Safe non-toxic mosquito repellent lotion and preparation method thereof

A safe, non-toxic, mosquito repellent technology, applied in the field of daily chemicals, can solve the problems of low purity, low efficiency, and poor mosquito repellent durability of functional ingredients, and achieve long-lasting mosquito repellent effect, high efficiency, and time. short effect

Inactive Publication Date: 2017-05-31
陈星豪
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the current methods of extracting citronella grass mostly use solvent extraction, which has low efficiency, low purity of functional components, and poor persistence of mosquito repellent

Method used

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  • Safe non-toxic mosquito repellent lotion and preparation method thereof
  • Safe non-toxic mosquito repellent lotion and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] (1) Wash 100g of high-quality citronella grass, dry it in the sun, and then pulverize it to obtain citronella grass powder, add 1500g of deionized water, use 10g of cellulase, 30g of carboxylesterase and 10g of pectinase at 60°C, pH5, Enzymolysis for 6 hours;

[0026] (2) heating 1650g of enzymolysis solution gained in step (1) to boiling, incubating for 8 minutes to kill the enzyme, then cooling to room temperature, and centrifuging to obtain 130g of citronella clear liquid;

[0027] (3) Pour the citronella grass clear night obtained in step (2) into 1100g carbon tetrachloride, after ultrasonication for 8 minutes, let it stand for stratification, take the supernatant, separate through the oil-water separation tower, and the oil phase is 26.8g, which is the fragrance Thatched grass extract, the oil-water separation temperature is 50°C;

[0028] (4) Dissolve 3g natural borneol, 2g essence and 1g salicylic acid in 5g ethanol, then add 20g citronella extract, 6g butanedio...

Embodiment 2

[0030] (1) Wash 100g of high-quality citronella grass, dry it in the sun, and then pulverize it to obtain citronella grass powder, add 1800g of deionized water, use 7g of cellulase, 21g of carboxylesterase and 7g of pectinase at 50°C and PH4, Enzymolysis for 7 hours;

[0031] (2) 1650g of the enzymatic hydrolyzate obtained in step (1) was heated to boiling, incubated for 5 minutes to kill the enzyme, then cooled to room temperature, and centrifuged to obtain 142g of citronella clear liquid;

[0032] (3) Pour the citronella grass clear night obtained in step (2) into 1150g carbon tetrachloride, after ultrasonication for 5 minutes, let it stand for stratification, take the supernatant, separate through the oil-water separation tower, and the oil phase is 30.2g, which is the fragrance Thatched grass extract, the oil-water separation temperature is 45°C;

[0033] (4) 2g natural borneol, 3g essence and 2g salicylic acid are dissolved in 6g ethanol, then add 18g citronella extract,...

Embodiment 3

[0035] (1) Wash 100g of high-quality citronella grass, dry it in the sun, and then pulverize it to obtain citronella grass powder, add 2000g of deionized water, use 4g of cellulase, 12g of carboxylesterase and 4g of pectinase at 65°C and PH6, Enzymolysis for 5 hours;

[0036] (2) heating the enzymolysis solution obtained in step (1) to boiling, incubating for 10 minutes to kill the enzyme, then cooling to room temperature, and centrifuging to obtain 110 g of citronella clear liquid;

[0037] (3) Pour the citronella grass clear night obtained in step (2) into 1100g of carbon tetrachloride, after ultrasonication for 10 minutes, let it stand for stratification, take the supernatant, separate through the oil-water separation tower, and the oil phase is 28.1g, which is the fragrance Thatched grass extract, the oil-water separation temperature is 55°C;

[0038] (4) Dissolve 4g natural borneol, 1g essence and 3g salicylic acid in 8g ethanol, then add 15g citronella extract, 8g triet...

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Abstract

The invention provides a safe non-toxic mosquito repellent lotion and a preparation method thereof. The safe non-toxic mosquito repellent lotion is prepared from the following components in parts by weight: 15-20 parts of lemon grass extract, 5-8 parts of ethanol, 2-4 parts of natural borneol, 1-3 parts of essence, 5-8 parts of a cosolvent, 1-2 parts of salicylic acid and 40-60 parts of deionized water. The prepared mosquito repellent lotion is natural and non-toxic, has high contents of active components and a lasting mosquito repellent effect, and is suitable for all kinds of people.

Description

technical field [0001] The invention belongs to the technical field of daily chemicals, and in particular relates to a mosquito repellent lotion, in particular to a safe and non-toxic mosquito repellent lotion and a preparation method thereof. Background technique [0002] After being bitten by mosquitoes, the skin itches unbearably, and blisters appear, which can seriously cause infectious diseases such as hepatitis B, malaria, and dengue fever, which pose a greater threat to children's health. Babies are weak in constitution and poor in disease resistance. Once infected with an infectious disease, the onset is acute and severe, with high fever and convulsions. In severe cases, it will leave lifelong and irreparable sequelae, affecting health and intellectual development, and even life-threatening. [0003] Mosquito killers and repellents are generally used to control mosquitoes. Mosquito killers refer to substances that directly kill mosquitoes through contact with mosqui...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61K8/9794A61K8/368A61K8/34A61Q17/02
CPCA61K8/97A61K8/34A61K8/368A61K2800/82A61Q17/02
Inventor 陈星豪
Owner 陈星豪
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