CN1138478C - Tripterygium wilfordii insecticide and its preparing process - Google Patents
Tripterygium wilfordii insecticide and its preparing process Download PDFInfo
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- CN1138478C CN1138478C CNB001298208A CN00129820A CN1138478C CN 1138478 C CN1138478 C CN 1138478C CN B001298208 A CNB001298208 A CN B001298208A CN 00129820 A CN00129820 A CN 00129820A CN 1138478 C CN1138478 C CN 1138478C
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- thunder godvine
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- aqueous emulsion
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- 241000830536 Tripterygium wilfordii Species 0.000 title claims description 15
- 239000002917 insecticide Substances 0.000 title claims description 13
- 238000000034 method Methods 0.000 title claims description 10
- 239000000839 emulsion Substances 0.000 claims abstract description 13
- 239000004530 micro-emulsion Substances 0.000 claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 241000607479 Yersinia pestis Species 0.000 claims abstract description 11
- 238000004519 manufacturing process Methods 0.000 claims abstract description 6
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 25
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- 239000002904 solvent Substances 0.000 claims description 11
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- YKUJZZHGTWVWHA-UHFFFAOYSA-N triptolide Natural products COC12CC3OC3(C(C)C)C(O)C14OC4CC5C6=C(CCC25C)C(=O)OC6 YKUJZZHGTWVWHA-UHFFFAOYSA-N 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
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- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 description 1
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- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
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- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 description 1
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- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
A radix Tripterygii Wilfordii pesticide is prepared by processing radix Tripterygii Wilfordii root bark into wettable powder, emulsifiable solution, emulsion in water, or microemulsion. The pesticide of the invention has obvious pesticide effect, high selectivity, low toxicity and low residue, is not easy to generate drug resistance by pests, has simple manufacturing process and low cost, accords with the development trend of the prior pesticide, and is suitable for popularization and application.
Description
The invention belongs to the pesticide processing field, specifically a kind of tripterygium insecticide and manufacture method thereof.
Thunder godvine (Tripterygium wilfordii Hook) is the Celastraceae tripterygium plant, have another name called herba fibraureae recisae root, thunderbolt wood, cabbageworm medicine, be perennial liane, it is the distinctive floristics of China, mainly be distributed in area, the middle and lower reach of Yangtze River, as Zhejiang, Anhui, Hubei, Hunan, Guizhou, Yunnan, Fujian, Taiwan and other places, be grown in 300～600 meters above sea level scrub forest of landform such as ditch ground, hillside more, adopt the cottage propagation technology to realize large tracts of land artificial planting thunder godvine at present.
Thunder godvine just is used for medical science and the various insects of control a long time ago in China, and is all on the books in a lot of books, but puts down in writing the most detailed with the Compendium of Material Medica that Qing Dynasty's Zhao Xuemin is write.Be used for controlling swelling, oedema, yellowish-white subcutaneous ulcer, malaria etc. on the traditional Chinese medical science, the multiple formula mouthpart insects that chew on the vegetables that are used to prevent and treat among the people more.Forefathers do a lot to the research of thunder godvine pesticide plant, and known velamen of Tripterygium wilfordii powder thing has food refusal, a stomach poison function to ape is chrysomelid; Root skin powder of thunder godvine and extract have food refusal, the effect of stomach toxicity paralysis to insects such as multiple lepidopterous larvaes such as imported cabbageworm, castor-oil plant noctuid, stinkbug looper and the flat abdomen stinkbug of beans, dicladispa armigera, potato ladybugs, sugarcane cotten aphid, cotton leafroller, three-coloured amaranth snout moth's larva there are action of contace poison, fine to the control efficiency of diamond-back moth, cabbage caterpillar, apple skin worm; In addition the velamen of Tripterygium wilfordii powder is processed into pulvis or liquid preparation and can be used for preventing and treating parasite on the fish, sanitary insect pests such as kill mosquitoes, cockroach and housefly.The scientific research personnel of Nuisanceless Pesticide Research Service Center, Xibei Agroforestry Science and T is through the system research of nearly two more than ten years, adopt biologically active to follow the trail of the method for tying mutually with chemical separation technology, from thunder godvine, isolate 21 compounds, and identified their molecular structure with insecticidal activity.The molecular structure of compound and the relation of insecticidal activity have also been grasped simultaneously.Determined that main insecticidal activity composition is wilfordine (Wilforodine) and triptolide (Triptolide) in the thunder godvine.But finding no so far with the thunder godvine is raw material, makes the report of vegetable insecticide.
The objective of the invention is to the thunder godvine is raw material, makes a kind of vegetable insecticide.
Implementation process of the present invention below is described in detail in detail.
One vegetative insecticide is characterized in that containing thunder godvine (Tripterygium Wilfordii Hook).
Insecticide of the present invention is raw material with the velamen of Tripterygium wilfordii, through certain process, can make thunder godvine wettable insecticidal dust, missible oil, aqueous emulsion, microemulsion.
