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Plant alkaloid compound microemulsion and preparation method of plant alkaloid compound microemulsion

A technology of plant alkaloids and alkaloids, applied in botany equipment and methods, plant growth regulators, biocides, etc., can solve the problems of poor quick-acting, slow effect, slow progress, etc., to improve drug efficacy and comprehensive Control effect, not easy to produce resistance, long-lasting effect

Inactive Publication Date: 2012-09-12
NINGXIA UNIVERSITY
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  • Claims
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Problems solved by technology

[0003] In recent years, although some good botanical pesticides have been developed and produced in my country, the progress has been slow due to limited technology and experimental means.
The effect of these pesticides on crop diseases and insect pests is slow, and the quick effect is not strong, which limits their popularization and use

Method used

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  • Plant alkaloid compound microemulsion and preparation method of plant alkaloid compound microemulsion
  • Plant alkaloid compound microemulsion and preparation method of plant alkaloid compound microemulsion
  • Plant alkaloid compound microemulsion and preparation method of plant alkaloid compound microemulsion

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Embodiment 1

[0014] 1. Extraction of active ingredient alkaloids: Weigh 600g of Niu Xin Pu Zi and 300 g of Sophora vulgaris dry powder (with a brief introduction to the test plant: Cynanchum komarovii, Asclepiadaceae) Cynanchum plants, and test The whole ground grass was collected during the flowering period, collected from Yanchi County, Ningxia, dried indoors, crushed, and passed through a 40-mesh sieve to obtain plant dry powder; Sophora alopecuroides L., Leguminosae (Leguminosae) Sophora plant, before the test The whole ground and underground plants are collected in the fruiting period, collected from Yanchi County, Ningxia, dried indoors, crushed, and passed through a 40-mesh sieve to obtain dry plant powder) Add 720ml of 95% ethanol, soak at room temperature for 24 hours, then ultrasonically extract and extract The temperature is 35-45°C, the extraction time is 35-45 minutes, the filtrate is collected after filtration, the above operation is repeated for 3 times of extraction, the filt...

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Abstract

The invention relates to plant alkaloid compound microemulsion and a preparation method of the plant alkaloid compound microemulsion. The plant alkaloid compound microemulsion is characterized by consisting of the following ingredients in percentage by volume: 8 percent to 12 percent of alkaloid, 12 percent to 18 percent of emulsifying agents, 18 percent to 22 percent of cosolvents and the balance solvents, wherein the alkaloid is total alkaloid prepared from 1.5 to 2.5 weight parts of brunnera and 0.5 to 1.5 weight parts of sophora alopecuroide through ethanol and chloroform extraction, the emulsifying agents are tween-80, the cosolvents are glycol, and the solvents are ethanol with the volume percentage being 75 to 95 percent. The plant alkaloid compound microemulsion disclosed by the invention is compounded by the brunnera and the sophora alopecuroide, the synergia effect among active ingredients is utilized, the medicine effect and the integral prevention and treatment effect of products are improved, the duration is long, low toxicity and environment protection are realized, and the resistance cannot be easily generated in the use process.

Description

Technical field [0001] The invention relates to a plant alkaloid compound microemulsion and a preparation method thereof. Background technique [0002] Chemical pesticides are still the main force in the domestic and foreign pesticide market due to their fast-acting properties and effective killing of pests. However, the "3R" and "three causes" caused by them have seriously polluted the environment and agricultural products, and are harmful to human health. This has caused great harm, which is not conducive to the sustainable development of green agriculture, and even worse to the export of agricultural products. Therefore, the use of high-efficiency and low-toxicity pollution-free plant-derived pesticides to replace chemical pesticides will inevitably become the focus of the development of new pesticides. [0003] In recent years, although my country has developed and produced some better plant-derived pesticides, the progress has been slow due to limited technology and experimen...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N65/20A01N65/08A01N25/04A01P7/04
Inventor 杨敏丽剡根姣李建涛郝凤霞
Owner NINGXIA UNIVERSITY
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