extractor
It include ethyl alcohol 0.7kg and ether 0.3kg in solvent；
Third step is added the dodecyl fatty alcohol ether of 0.8kg and is stirred evenly in extractor；
The aceticanhydride of 0.8kg is added in extractor and stirs 20min, makes wilfordic acid from the tripterygium wilfordii in raw material for 4th step
It separates and is dissolved in dissolution solvent；
5kg retarder thinner is added in extractor and stirs 10min for 5th step, and the retarder thinner includes ethyl alcohol 3kg and ether
2kg；
Mixed liquor in extractor is filtered by the 6th step with the strainer of 100 mesh, removes the dregs of a decoction, retains filtrate；
7th step, for 24 hours by filtrate precipitating, taking supernatant liquor is finished product, and finished product loading medicinal cupping is sealed.
Preferably, the purity of alcohol in the dissolution solvent and retarder thinner is 98.5-100%, and ether purity is 3.6-
5%。
Preferably, the dodecyl fatty alcohol ether purity is 60-80%
Preferably, the aceticanhydride purity is 75-85%.
The present embodiment is reacted with tripterygium hypoglaucum hutcs cooperation tripterygium wilfordii, plays the role of synergy, obtained insecticide
Insect killing effect is more preferable, and the tripterygium wilfordii precipitation ratio in insecticide is also higher than single tripterygium wilfordii precipitation ratio.
Embodiment three
The preparation method of tripterygium wilfordii organic insecticide, comprising the following steps:
The first step, raw material are crushed, the 0.7kg tripterygium wilfordii of collection and 0.3kg tripterygium hypoglaucum hutcs are crushed in pulverizer, and with 80
Purpose sieve screens powder；
Second step pours into the plant powder of screening in extractor, and 1.1kg dissolution solvent is added in extractor, described molten
Solving includes ethyl alcohol 0.75kg and ether 0.35kg in solvent；
Third step is added 0.9kg dodecyl fatty alcohol ether and is stirred evenly in extractor；
0.9kg aceticanhydride is added in extractor and stirs 30min, divides wilfordic acid from the tripterygium wilfordii in raw material for 4th step
From and be dissolved in dissolution solvent；
Retarder thinner is added in extractor and stirs 12min for 5th step, and the weight of retarder thinner is 6 times of raw material weight, institute
It states in retarder thinner comprising ethyl alcohol 3.5kg and ether 2.5kg；
Mixed liquor in extractor is filtered by the 6th step with the strainer of 100 mesh, removes the dregs of a decoction, retains filtrate；
7th step, for 24 hours by filtrate precipitating, taking supernatant liquor is finished product, and finished product loading medicinal cupping is sealed.
Preferably, the purity of alcohol in the dissolution solvent and retarder thinner is 98.5-100%, and ether purity is 3.6-
5%。
Preferably, the dodecyl fatty alcohol ether purity is 60-80%
Preferably, the aceticanhydride purity is 75-85%.
7th step takes supernatant liquor finished product deposit after, sediment is removed into its internal fine slag and thin with vacuum filter
The liquid filtered out is packed into medicinal cupping as finished product and is sealed by soil.
The present embodiment will be in sediment in a manner of vacuum filter by secondary filter by filtered sediment waste residue
Liquid propose, abandon fine slag fine earth, sufficiently saved resource, reduce costs waste.
Example IV
The preparation method of tripterygium wilfordii organic insecticide, comprising the following steps:
The first step, raw material are crushed, the 0.6kg tripterygium wilfordii of collection and 0.4kg tripterygium hypoglaucum hutcs are crushed in pulverizer, and with 80
Purpose sieve screens powder；
Second step pours into the plant powder of screening in extractor, and 0.95kg dissolution solvent is added in extractor, described molten
Solving includes ethyl alcohol 0.68kg and ether 0.27kg in solvent；
Third step is added 0.85kg dodecyl fatty alcohol ether and is stirred evenly in extractor；
0.85kg aceticanhydride is added in extractor and stirs 25min, divides wilfordic acid from the tripterygium wilfordii in raw material for 4th step
From and be dissolved in dissolution solvent；
5.5kg retarder thinner is added in extractor and stirs 11min for 5th step, includes ethyl alcohol 3.2kg in the retarder thinner
With ether 2.3kg；
Mixed liquor in extractor is filtered by the 6th step with the strainer of 100 mesh, removes the dregs of a decoction, retains filtrate；
7th step, for 24 hours by filtrate precipitating, taking supernatant liquor is finished product, and finished product loading medicinal cupping is sealed.
7th step takes supernatant liquor finished product deposit after, sediment is removed into its internal fine slag and thin with vacuum filter
The liquid filtered out is packed into medicinal cupping as finished product and is sealed by soil.
Preferably, the purity of alcohol in the dissolution solvent and retarder thinner is 98.5-100%, and ether purity is 3.6-
5%。
Preferably, the dodecyl fatty alcohol ether purity is 60-80%
Preferably, the aceticanhydride purity is 75-85%.
