A kind of external gel for treating prone to skin diseases in tropical areas and preparation method thereof
A gel for external use, skin disease technology, applied in the field of traditional Chinese medicine, can solve the problems of difficult diagnosis, narrow application range, and difficult to accurately select drugs, etc., and achieve excellent antibacterial effect
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[0020] The preparation steps of the above-mentioned active pharmaceutical ingredients include: (1) take Sophora flavescens, Kochia scoparia, Toon root bark and add 8-15 times the amount of water, soak for 15-45min, extract 1-3 times, each time for 1.5-3.0 hours, filter After that, the combined filtrate is concentrated to the water extract with a relative density of 1: 0.8-1.2 for subsequent use; (2) get Cortex Phellodendri and Fructus Cnidii plus 6-10 times the amount of 60-90% ethanol, extract 1-3 times, each time Extract for 1-3 hours, recover ethanol, filter, combine the filtrates, concentrate to an alcohol extract with a relative density of 1:0.8-1.2, and set aside; (3) Take patchouli and Eucalyptus eucalyptus and add 10-15 times the amount of water, Soak for 0.5-2 hours, extract for 4-6 hours to obtain volatile oil; mix the above-mentioned water extract, alcohol extract, and volatile oil to obtain a combined medicinal solution for later use.
[0021] The preparation steps...
Embodiment 1
[0025] Prescription: Phellodendron 78.2, Cnidium 104.5, Sophora 157.3 Kochia 78.2, Toon root bark 78.2, Patchouli 55.5, Eucalyptus eucalyptus 111.8, Carbomer-94020, hydroxypropyl methyl 15 parts of sodium cellulose, 150 parts of propylene glycol, 200 parts of glycerin, 2 parts of anhydrous sodium sulfate, 2 parts of sodium hydroxide, 1 part of ethyl paraben, and an appropriate amount of distilled water.
[0026] Preparation method:
[0027] 1) Take Sophora flavescens, Kochia chinensis, and Toon root bark, add 12 times the amount of water, soak for 30 minutes, extract twice, 2.0 hours each time, filter, combine the filtrates, concentrate to 1:1, and set aside;
[0028] 2) Add 8 times the amount of 75% ethanol to Phellodendron Phellodendron and Fructus Cnidii, extract twice for 1.5 hours each time, recover ethanol, filter, combine filtrates, concentrate to 1:1, and set aside;
[0029] 3) Take patchouli and Eucalyptus eucalyptus, add 12 times the amount of water, soak for 1.5 ho...
Embodiment 2
[0033] prescription:
[0034] Phellodendron 65 parts, Cnidium 90 parts, Sophora flavescens 145 parts, Kochia chinensis 65 parts, Toon root bark 65 parts, Patchouli 45 parts, Eucalyptus eucalyptus 100 parts, Carbomer-94030 parts, hydroxypropyl methyl 30 parts of sodium cellulose, 170 parts of propylene glycol, 220 parts of glycerin, 3 parts of anhydrous sodium sulfate, 3 parts of sodium hydroxide, 2 parts of ethyl paraben, appropriate amount of distilled water.
[0035] Preparation method:
[0036] 1) Take Sophora flavescens, Kochia chinensis, and Toon root bark, add 15 times the amount of water, soak for 45 minutes, extract 3 times, each time for 1 hour, filter, combine the filtrates, concentrate to a relative density of 1:1.15, and set aside;
[0037] 2) Add 110 times the amount of 190% ethanol to Phellodendron Phellodendron and Fructus Cnidii, extract twice for 3 hours each time, recover ethanol, filter, combine filtrates, concentrate to 1:1.15, and set aside;
[0038] 3) Ta...
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