CN1206923C - Biologic agricultural chemical prepared from liposoluble extract of gingko testa and its preparing process - Google Patents
Biologic agricultural chemical prepared from liposoluble extract of gingko testa and its preparing process Download PDFInfo
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- CN1206923C CN1206923C CN 01135667 CN01135667A CN1206923C CN 1206923 C CN1206923 C CN 1206923C CN 01135667 CN01135667 CN 01135667 CN 01135667 A CN01135667 A CN 01135667A CN 1206923 C CN1206923 C CN 1206923C
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- biopesticide
- fat
- extract
- soluble extract
- gingko
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- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
Water soluble material in gingko testa is separated and removed; alcohol or ligarine is used for extracting a liposoluble extract; the liposoluble extract is dissolved in the alcohol more than 80% for preparing biologic agricultural chemical which integrates broad-spectrum prevention and treatment of pests, pathogens and a plant growth regulating agent.
Description
The present invention relates to botanical pesticide and preparation method, particularly utilize the biopesticide and the preparation method of gingko episperm fat-soluble extract preparation.
A lot of plants contain desinsection, Fungicidal active substance, and are utilized and are developed as biopesticide.For example the Chinese Academy of Sciences Kunming Phytochemistry Luo Xiaodong of open laboratory, Wu Shaohua etc. are published in " research and development of natural products ".Calendar year 2001 first-phase " insecticidal activity of neem extract and wherein four fall a triterpene research " literary composition, its achievement in research 4 has very strong desinsection food refusal for to contain nimbin be 0.5% nimbin extract when 150-800 times of the dilution to pest such as diamond-back moth and imported cabbagewories and suppresses the insect growth, delays the insect ovum, suppresses the insect hormone secretion, reduces physiologically actives such as insect fecundity.It extracts with separating method: through the 1.36Kg of air-dry pulverizing neem kernel, with petroleum ether degreasing 3 times, degreasing kind benevolence is extracted 4 times with methanol eddy, methanolic extract, extract is used benzinum, ethyl acetate extraction three times successively.Acetate second extract is the neem extract that contains 0.5% nimbin.And for example Gansu Province's plant test station for plant protection Diao Shao east, Wang Jing etc. are published in " agricultural chemicals " 1999 the 6th phases " plant insecticide 2.5% datura flower alkaloid aqua Application and Development technical research " literary composition, research of botanical pesticide 2.5% datura flower alkaloid aqua and the newest fruits of using have been reported, carrying out indoor, field control effectiveness test result from 1995-1997 shows, 2.5% datura flower alkaloid aqua, 112.5-187.5g (effective ingredient) is to broccoli aphid, cabbage caterpillar control efficiency 79.54%-90.60%.
The botanical pesticide of above-mentioned preparation extracts from seal chinaberry and datura flower plant corpus respectively contains insecticide active substance, the biopesticide of nimbin and the preparation of datura flower alkaloid extraction liquid.
The task of this invention is: the gingko episperm that development and use are dropped, separation and Extraction fat-soluble composition wherein, be prepared into biopesticide, to pest such as all kinds of aphids, cabbage caterpillar, thrips, tussock caterpillar, leek root maggots, cucumber downy mildew, ginkgo leaf rot are had good preventive and therapeutic effect, and the growth to crop simultaneously has certain regulating action.The method that solves task of the present invention is: the gingko episperm that is soaked in water, separate and remove water-soluble components, again with benzinum or ethanol extraction 2 times, fat-soluble extract.Fat-soluble extract is dissolved in the 80-95% ethanol, is mixed with the biopesticide that contains 15% left and right sides gingko episperm fat-soluble extract, ethanol is again emulsifier both as solvent.
Ginkgo is a gymnosperm, and seed is divided into kind of nuclear (gingko) and exosper two parts, 1 part of kind nuclear, 3 parts of exospers, exosper is dropped the flavor that gives out a foul smell, contaminated environment, and the present invention is to be raw material with the gingko episperm, the preparation biopesticide so both can be turned waste into wealth, and can remove environmental pollution again.
The biopesticide of gingko episperm fat-soluble extract preparation is extremely low to the person poultry toxicity.Do not cause environmental pollution, insect does not develop immunity to drugs.And be the agricultural chemicals that integrates pest control, germ, plant growth regulator.
Embodiment of the present invention is: 1, extract the gingko episperm liposoluble substance:
(1) with gingko episperm impurity elimination, cleaning, pulverizing.
