External use type traditional Chinese medicine composition with effect of preventing and treating mosquito bite, skin-protecting preparation and preparation method thereof
A technology for mosquito bites and compositions, which is applied in the field of externally-used traditional Chinese medicine compositions, can solve problems such as singleness and inability to satisfy, and achieves the effects of simple preparation method, increased skin resistance, and prevention of damage
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Embodiment 1
[0051] The preparation of embodiment 1 Chinese medicine extract of the present invention
[0052] (1) After pulverizing the following raw materials to 20 meshes, weigh them according to the proportions by weight, and mix them evenly;
[0053] 40g fenugreek, 30g vine tea, 20g tribulus, 10g nutmeg;
[0054] (2) Extract with 95% ethanol by volume percentage, the g / mL mass-volume ratio of crude drug and ethanol is 1:30, after ultrasonic extraction at 25°C for 10 minutes, heat reflux extraction at 80°C for 40 minutes; the frequency of ultrasonic extraction is 50kHz, power is 300W;
[0055] (3) cooling the feed liquid obtained in step (2) to 30° C., filtering through a 100-mesh filter cloth to obtain the filtrate;
[0056] (4) In the filtrate that step (3) obtains, add the 1 of original ethanol amount, 3-butanediol miscibility is even, decompression concentrates the ethanol in the solution, decompression concentration conditions: vacuum degree-0.095MPa, temperature 48 ℃; then vac...
Embodiment 2
[0057] The preparation of embodiment 2 Chinese medicine extracts of the present invention
[0058](1) After pulverizing the following raw materials to 10 meshes, weigh them according to the proportions by weight, and mix them evenly;
[0059] 60g fenugreek, 45g vine tea, 10g tribulus, 5g nutmeg;
[0060] (2) Extract with 60% ethanol by volume percentage, the g / mL mass-volume ratio of crude drug and ethanol is 1:10, after ultrasonic extraction at 20°C for 5 minutes, heat reflux extraction at 75°C for 50 minutes; the frequency of ultrasonic extraction is 40kHz, power is 200W;
[0061] (3) cooling the feed liquid obtained in step (2) to 26° C., and filtering through an 80-mesh filter cloth to obtain the filtrate;
[0062] (4) In the filtrate that step (3) obtains, add the 1 of original ethanol amount, 3-butanediol miscibility is even, decompression concentrates the ethanol in the solution, decompression concentration conditions: vacuum degree-0.095MPa, temperature 45 ℃; then v...
Embodiment 3
[0063] The preparation of embodiment 3 Chinese medicine extract of the present invention
[0064] (1) After pulverizing the following raw materials to 50 meshes, weigh them according to the proportions by weight, and mix them evenly;
[0065] 20g fenugreek, 15g vine tea, 30g terrestris, 20g nutmeg;
[0066] (2) Extract with 80% ethanol by volume percentage, the g / mL mass volume ratio of raw material drug and ethanol is 1:50, after ultrasonic extraction at 40°C for 15 minutes, heat reflux extraction at 85°C for 30 minutes; the frequency of ultrasonic extraction is 20kHz, power is 500W;
[0067] (3) cooling the feed liquid obtained in step (2) to 20° C., filtering through a 50-mesh filter cloth to obtain the filtrate;
[0068] (4) In the filtrate that step (3) obtains, add the 1 of original ethanol amount, 3-butanediol miscibility is even, decompression concentrates out the ethanol in the solution, decompression concentration conditions: vacuum degree-0.095MPa, temperature 50 ...
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