Method for preparing mosquito-repellent liquid based on seven Chinese herbal medicines

The technology of Chinese herbal medicine and mosquito repellent is applied in the field of preparation of mosquito repellent liquid based on seven-flavor Chinese herbal medicine, which can solve the problems of insignificant practical effect of pyrethroid mosquito repellent, and achieve the effect of simple preparation method and good effect.

Inactive Publication Date: 2017-04-26
东莞市维科应用统计研究所
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  • Summary
  • 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 Qiwei Chinese herbal medicine, 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 seven Chinese herbal medicines
  • Method for preparing mosquito-repellent liquid based on seven Chinese herbal medicines
  • Method for preparing mosquito-repellent liquid based on seven Chinese herbal medicines

Examples

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Effect test

Embodiment 1

[0025] A mosquito repellent liquid based on Qiwei Chinese herbal medicine is composed of the following components according to mass percentage: 80% of Qiwei Chinese herbal medicine concentrated solution, and 20% of Pyrethrum white flower dry powder concentrated solution.

[0026] The above-mentioned method for preparing mosquito repellent liquid based on seven Chinese herbal medicines comprises the following steps:

[0027] (1) According to the above mass percentages, weigh 80 grams of Chinese herbal medicines including Huoxiang, mint, perilla, calamus, lemongrass, star anise, and mugwort leaves according to the ratio of 1:1:1:1:1:1:1, and grind them into powder Then add it to the casserole, add 1600 grams of pure water to decoct, the decoction time is 120 minutes, concentrate to 1 / 20 and filter, and the filtrate is set aside;

[0028] (2) According to the above mass percentage, weigh 20 grams of dried pyrethrum white flowers, dry the white pyrethrum flowers, grind them into p...

Embodiment 2

[0032] A mosquito repellent liquid based on Qiwei Chinese herbal medicine is composed of the following components according to mass percentage: 85% of Qiwei Chinese herbal medicine, and 15% of white flower dry powder of pyrethrum.

[0033] The above-mentioned method for preparing mosquito repellent liquid based on seven Chinese herbal medicines comprises the following steps:

[0034] (1) According to the above mass percentage, weigh 85 grams of Chinese herbal medicines including Huoxiang, Mint, Perilla, Calamus, Lemongrass, Star Anise, and Artemisia argyi in a ratio of 1:1:1:1:1:1:1, and grind them into powder Then add it to the casserole, add 1700 grams of pure water to decoct, the decoction time is 130 minutes, concentrate to 1 / 20 and filter, and the filtrate is set aside;

[0035] (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 the...

experiment example 1

[0039] The mosquito repellent liquid based on Qiwei 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 Qiwei Chinese herbal medicine mosquito repellent liquid, and based on Qiwei Chinese herbal medicine mosquito repellent The effect difference between liquid and single permethrin mosquito repellent (0.6% content of bifluethrin).

[0040] 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 rate (se...

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Abstract

The invention discloses a method for preparing mosquito-repellent liquid based on seven Chinese herbal medicines. The method includes the steps of (1) grinding Herba Agastaches, Herba Menthae, Perilla frutescens, calamus, Herba Cymbopogonis Citrati, star anise and Folium Artemisiae Argyi into powder according to a ratio of 1:1:1:1:1:1:1, adding the powder and purified water into an earthenware cooking pot according to a ratio of 1:20 for decocting, and concentrating a decoction to reach 1/20 prior to filtration so as to obtain filtrate for standby use; (2), drying white flowers of pyrethrum in the sun, grinding the dried white flowers into powder, evenly mixing the powder with purified water in a ratio of 1:20, decocting an obtained mixture in the earthenware cooking pot, and concentrating a decoction to reach 1/20 prior to filtration so as to obtain filtrate for standby use; (3), mixing the concentrated filtrate of the seven Chinese herbal medicines with the concentrated filtrate of the pyrethrum in a ratio of 4:1, and transferring an obtained mixture into a sterilization room for sterilization; (4), bottling the filtrate, 20 g per bottle after the filtrate passes the inspection. The mosquito-repellent liquid prepared from the seven Chinese herbal medicines with mosquito killing effects by the method is better in effect than common single pyrethrin products and is harmless to human health. The method is 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 mosquito repellent liquid based on seven 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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Patent Type & Authority Applications(China)
IPC IPC(8): A01N65/44A01P17/00A01P7/04
CPCA01N65/00A01N65/44A01N2300/00Y02A50/30
Inventor 不公告发明人
Owner 东莞市维科应用统计研究所
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