Botanical mosquito repellent and preparation method thereof
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A mosquito repellent liquid and plant technology, applied in the field of natural plant applications, can solve the problem that skin inflammation cannot be effectively suppressed and treated, and achieve the effect of long-lasting effect, low production cost, and high human safety
Active Publication Date: 2014-01-22
镇江南方电子有限公司
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[0004] At present, there are many kinds of mosquito repellent liquid products on the market, but there are few mosquito repellent waters that can relieve it
Method used
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[0031] Example 1
[0032] Grind 2.5 kg of Ailanthus altissima bark and put it into an extraction tank, add 10L of water to it, heat and reflux for 2h, filter and concentrate to 10% of the total liquid to obtain the Ailanthus altissima bark extract, cool to 4°C and store for later use;
[0033] Crush 2.0kg of aloe vera, add ethanol with a concentration of 60wt%, and the material-to-liquid ratio is 1:60 (g / mL). Use an ultrasonic device for ultrasonic extraction. The ultrasonic frequency is 15kHz, the temperature is 35°C, and the ultrasonic time is 30min. Filter , Concentrated to 20% of the total medicinal solution to obtain aloe extract, cooled to 4°C and stored for later use;
[0034] Crush the mosquito repellent, lavender, and mint leaves each weighing 2.0kg, and use the steam distillation extraction tank device to extract the volatile oil components, which is the mixed volatile oil, cool to 4°C and store it for later use;
[0035] Take 1.5 g of Tween 80, 5 mL of ethanol, 10 mL of Ail...
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[0036] Example 2
[0037] The extraction methods of Ailanthus altissima bark extract, aloe extract, and mixed volatile oil are the same as in Example 1. Take 1.5 g of Tween 80, 5 mL of ethanol, 15 mL of Ailanthus altissima bark extract and 5 mL of aloe extract, add 10 mL of mixed volatile oil, mix and stir for 20 minutes to obtain mosquito repellent.
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[0038] Example 3
[0039] The extraction methods of Ailanthus altissima bark extract, aloe extract, and mixed volatile oil are the same as in Example 1. Take 2.5 g of Tween 80, 10 mL of ethanol, 20 mL of Ailanthus altissima bark extract and 5 mL of aloe extract, add 15 mL of mixed volatile oil, and mix and stir for 20 minutes to obtain a mosquito repellent solution.
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Abstract
The invention relates to a botanical mosquito repellent and a preparation method thereof. The mosquito repellent is prepared from ailanthus peel extracting solution, aloe extracting solution, mixed volatile oil, surfactant and ethyl alcohol, wherein the ailanthus peel extracting solution is prepared through heating and back flowing ailanthus powder in water 4-5 times of mass of the ailanthus powder and filtering and concentrating till the ailanthus peel extracting solution is 10% of the total liquid medicine amount; the aloe extracting solution is prepared through steps of carrying out ultrasonic extraction on aloe powder by ethyl alcohol with concentration of 60wt% according to the material liquid massic volume ratio of 1:(50-70) and concentrating the filtrate till the aloe extracting solution is 20% of the total liquid medicine amount; and the volatile oil is prepared by distilling the mozzie buster, lavender and mint leaf through water vapor and then extracting. The mosquito repellent adopts natural vegetable drug, contains no chemical mosquito repelling components, and can be directly sprayed or applied on naked body parts; the mosquito repelling effect is over 91%; the effective time of the mosquito repellent is as long as 5 hours; and the mosquito repellent is fragrant, so that a user feels fresh and cool and comfortable. The preparation method has low production cost and simple technological operation, and the mosquito repellent prepared by the method has long effective time, does not contaminate the environment, and has high degree of safety to human bodies.
Description
technical field [0001] The invention relates to a plant mosquito repellent liquid and a preparation method thereof, belonging to the technical field of natural plant application. Background technique [0002] Mosquitoes belong to the insect class Diptera, and there are about 3,000 species in the world. Blood-sucking female mosquitoes are intermediate hosts for dengue, malaria, yellow fever, filariasis, Japanese encephalitis, and other pathogens. The main harm of mosquitoes is the transmission of diseases. According to research, there are more than 80 kinds of diseases transmitted by mosquitoes. About 700 million people are infected with various diseases by mosquitoes every year, and 1 out of 17 people dies from various diseases transmitted by mosquitoes. Especially in tropical regions, various infectious diseases are often transmitted to humans by mosquitoes. [0003] Mainly adopt insect repellant in daily life to stop mosquito from approaching human body. Existing mosqu...
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