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Method for preparing mosquito repellent liquid based on six Chinese herbal medicaments

A technology of Chinese herbal medicine and mosquito repellent, which is applied in the field of preparation of mosquito repellent based on six-flavored Chinese herbal medicine, can solve the problem that the practical effect of pyrethroid mosquito repellent is not obvious, and achieve the effect of simple preparation method and good effect

Inactive Publication Date: 2017-05-31
东莞市维科应用统计研究所
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to overcome the deficiencies of the prior art, and to provide a method for preparing mosquito repellent liquid based on six Chinese herbal medicines, so as to overcome the defect that the practical effect of the existing pyrethroid mosquito repellent is not obvious

Method used

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  • Method for preparing mosquito repellent liquid based on six Chinese herbal medicaments
  • Method for preparing mosquito repellent liquid based on six Chinese herbal medicaments
  • Method for preparing mosquito repellent liquid based on six Chinese herbal medicaments

Examples

Experimental program
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Effect test

Embodiment 1

[0024] A mosquito repellent liquid based on Liuwei Chinese herbal medicine is composed of the following components according to mass percentage: 80% of Liuwei Chinese herbal medicine concentrated solution, and 20% of Pyrethrum white flower dry powder concentrated solution.

[0025] The above-mentioned method for preparing mosquito repellent liquid based on six flavors of Chinese herbal medicines comprises the following steps:

[0026] (1) According to the above mass percentage, weigh 80 grams of the six Chinese herbal medicines of Peilan, borneol, Huoxiang, camphor, fennel, and mugwort leaves in a ratio of 1:1:1:1:2, grind them into powder, add them to the casserole, and add 1600 grams decocted in pure water for 120 minutes, concentrated to 1 / 20 and filtered, and the filtrate was set aside;

[0027] (2) According to the above mass percentage, weigh 20 grams of dried pyrethrum white flowers, dry the white pyrethrum flowers, grind them into powder, add 400 grams of pure water, m...

Embodiment 2

[0031] A mosquito repellent liquid based on Liuwei Chinese herbal medicine is composed of the following components according to mass percentage: 85% of Liuwei Chinese herbal medicine, and 15% of white flower dry powder of pyrethrum.

[0032] The above-mentioned method for preparing mosquito repellent liquid based on six flavors of Chinese herbal medicines comprises the following steps:

[0033] (1) According to the above mass percentage, weigh 85 grams of the six Chinese herbal medicines of Peilan, borneol, Huoxiang, camphor, fennel, and mugwort leaves in a ratio of 1:1:1:1:2, grind them into powder, add them to the casserole, and add 1700 grams decocted in pure water for 130 minutes, concentrated to 1 / 20 and filtered, and the filtrate was set aside;

[0034] (2) According to the above mass percentage, weigh 15 grams of dried pyrethrum white flowers, dry the white pyrethrum flowers, grind them into powder, add 300 grams of pure water, mix well, add them to a casserole for deco...

experiment example 1

[0038] The mosquito repellent liquid based on Liuwei Chinese herbal medicine prepared in Example 1-2 was diluted 2 times, 3 times, and 4 times with water respectively, and tested the mosquito repellent effect of different concentrations based on Liuwei Chinese herbal medicine mosquito repellent liquid, and the mosquito repellent based on Liuwei Chinese herbal medicine The effect difference between liquid and single permethrin mosquito repellent (0.6% content of bifluethrin).

[0039] Three people were selected to apply the mosquito repellent evenly on the 4cm×4cm bare skin on the back of the left hand at different times on the day of the test. The back of the right hand was used as a control, and the rest of the back of the hand was tightly covered. During the test, put the right hand and left hand into the glass mosquito cage for 5 minutes, observe and record the number of mosquitoes that come to stay and suck blood, and calculate the effective protection time and protection r...

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Abstract

The invention discloses a method for preparing mosquito repellent liquid based on six Chinese herbal medicaments. The method comprises the following steps: (1) grinding the six Chinese herbal medicaments including herba eupatorii, borneol, wrinkled gianthyssop herb, camphor, fructus foeniculi and folium artemisiae argyi, into powder according to the proportion of 1:1:1:1:2, adding the powder into an earthenware cooking pot, adding purified water for decoction according to the proportion of 1:20, performing concentration to 1 / 20, and performing filtering to obtain filtrate for later use; (2) drying white flowers of chrysanthemum cinerariifolium in the sun, grinding the white flowers into powder, adding the purified water for uniform stirring according to the proportion of 1:20, adding an obtained mixture into the earthenware cooking pot for decoction, performing concentration to 1 / 20, and performing filtering to obtain filtrate for later use; (3) mixing the concentrated filtrate of the six Chinese herbal medicaments and the chrysanthemum cinerariifolium according to the proportion of 4:1, and transferring a obtained mixed filtrate into a sterilization room for sterilization; (4) after the filtrate is inspected to be qualified, bottling the filtrate with 20 grams in each bottle. According to the method, the mosquito repellent liquid prepared from the six Chinese herbal medicaments with an insecticidal effect has a better effect than a common single chrysanthemum cinerariifolium product, and is harmless to human health; and moreover, the preparation method is relatively simple and suitable for wide popularization and application.

Description

technical field [0001] The invention relates to the technical field of medicinal mosquito repellent, in particular to a method for preparing a mosquito repellent liquid based on six Chinese herbal medicines. Background technique [0002] Mosquitoes stab the skin through their mouthparts, and their saliva or venom invades the skin. Since the saliva or venomous gland leachate of mosquitoes contains a variety of antigenic components, these antigens can produce allergic reactions with antibodies after entering human skin, causing inflammation. In severe cases, severe reactions such as bullae and hemorrhagic necrosis will occur locally, which is a common disease in summer dermatology. At the same time, female mosquitoes are intermediate hosts for other pathogens such as dengue fever, malaria, yellow fever, filariasis, and Japanese encephalitis. The technology of killing or repelling mosquitoes is widely used in daily life. [0003] At present, common mosquito coils, mosquito re...

Claims

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Application Information

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IPC IPC(8): A01N65/22A01N31/06A01N25/18A01P17/00
CPCA01N25/18A01N31/06A01N65/00A01N65/22A01N2300/00Y02A50/30
Inventor 不公告发明人
Owner 东莞市维科应用统计研究所
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