A traditional Chinese medicine composition for repelling mosquitoes and relieving itching and its application
A composition and mosquito repelling technology, applied in the direction of drug combination, medical formula, plant raw materials, etc., can solve the problems of weak mosquito repelling effect, insignificant difference in efficacy, lack of novelty, etc. The effect of efficacy
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Embodiment 1
[0032] Get 10Kg lemon eucalyptus leaves, extract by steam distillation for 4 hours, extract lemon eucalyptus oil phase volatile oil, and obtain 500g lemon eucalyptus essential oil.
[0033] Get 10Kg Fructus Cnidii, after fully pulverizing, pass through 40 mesh sieves, place in supercritical carbon dioxide extraction apparatus, with carbon dioxide, extraction pressure and extraction temperature are respectively 25MPa and 50 ℃, separation pressure and separation temperature are respectively 5.2MPa and 30 Under the condition of ℃, extract for 6 hours, collect the extract, and obtain 100 g of Cnidiac Cnidii essential oil.
[0034] Get 2500g oregano medicinal material, pulverize, cross 20 mesh sieves, put in supercritical carbon dioxide extraction apparatus, be respectively 15MPa and 35 ℃ with carbon dioxide at extraction pressure and extraction temperature, separation pressure and separation temperature are respectively 5.2MPa and 30 ℃ Conditions, extract 1 hour, collect extract 2...
Embodiment 2
[0039] The formula of mosquito repellent antipruritic Chinese medicine composition is as follows:
[0040] Essential oil of lemon eucalyptus, essential oil of cnidium, oil of oregano and extract of eucommia seed are all commercially available.
[0041] The formula of mosquito repellent antipruritic Chinese medicine composition is as follows:
[0042] The essential oil of lemon eucalyptus is 10%, the essential oil of cnidium is 3%, and the oregano oil is 0.5%. The weight ratio of Eucommia seed extract to the composition is 0.2%, and the balance is glycerin. The total weight of the composition is 500g. The components are uniformly mixed to obtain the mosquito repellent and antipruritic composition.
Embodiment 3
[0044] Lemon eucalyptus essential oil, cnidium essential oil, oregano oil and Eucommia ulmoides seed extract were all prepared according to the method in Example 1.
[0045] The essential oil of lemon eucalyptus is 10%, the essential oil of cnidium is 10%, and the oregano oil is 0.5%. The weight ratio of Eucommia ulmoides seed extract to the composition is 0.2%, and the balance is propylene glycol. The total weight of the composition is 500g. The components are uniformly mixed to obtain the mosquito repellent and antipruritic composition.
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