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A plant-based mosquito repellent for repelling Aedes albopictus, its preparation and application

A technology of Aedes albopictus and mosquito repellent, applied in the field of botanical pesticides, can solve problems such as toxic side effects, damage, environmental pollution, etc., and achieve a significant repellent effect

Inactive Publication Date: 2018-07-24
CENTRAL SOUTH UNIVERSITY OF FORESTRY AND TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the mosquito repellent ingredients in commonly used mosquito repellants are generally DEET. Although DEET is effective in repelling mosquitoes, long-term use will cause pollution to the environment, and its toxic and side effects are constantly reported. Such as neurological symptoms, skin lesions, encephalopathy in children, urticarial syndrome, low blood pressure and heartbeat, etc.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Example 1, Preparation of Mosquito Repellent Cream and Experiment of Repelling Aedes Albopictus Outdoors

[0023] Mosquito repellent cream is prepared by the following method: take the plant-based mosquito repellent composition of the present invention as 75% by mass, 2% emulsifier, 15% moisturizer, 6% moisturizer, 0.5% anti-irritant, and 0.25% pH regulator. %, preservative 0.05%, flavoring agent 0.2%. Mix the above raw materials evenly in proportion, add distilled water to 100%, pump into the emulsification pot for emulsification, and then homogenize for 5 to 8 minutes to prepare mosquito repellent cream, then take samples to test the stability and appearance of the preparation, and it is qualified After packaging, the finished product is obtained.

[0024] The plant-based mosquito repellent composition of the present invention described above is composed of 50% by mass percentage of the essential oil of Aurantia chinensis, 25% of the essential oil of Prickly ash, and...

Embodiment 2

[0026] Embodiment 2, preparation of mosquito repellent spray and outdoor repellent experiment

[0027] The mosquito repellent spray used in the experiment was prepared by the following method: take the plant mosquito repellent composition mass percentage of the present invention as 60%, emulsifier 4%, moisturizer 2%, moisturizing agent 4%, anti-irritant 0.5%, 0.35% pH adjuster, 0.05% preservative, 0.1% flavoring agent, and the rest is distilled water. When manufacturing, the above raw materials are mixed evenly in proportion, added to 100% with distilled water, pumped into the emulsification pot for emulsification, and then homogenized for 3 to 5 minutes to prepare the mosquito repellent spray. Then take a sample to test the stability and appearance of the preparation, and pack it after passing the test to obtain the finished product.

[0028] The plant-based mosquito repellent composition of the present invention described above is composed of 50% by mass percentage of the e...

Embodiment 3

[0031] The mosquito repellent cream was prepared according to the method of Example 1, and the repellent effect was tested. The difference is the content of each component: the mass percentage of the plant-based mosquito repellent composition is 60%, emulsifier 3%, moisturizer 10%, moisturizer 4%, anti-irritant 0.3%, pH regulator 0.4%, antiseptic Agent 0.05%, flavoring agent 0.3%. The plant-based mosquito repellent composition: the mass percentage of the essential oil of Aurantia chinensis 40%, the essential oil of Chinese toon leaf prickly ash 30%, the essential oil of annual perch 25%, and 5% ethanol.

[0032] Test results: The average time of 100% complete protection for volunteers is 4.13 ± 0.22 h.

[0033]According to the method of this example, three kinds of single-dose essential oil mosquito repellent creams were prepared and tested for mosquito repellent by replacing the botanical mosquito repellent composition in the formula of this example with the essential oils o...

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PUM

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Abstract

The invention relates to a botanical mosquito repellent for repelling aedes albopictus and preparation and application of the botanical mosquito repellent for repelling aedes albopictus. The botanical mosquito repellent comprises a main active substance which is a composition containing, by mass, 40-65 parts of elsholtzia argyi essential oil, 20-35 parts of zanthoxylum ailanthoides essential oil and 15-30 parts of erigeron annuus essential oil. The preparation method includes that the raw materials are well mixed, emulsified and homogenized to obtain the botanical mosquito repellent. The botanical mosquito repellent has a remarkable outdoor mosquito repelling effect on aedes albopictus and is safe and nontoxic to human and livestock and free of environment pollution.

Description

technical field [0001] The invention relates to a plant-based mosquito repellent for repelling Aedes albopictus and an application thereof, belonging to the technical field of plant-derived pesticides. Background technique [0002] Aedes albopictus ( Aedes albopictus Skuse), also known as the Asian tiger mosquito, is a common species of mosquito in Southeast Asia and China. It is generally active outdoors. Its female mosquito sucks the blood of humans and animals. An important viral vector, it can transmit a variety of diseases, such as Japanese encephalitis, dengue fever and other mosquito-borne infectious diseases. [0003] When people are active in the wild, they often use various mosquito repellents to prevent the harassment of Aedes albopictus and control the spread of mosquito-borne diseases. At present, the mosquito repellent ingredients in commonly used mosquito repellants are generally DEET. Although DEET is effective in repelling mosquitoes, long-term use will c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N65/36A01P17/00
CPCA01N65/00A01N65/36A01N2300/00Y02A50/30
Inventor 彭映辉熊国红何建国刘敏徐颖
Owner CENTRAL SOUTH UNIVERSITY OF FORESTRY AND TECHNOLOGY
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