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Method for preparing mosquito repellent

A technology of mosquito repellent liquid and mosquito repellent, which is applied in botany equipment and methods, pest repellents, pharmaceutical formulas, etc. It can solve the problems of unsatisfactory mosquito repellent effect, anti-inflammatory and anti-itching, etc., and achieve long-term mosquito repellent, Small stimulation, good effect

Inactive Publication Date: 2019-05-17
成都善禾天成生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Most of the common mosquito coils, mosquito repellent tablets, and mosquito repellent liquids are irritating to a certain extent, and the mosquito repellent effect is often not ideal, nor can it achieve the effect of anti-inflammatory and antipruritic

Method used

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  • Method for preparing mosquito repellent

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Embodiment Construction

[0022] The present invention will be further described below in conjunction with accompanying drawing:

[0023] Such as figure 1 As shown, the preparation method of mosquito repellent liquid of the present invention comprises the following steps:

[0024] S1: Take wormwood, honeysuckle, calamus, mosquito repellent, mint and add water to distill and extract according to the ratio of 3:5:4:3, and collect aromatic water;

[0025] S2: redistilling the collected aromatic water;

[0026] S3: add polysorbate, mix;

[0027] S4: filter, collect medicinal liquid and medicinal residue;

[0028] S5: decoct the dregs with water for at least two times, and filter to obtain the decoction;

[0029] S6: the decoction is combined with the medicinal liquid, and the filtrate is concentrated to a clear paste;

[0030] S7: add ethanol, take the supernatant after standing, and reclaim the ethanol until there is no alcohol smell;

[0031] S8: add benzoic acid to boil, add aromatic water, mix; ...

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Abstract

The invention discloses a method for preparing a mosquito repellent. The method comprises the following steps: weighing artemisia argyi, lonicera japonica, rhizoma acori gramine, mosquito-repelling herbs and herba menthae, adding water according to a ratio of 3:5:4:3, carrying out distilling off, and collecting aqua aromatica; subjecting the collected aqua aromatica to redistillation; adding polysorbate, and carrying out uniform mixing; carrying out filtering, and collecting liquid medicine and dregs; decocting the dregs at least twice by adding water to the dregs, and carrying out filtering,so as to obtain a decoction; merging the decoction and the liquid medicine, and concentrating the filter liquor until clear paste is obtained; adding ethanol, carrying out standing, then, taking supernatant, and recovering the ethanol until no alcohol flavor is absent; adding benzoic acid, carrying out boiling, adding the aqua aromatica, and carrying out uniform mixing; adding pure water for dilution, and carrying out sterilizing, thereby obtaining the mosquito repellent. The mosquito repellent prepared by the method is free of an alcohol flavor, low in irritation, low in preparation cost, long in mosquito-repelling time and good in effect, and meanwhile, an affected part bitten by mosquitoes can be subjected to inflammation diminishing and itching relieving rapidly.

Description

technical field [0001] The invention belongs to the technical field of medicinal mosquito repellent, in particular to a preparation method of mosquito repellent liquid. Background technique [0002] Mosquitoes stab the skin through their mouthparts, and their saliva or venom invades the skin. Because mosquito saliva or venomous gland leaching fluid contains a variety of antigenic components, these antigens produce allergic reactions with antibodies after entering human skin, causing inflammation. In severe cases Severe reactions such as bullae and redness occur locally, and mosquito repellent technology is widely used in daily life. [0003] Most of the current common mosquito coils, mosquito repellent sheets, and mosquito repellent liquids are irritating to a certain extent, and the mosquito repellent effect is often not ideal, nor can it achieve the effect of anti-inflammatory and antipruritic. Contents of the invention [0004] The purpose of the present invention is t...

Claims

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Application Information

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IPC IPC(8): A01N65/40A01N65/22A01N65/12A01N65/08A01P17/00A61K36/888A61P17/04A61P29/00
CPCY02A50/30
Inventor 罗媛曾帝刘远东
Owner 成都善禾天成生物科技有限公司
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