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Preparation method of outdoor herbal mosquito repellent liquid and outdoor herbal mosquito repellent liquid

A production method and technology of mosquito repellent liquid, applied in skin care preparations, botanical equipment and methods, pest repellents, etc., can solve the problems of chemical synthesis side effects, affecting the psychology of use, and short mosquito repellent time

Inactive Publication Date: 2017-05-31
东莞小猕猴户外用品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The main active ingredients of the existing mosquito repellent articles are chemical synthesis, and the chemical synthesis may have uncertain side effects, which affect people's psychology of use; pure natural ones have the problem of short repellent time.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] The preparation method of the outdoor herbal mosquito repellent liquid is made by the following steps:

[0020] Get 5 parts by weight of clove oil, 5 parts by weight of citronella oil, 8 parts by weight of lemon eucalyptus oil and add in 40 parts by weight of ethanol aqueous solution to obtain the first solution, and the ethanol aqueous solution is 75% ethanol aqueous solution (v / v); Citronella oil, lemon eucalyptus oil, and clove oil can be obtained by existing extraction techniques. Optionally, the lemon eucalyptus oil is the volatile oil obtained by steam distillation of lemon eucalyptus leaves, and the clove oil is obtained by steam distillation. The volatile oil obtained by distilling the clove leaves by distillation, the citronella oil is the volatile oil obtained by distilling the whole citronella grass by steam distillation, and the lemon eucalyptus leaves, the whole citronella grass, and the clove leaves are crushed before distillation, and preferably passed thr...

Embodiment 2

[0023] An outdoor herbal mosquito repellent liquid, prepared by any one of the above-mentioned preparation methods of outdoor herbal mosquito repellent liquid.

Embodiment 3

[0025] Rat acute oral toxicity test.

[0026] Test sample: Example 1 Add water to 6 g of outdoor herbal mosquito repellent liquid to 12 mL and mix thoroughly, as a test sample.

[0027] Experimental animals: Wistar rats with a body weight of 160-200 g, 3 males and 3 males in total, 6 Wistar rats, which have been adapted to the laboratory for more than 2 days and have no abnormal health status, are selected.

[0028] Test method: Animals were fasted overnight, and 2ml / only was orally gavaged, observed and recorded the symptoms after gavage, observed continuously for two weeks, and calculated the median lethal dose (LD 50 ).

[0029] Experimental results: No obvious symptoms of poisoning, no deaths. The median lethal dose was not measured, or the acute oral median lethal dose in rats was greater than 5000 mg / kg for males and females.

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PUM

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Abstract

The invention provides a preparation method of outdoor herbal mosquito repellent liquid. The preparation method comprises the following steps: adding 5-10 parts by weight of clove oil, 3-5 parts by weight of citronella oil, and 3-8 parts by weight of lemon eucalyptus oil into 30-50 parts by weight of an aqueous ethanol solution to obtain a first solution; adding 10-20 parts by weight of folium artemisiae argyi into 50 parts by weight of the aqueous ethanol solution, and performing refluxing extraction for 3-4 hours at the constant temperature of 30-40 DEG C and at the pressure of 0.10-0.15MPa to obtain a second solution; concentrating the second solution till 30-40 parts by weight, and mixing the second solution with the first solution; adjusting the pH to 6.5-7.0 to obtain the outdoor herbal mosquito repellent liquid. The invention further provides the outdoor herbal mosquito repellent liquid. The outdoor herbal mosquito repellent liquid in form of an extract has a mosquito repellent effect.

Description

technical field [0001] The invention belongs to the technical field of outdoor products, and in particular relates to a method for preparing an outdoor herbal mosquito repellent liquid and the outdoor herbal mosquito repellent liquid. Background technique [0002] Mosquitoes can not only bring people annoying itching, but if the itching is not handled properly, it may turn into indelible scars, which will affect the appearance of people's skin for a long time, and the main harm of mosquitoes is to spread diseases. According to relevant studies, there are more than 80 kinds of diseases transmitted by mosquitoes. [0003] One solution is to keep mosquitoes from touching human skin through isolation. [0004] The main active ingredients of the existing mosquito repellent articles are chemical synthesis, and the chemical synthesis may have uncertain side effects, which affect people's psychology of use; pure natural ones have the problem of short repellent time. Contents of t...

Claims

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Application Information

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IPC IPC(8): A61K8/92A61K8/9789A61Q17/02A01N65/44A01P17/00
CPCA01N65/00A01N65/44A61K8/922A61K8/97A61Q17/02A01N2300/00Y02A50/30
Inventor 万小耀
Owner 东莞小猕猴户外用品有限公司
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