Velamen of Tripterygium wilfordii can be made into thunder godvine wettable insecticidal dust through certain process with insecticides adjuvant and filler, and the weight percent of its each effective ingredient is:
Thunder godvine is organized fine powder 50～80%
Filler 15～40%
Insecticides adjuvant 5～15%
The filler that adopts in the wetting powder can be one or more in talcum powder, white carbon black, silicon bath soil, the bentonite, and insecticides adjuvant can be one or more mixtures of ten disulfide group sodium sulphate, dispersant N, lignin sodium sulfonate, washing powder, octyl group sodium phosphate, aliphatic alcohol polyethenoxy base ether, carboxymethyl cellulose etc.
The manufacture method of thunder godvine wetting powder is:
A. with velamen of Tripterygium wilfordii, the meal that is crushed to 1-5mm with the plant tissue cracker minces.
B. the crushed material of steps A gained is crushed to 95% with the high energy cracker and crosses 325 mesh sieves and filler, insecticides adjuvant are promptly made thunder godvine wettable insecticidal dust after fully mixing in proportion.
The velamen of Tripterygium wilfordii crushed material is through solvent extraction, and its extract can be used for preparing thunder godvine insecticidal emulsifiable concentrate, aqueous emulsion and microemulsion, and the weight percent of each component is in these three kinds of formulations:
A. missible oil
Triperygium wilfordii extractive 10～50%
Solvent 35～70%
Emulsifier 5～20%
Solvent in the missible oil is selected one or more in dimethylbenzene, methyl alcohol, ethanol, isopropyl alcohol, the ethyl acetate for use, emulsifier select for use OPEO, benzene diethylstilbestrol polyoxyethylene poly-oxygen propylene aether, calcium dodecyl benzene sulfonate, polyoxyethylene octadecanol phosphate, polyoxyethylene nonylphenol ether one or more.
B. aqueous emulsion
Triperygium wilfordii extractive 10～30%
Water 40～60%
Solvent 5～20%
Emulsifier 5～15%
Co-emulsifier 0.2～5%
Solvent in the aqueous emulsion is selected one or more in dimethylbenzene, ethanol, the ethyl acetate etc. for use; Emulsifier is selected one or more in alkyl polyglycol ether, alkyl phenyl polyglycol ether, polyoxyethylene sorbitol sugar alcohol acid anhydride ester, the polyoxyethylene fatty acid ester etc. for use; Co-emulsifier is selected one or more of alkane alcohols such as butanols, isobutanol, dodecanol-1, tetradecanol-1, octadecanol-1 for use.
C. microemulsion
Triperygium wilfordii extractive 10～40%
Water 40～50%
Emulsifier 10～20%
The emulsifier that adopts in the microemulsion has one or more in styrenated phenol APEO, polyethylene phenethyl phenolic ether oleate, Wang Ji phenol polyethenoxy ether, the xenol APEO etc.
The manufacture method of a kind of thunder godvine disinsection aqueous emulsion and microemulsion, adopt following steps:
A. thunder godvine is minced with the meal that the plant tissue cracker is crushed to 1-5mm;
B. the meal of steps A gained is minced and uses the solvent lixiviate, extract through vacuum concentration to being equivalent to 1-2kg dry powder/kg concentrate;
C. the solvent that adopts among the step B is an ethanol, any one or a few in ethyl acetate, chloroform, benzinum, the water, and the extract temperature is 50-80 ℃, extraction time is 6-48 hour;
D. concentrate and solvent, water, emulsifier, the co-emulsifier with step B gained mixes in the ratio of described each component of above-mentioned aqueous emulsion, adjusts at normal temperatures to stir, and promptly gets the thunder godvine aqueous emulsion;
E. with the concentrate of step B gained and water, emulsifier in the ratio of described each component of above-mentioned microemulsion in the rapid-result clipper of height, under 40-50 ℃ of temperature, stir, promptly get the thunder godvine pest killing micro emulsion.
The present invention can provide by following embodiment:
Embodiment 1: take by weighing velamen of Tripterygium wilfordii 60kg, be crushed to 95% and cross 325 mesh sieves, with this tissue fine powder with the white carbon black of 25kg, 5kg sodium lignin sulfonate, 5kg washing powder, 5kg dispersant N get final product after fully mixing 60% thunder godvine wettable insecticidal dust.200～800 times of liquid of this pulvis can be prevented and treated cabbage caterpillar, diamond-back moth, cabbage army worm, Chinese scholartree looper, insects such as mythimna separata, and preventive effect can reach more than 90%, longevity of residure 7-10 days.
