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Compound agent of ethyl isothiocyanate and allyl isothiocyanate and application thereof

A technology of allyl isothiocyanate and ethyl isothiocyanate is applied in the field of pesticide compositions for preventing and controlling harmful organisms in warehouses and soils, and can solve the problems of unreported and applied patents, warehouses and soil fumigants There are no public reports and other problems, and the effects of high antibacterial and insecticidal activity, obvious effects and obvious synergies are achieved.

Active Publication Date: 2009-10-21
北京中德恒星科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] On the basis of the extraction, separation, purification and identification of isothiocyanate compounds in cruciferous plants, the inventors have carried out a single compound biological activity screening and analysis of each specific isothiocyanate compound one by one. Compound screening found that the combination of two or more ITCs can produce a synergistic effect, and there is no public report on the compound preparation between two or more isothiocyanates as a warehouse and soil fumigant. The combination of two or more isothiocyanates used to treat harmful fungi and pests has not been reported or patented

Method used

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  • Compound agent of ethyl isothiocyanate and allyl isothiocyanate and application thereof
  • Compound agent of ethyl isothiocyanate and allyl isothiocyanate and application thereof
  • Compound agent of ethyl isothiocyanate and allyl isothiocyanate and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0061] The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention. Example 1 granary is produced with 20% allyl isothiocyanate and 4% ethyl isothiocyanate composition oil strong horseradish A

[0062] Accurately and quantitatively weigh 212 kilograms of the original drug of 94% AITC, and then weigh 100 kilograms of the extraction mother liquor whose ethyl isothiocyanate EITC content is 4%. Mix the two active ingredients in 2M 3 Mix thoroughly in the mixing tank. Accurately weigh 10 kilograms of ascorbic acid, put it into the blending tank (1) and fully mix it again. Accurately drop 339 kilograms of ethyl acetate and 339 kilograms of vegetable oils into the blending tank again, fully mix in the blending tank. Stirring was continued for 1 hour. The oil preparation product of 1 ton of AITC and EITC combination was formulated.

[0063] Sampling analysis shows that the content of AITC is 20.01%, and the...

Embodiment 25

[0064] Example 25% Allyl Isothiocyanate and 1% Ethyl Isothiocyanate Composition Soluble Liquid Potent Horseradish B Production

[0065] Accurately and quantitatively weigh 53 kg of 94% AITC original drug and 11.1 kg of 90% ethyl isothiocyanate content. Fully mix the two active medicinal liquids in the preparation tank (1). Accurately take by weighing 15 kilograms of ascorbic acid again, drop into the deployment tank (1) and fully mix again. Add 20 kilograms of Nongru No. 500 and 100 kilograms of emulsifier 602 in the blending tank (2), add 800.5 kilograms of ethyl acetate after mixing, and fully mix. 920.9 kilograms of materials in the blending tank (2) are all moved into the blending (1) through the pipeline, and after the mouth of the tank is sealed, the stirrer is started to stir for 1 hour. Prepare 1000 kilograms of AITC emulsifiable concentrate products. The content of AITC in the sample analysis product is 5.01%, and the content of ethyl isothiocyanate is 0.995%, whic...

Embodiment 312

[0066] The production of embodiment 312% allyl isothiocyanate and 1.7% ethyl isothiocyanate composition aqueous emulsion potent horseradish C

[0067] Accurately weigh about 182 kg of AITC with a content of 94%, 305 kg of plant extract mother liquor (about 9.5% of AITC), 38.2 kg of ethyl isothiocyanate with a content of 90%, and 20 kg of ascorbic acid in the blending tank Mix the four together thoroughly. Then quantitatively add 200 kilograms of agricultural emulsifier TX-10, 366 kilograms of ethyl acetate, 350 kilograms of vegetable oils, add 539 kilograms of water, stir while adding, after all materials are added, continue stirring with a mixer for 1 hour.

[0068] The amount of AITC contained in the product for sampling and testing is 11.98%, and the content of ethyl isothiocyanate is 1.70%. Finally, 2 tons of products with a total content of effective components of 13.7% are obtained, and the product is sealed with a 500mL glass bottle with the same embodiment 2.

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Abstract

The invention provides a compound agent, which is prepared by performing binary compounding on plant-source compounds of ethyl isothiocyanate and allyl isothiocyanate according to the weight ratio of 1:7-7:1. The compound agent can be prepared into a dissoluble liquid, an aqueous emulsion, an oil solution or a tablet, and is applied to preparing a pesticide fumigant for controlling insect pests and harmful mould fungi in storehouses and soil. The compound agent has the advantages of obvious synergy, high bacteriostatic and insecticidal activity, less relative usage, and obvious fumigation effect on pests of food, tobacco and soil nematodes and the like, and can be used for substituting bromomethane which is forbidden fumigant.

Description

technical field [0001] The invention relates to a pesticide composition for preventing and controlling harmful organisms in warehouses and soil, in particular to a compound ethyl isothiocyanate and allyl Compounds of isothiocyanates are used as pesticide fumigants. Background technique [0002] Ethyl isothiocyanate (EITC) and allyl isothiocyanate (AITC) are widely found in Brassicaceae plants, especially Brassica and Horseradish plants with considerable output. In fact, the whole, dried horseradish or Brassica plants have no spicy taste, only after they are broken and hydrolyzed can the spicy taste be produced. This is due to the presence of glucosinolates (glucosinolates) in plants, which undergo enzymatic hydrolysis under the action of hydrolytic enzymes, releasing extremely volatile isothiocyanate compounds to produce a spicy taste. The types of isothiocyanate compounds contained in different plants are different, most of which contain allyl isothiocyanate, ethyl isothi...

Claims

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Application Information

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IPC IPC(8): A01N47/46A01P7/00A01P3/00A01P5/00A01N25/18A23B9/18A24B15/32
Inventor 林开春吴华王朝军
Owner 北京中德恒星科技有限公司
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