The concentrate pesticidal of the extractable 8kg or so out of the plant material of 1kg saves in the present invention, and when in use,
Concentrate pesticidal, which can also dilute 800-1000 times, to carry out using insecticidal effect is higher than the direct infusion of tripterygium wilfordii, and desinsection
Ingredient is higher by 6000-8000 times than the amount of precipitation of infusion, and concentrate is additionally favorable for saving, suitable for finished product sales promotion is made.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (9)
1. the preparation method of tripterygium wilfordii organic insecticide, it is characterised in that the following steps are included:
The first step, raw material crush, the plant material of collection are crushed in pulverizer, and screen powder, institute with the sieve of 80 mesh
Stating plant material is tripterygium wilfordii；
The plant powder of screening is poured into extractor, and dissolution solvent is added in extractor by second step, dissolution solvent it is total
Weight is the 90-110% of raw material weight, the components by weight percent in the dissolution solvent are as follows: 6.5-7.5 parts of ethyl alcohol, 2.5-3.5 parts of ether；
Third step is added dodecyl fatty alcohol ether and is stirred evenly in extractor, and the weight of dodecyl fatty alcohol ether is
The 70-90% of raw material weight；
Aceticanhydride is added in extractor and stirs 15-30min, separates wilfordic acid from the tripterygium wilfordii in raw material for 4th step
And be dissolved in dissolution solvent, the weight of aceticanhydride is the 70-90% of raw material weight；
Retarder thinner is added in extractor and stirs 9-12min for 5th step, and the weight of retarder thinner is the 4-6 of raw material weight
Times, the components by weight percent of the retarder thinner are as follows: 2.5-3.5 parts of ethyl alcohol, 1.5-2.5 parts of ether；
Mixed liquor in extractor is filtered by the 6th step with the strainer of 100 mesh, removes the dregs of a decoction, retains filtrate；
7th step, for 24 hours by filtrate precipitating, taking supernatant liquor is finished product, and finished product loading medicinal cupping is sealed.
2. the preparation method of tripterygium wilfordii organic insecticide according to claim 1, it is characterised in that: the 7th step will be upper
After layer clear liquid finished product takes and deposit, sediment is removed into its internal fine slag and fine earth with vacuum filter, using the liquid filtered out as at
Product are packed into medicinal cupping and are sealed.
3. the preparation method of tripterygium wilfordii organic insecticide according to claim 1 or 2, it is characterised in that: the plant is former
Material includes tripterygium wilfordii and tripterygium hypoglaucum hutcs, and wherein tripterygium wilfordii accounts for the 60-80% of plant material gross weight, and tripterygium hypoglaucum hutcs account for plant original
Expect the 20-40% of gross weight.
4. the preparation method of tripterygium wilfordii organic insecticide according to claim 1 or 2, it is characterised in that: the dissolution is molten
Purity of alcohol in agent and retarder thinner is 98.5-100%, and ether purity is 3.6-5%.
5. the preparation method of tripterygium wilfordii organic insecticide according to claim 1 or 2, it is characterised in that: the dodecane
Base fatty alcohol ether purity is 60-80%.
6. the preparation method of tripterygium wilfordii organic insecticide according to claim 1 or 2, it is characterised in that: the aceticanhydride is pure
Degree is 75-85%.
7. tripterygium wilfordii organic insecticide, it is characterised in that: extracted finished product according to the method for claim 1.
8. the application method of tripterygium wilfordii organic insecticide as claimed in claim 7, it is characterised in that: the finished product in taking up medicine pot falls
Enter and used after being diluted in water uniformly, the weight of the water is 800-1000 times of taken finished weight.
9. the application method of tripterygium wilfordii organic insecticide according to claim 8, it is characterised in that: the finished product in taking up medicine pot
It is used after being poured into water dilution uniformly, the weight of the water is 900 times of taken finished weight.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811205380.7A CN109645033A (en) | 2018-10-16 | 2018-10-16 | Tripterygium wilfordii organic insecticide and preparation method thereof |
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| CN201811205380.7A CN109645033A (en) | 2018-10-16 | 2018-10-16 | Tripterygium wilfordii organic insecticide and preparation method thereof |
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ID=66110302
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1289540A (en) * | 2000-10-26 | 2001-04-04 | 西北农林科技大学无公害农药研究服务中心 | Tripterygium wilfordii insecticide and its preparing process |
| CN1437847A (en) * | 2003-03-10 | 2003-08-27 | 浙江医药股份有限公司新昌制药厂 | Use of thunder godvine extract preparation in prevention and control of farm and forest injurous insect |
| CN1656899A (en) * | 2004-02-20 | 2005-08-24 | 浙江医药股份有限公司新昌制药厂 | Preparation method of thunder godvine extract |
-
2018
- 2018-10-16 CN CN201811205380.7A patent/CN109645033A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1289540A (en) * | 2000-10-26 | 2001-04-04 | 西北农林科技大学无公害农药研究服务中心 | Tripterygium wilfordii insecticide and its preparing process |
| CN1437847A (en) * | 2003-03-10 | 2003-08-27 | 浙江医药股份有限公司新昌制药厂 | Use of thunder godvine extract preparation in prevention and control of farm and forest injurous insect |
| CN1656899A (en) * | 2004-02-20 | 2005-08-24 | 浙江医药股份有限公司新昌制药厂 | Preparation method of thunder godvine extract |
Non-Patent Citations (3)
| Title |
|---|
| 倪健: "《图表解中医备考丛书 中药药剂学》", 31 July 2013, 中国医药科技出版社 * |
| 童红云 等: ""雷公藤对菜青虫的毒理效应及防治试验"", 《华南农业大学学报》 * |
| 高静: "《全国普通高等医学院校药学类专业十三五规划教材 物理化学》", 31 January 2016, 中国医药科技出版社 * |
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