Embodiment 2: take by weighing velamen of Tripterygium wilfordii 100kg, be crushed to the meal of 1-5mm, extracted 24 hours at 60 ℃ with industrial alcohol 150kg, concentrated extract is to 10kg under the vacuum condition, with isobutanol 10kg, dimethylbenzene 80kg, Wang Ji phenol polyethenoxy ether 10kg fully mixes, and promptly gets 10% thunder godvine insecticidal emulsifiable concentrate.800～1000 times of said preparations can be prevented and treated various pests such as apple yellow aphid, pear leaf worm, European red mite, cabbage caterpillar, diamond-back moth effectively, also can be used for various pest of stored grain such as control of maize resembles, red flour beetle, gelechiid, lesser grain borer.Embodiment 3: take by weighing velamen of Tripterygium wilfordii 100kg, be crushed to the meal of 1～5mm, extracted 48 hours down at 60 ℃ with ethyl acetate, with the vacuum concentration extract to 10k, 1-phenyl-1 dimethyl the ethane that adds 10kg, add the 50kg13.3% polyvinyl alcohol water solution again, 15% alkyl polyglycol ether, 5% isobutanol stir 5min with 7000r/min under normal temperature, get 10% thunder godvine aqueous emulsion.1000 times of liquid of said preparation can effectively be prevented and treated various chewing types and sucking pest, also can prevent and treat sanitary insect pests such as mosquito, fly simultaneously.
Embodiment 4: take by weighing velamen of Tripterygium wilfordii 100kg, be crushed to the meal of 1～5mm, extracted 15 hours down at 60 ℃ with chloroform, use the vacuum concentration extract to 10kg.With 70kg water and 15kg phenethyl polyethenoxy ether, the calcium dodecyl benzene sulfonate of 5kg mixes, and is added dropwise to extract under 40 ℃ of high-speed stirred, stirs under the constant temperature 30 minutes again, is cooled to room temperature and promptly gets 10% thunder godvine pest killing micro emulsion.1000 times of liquid of said preparation can be prevented and treated the primary pest on vegetables and the fruit tree, and also to the parasite on the fish, as Trichodina, Dactylogyrus etc. are effective especially.
Claims (3)
1. a vegetative insecticide is characterized in that making the thunder godvine disinsection aqueous emulsion with thunder godvine (Tripterygium Wilfordii Hook) extractive with organic solvent, and the percentage by weight of this aqueous emulsion each component is:
Triperygium wilfordii extractive 10～30%
Water 40～60%
Solvent is dimethylbenzene or ethanol or ethyl acetate 5～20%
Emulsifier is alkyl polyglycol ether or alkyl phenyl polyglycol ether or polyoxyethylene sorbitol sugar alcohol acid anhydride ester or polyoxyethylene fatty acid ester 5～15%
Co-emulsifier is butanols or isobutanol or dodecanol-1 or tetradecanol-1 or octadecanol-10.2～5%
2. a vegetative insecticide is characterized in that making the thunder godvine pest killing micro emulsion with thunder godvine (Tripterygium Wilfordii Hook) extractive with organic solvent, and the weight percent of this microemulsion each component is:
Triperygium wilfordii extractive 10-40%
Water 40-50%
Styrenated phenol APEO or polyethylene phenethyl phenolic ether oleate or Wang Ji phenol polyethenoxy ether or xenol APEO 10-20%
3. the manufacture method of thunder godvine disinsection aqueous emulsion and microemulsion is characterized in that adopting following steps:
A. thunder godvine is minced with the meal that the plant tissue cracker is crushed to 1-5mm;
B. the meal of steps A gained is minced and uses the solvent lixiviate, extract through vacuum concentration to being equivalent to 1-2kg dry powder/kg concentrate;
C. the solvent that adopts among the step B is an ethanol, any one or a few in ethyl acetate, chloroform, benzinum, the water, and the extract temperature is 50-80 ℃, extraction time is 6-48 hour;
D. concentrate and solvent, water, emulsifier, the co-emulsifier with step B gained mixes in the ratio of described each component of claim 1, adjusts at normal temperatures to stir, and promptly gets the thunder godvine aqueous emulsion;
E. with the concentrate of step B gained and water, emulsifier in the ratio of described each component of claim 2 in the rapid-result clipper of height, under 40-50 ℃ of temperature, stir, promptly get the thunder godvine pest killing micro emulsion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CNB001298208A CN1138478C (en) | 2000-10-26 | 2000-10-26 | Tripterygium wilfordii insecticide and its preparing process |
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| Application Number | Priority Date | Filing Date | Title |
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| CNB001298208A CN1138478C (en) | 2000-10-26 | 2000-10-26 | Tripterygium wilfordii insecticide and its preparing process |
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| CN1289540A CN1289540A (en) | 2001-04-04 |
| CN1138478C true CN1138478C (en) | 2004-02-18 |
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| KR101276241B1 (en) * | 2012-11-19 | 2013-06-26 | 류원희 | Manufacturing method of an insect repellent |
| CN109645033A (en) * | 2018-10-16 | 2019-04-19 | 杨广旦 | Tripterygium wilfordii organic insecticide and preparation method thereof |
| CN111713510B (en) * | 2020-06-08 | 2021-11-23 | 西北农林科技大学 | Application of gallnut extract in preparation of plant-derived resistance inducer and resistance inducer |
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