(2) gingko episperm after will pulverizing adds 5 times water and is that 50-70 degree centigrade was soaked 10 hours, emit water after, same again the immersion once emitted immersion water.
(3) add 5 times of 95% ethanol or benzinum in 70 degrees centigrade of extractions 2 times.
(4) extract is filtered, concentrates and separation and Extraction liposoluble fluidity extract.
2, preparation biopesticide method: fat-soluble extract is dissolved in the 80-95% ethanol, is mixed with and contains 15% fat-soluble extract, be biopesticide after the filtration.
Claims (4)
1, a kind of biopesticide, this biopesticide prepares by following method:
(1) separation and Extraction of gingko episperm fat-soluble extract:
A, with the gingko episperm impurity elimination, clean, dry, pulverize,
B, in the gingko episperm of pulverizing, add 5 times water, soaked 10 hours at every turn, soak twice, emit immersion water in 50-70 degree centigrade,
C, add 5 times of 95% ethanol or benzinum in 70 degrees centigrade of extractions 2 times,
D, extract is filtered, concentrates, and the separation and Extraction fat-soluble extract,
(2) preparation biopesticide: fat-soluble extract is dissolved in the 80-95% ethanol, is mixed with and contains 15% fat-soluble extract, be biopesticide after the filtration.
2, the application of the biopesticide of claim 1 aspect control pest, disease or coordinate plant growth.
3, application as claimed in claim 2, wherein said pest are aphids, cabbage caterpillar, thrips or leek root maggot.
4, application as claimed in claim 2, wherein said disease are cucumber downy mildew or ginkgo leaf rot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01135667 CN1206923C (en) | 2001-10-13 | 2001-10-13 | Biologic agricultural chemical prepared from liposoluble extract of gingko testa and its preparing process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01135667 CN1206923C (en) | 2001-10-13 | 2001-10-13 | Biologic agricultural chemical prepared from liposoluble extract of gingko testa and its preparing process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1382379A CN1382379A (en) | 2002-12-04 |
| CN1206923C true CN1206923C (en) | 2005-06-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01135667 Expired - Fee Related CN1206923C (en) | 2001-10-13 | 2001-10-13 | Biologic agricultural chemical prepared from liposoluble extract of gingko testa and its preparing process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1206923C (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1317954C (en) * | 2003-12-17 | 2007-05-30 | 西安恒通生物科技有限公司 | Vegetable matter aquatic animal ectoparasite prevention and cure agent and preparation method thereof |
| CN102428968A (en) * | 2011-09-30 | 2012-05-02 | 张文冬 | Pure natural promoter capable of killing pests and sterilizing |
| CN103155918A (en) * | 2011-12-15 | 2013-06-19 | 张加明 | Industrialization production technology for extracting plant pesticide from Ginkgo testa |
| CN102742611A (en) * | 2012-06-21 | 2012-10-24 | 毛松 | Chinese herbal medicine prescription for preventing and curing Chinese chive maggot |
| CN106305795A (en) * | 2015-07-07 | 2017-01-11 | 石启田 | Ginkgol soluble concentrate and preparation method thereof |
| CN106234418A (en) * | 2016-08-18 | 2016-12-21 | 江苏绿洲园艺绿化有限公司 | A kind of method utilizing gingko episperm to prepare flowering cherry insecticide |
| CN106359456A (en) * | 2016-08-27 | 2017-02-01 | 江西天人生态股份有限公司 | Botanical pesticide containing ginkgol biloba extract and preparation method thereof |
| CN106561723A (en) * | 2016-10-27 | 2017-04-19 | 徐志扬 | Method for preventing and treating diseases and pests through ginkgo biloba sarcotesta |
| CN108450483A (en) * | 2018-04-25 | 2018-08-28 | 芜湖扬展新材料科技服务有限公司 | A kind of radish compound biotic insecticide |
| CN108684731A (en) * | 2018-04-25 | 2018-10-23 | 芜湖扬展新材料科技服务有限公司 | A kind of green vegetables compound biotic insecticide |
| CN110973164A (en) * | 2018-10-03 | 2020-04-10 | 石启田 | Ginkgolic acid soluble solution and preparation method thereof |
| CN111084197A (en) * | 2019-12-30 | 2020-05-01 | 江苏腾龙生物药业有限公司 | Preparation process of ginkgol soluble agent |
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2001
- 2001-10-13 CN CN 01135667 patent/CN1206923C/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN1382379A (en) | 2002-12-04 |
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Granted publication date: 20050622 Termination date: 20121013 |