Idesia polycarpa flower compound essential oil for treating chilblain and preparation method thereof
The technology of compound essential oil and tungzi flower, which is applied in the field of medicine, can solve the problems of affecting appearance, slow onset of frostbite, easy scarring and the like, and achieves the effects of low production cost, low price, and safe and effective treatment of frostbite.
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Embodiment 1
[0026] Preparation of Jatropha tomentosa essential oil
[0027] The preparation method of jatropha tomentosa essential oil comprises the following steps:
[0028] Gather Jatropha jatropha, after selection, place it in a carbon dioxide supercritical extraction device for extraction and separation. The supercritical carbon dioxide extraction device includes an extraction tank, a first purification tank, and a second purification tank. After being extracted in the extraction tank, the extract enters the first purification tank and the second purification tank in turn for purification, and the extract in the second purification tank is collected; the pressure of the extraction tank is 35MPa, the temperature is 30°C, and the time 120min, the flow rate of carbon dioxide during extraction was 14L / h per kg Jatropha tomentosa; the pressure of the first purification tank was 30MPa, and the temperature was 30°C; the pressure of the second purification tank was 20MPa, and the temperature ...
Embodiment 2
[0030] Preparation of saffron extract
[0031] Take saffron, add 6 times the volume of 90% ethanol for percolation, collect the percolation liquid, and concentrate under reduced pressure at 50°C to a relative density of 1.12 (40°C).
Embodiment 3
[0033] Preparation of Ligusticum chuanxiong leaf extract
[0034] Pick fresh Chuanxiong leaves, add 5 times the volume of 90% ethanol to soak for 48 hours, filter, and concentrate the soaking solution at 50°C under reduced pressure to a relative density of 1.12 (40°C).
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