Idesia polycarpa flower compound essential oil with spot fading effect and preparation method of idesia polycarpa flower compound essential oil
The technology of compound essential oil and tungzi flower, applied in the field of medicine, can solve the problems of obvious adverse reactions, long period of pigmentation, insignificant effect, etc., and achieves the effects of low price, lightening of pigmentation, increasing blood circulation and eliminating pigmentation.
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Embodiment 1
[0027] Preparation of comfrey oil
[0028] Take 500g of comfrey, crush it into a coarse powder, add 2000ml of sesame oil at 170°C, cool to room temperature under stirring, extract at room temperature for 48 hours, filter, and take the filtrate to obtain the product.
Embodiment 2
[0030] Preparation of Huoxiang Extract
[0031] Take 500g of Huoxiang, crush it into a coarse powder, add 3000ml of 90% ethanol to impregnate for 36 hours, filter, and concentrate the impregnation solution at 60°C under reduced pressure to a relative density of 1.12 (60°C).
Embodiment 3
[0033] Preparation of Jatropha tomentosa essential oil
[0034] The preparation method of jatropha tomentosa essential oil comprises the following steps:
[0035] 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, and the extract in the third purification tank is collected; the pressure of the extraction tank is 35MPa, the temperature is 30°C, and the time is 120min , the flow rate of carbon dioxide during extraction is 18L / h per kg Jatropha tomentosa; the pressure of the first purification tank is 30MPa, and the temperature is 30°C; the pressure of the second purification tank is 20MPa, and the temperature is 25°C. The flow...
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