Plant extract having acne removal function and preparation method and application thereof
A plant extract and functional technology, applied in the field of skin care products, can solve the problems of improper skin care, ineffective skin care, impaired liver function, etc., and achieve the effects of relaxing pores, reducing pigmentation, and improving chills.
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Embodiment 1
[0040] (1) 15 parts by mass of calendula, 6 parts by mass of yarrow, 12 parts by mass of witch hazel, 12 parts by mass of pomegranate peel, 4 parts by mass of licorice, 4 parts by mass of Cortex Phellodendri and 2 parts by mass of Coptidis rhizoma, were dried and pulverized 20 mesh sieves to obtain calendula meal, yarrow meal, witch hazel meal, pomegranate peel meal, licorice meal, Phellodendron bark meal and Coptis chinensis meal;
[0041] (2) The CO 2 Supercritical fluid extraction; wherein, the extraction temperature is 40°C, the extraction pressure is 20Mpa, the extraction time is 2h, CO 2 The flow rate is 15L / h, the separation temperature is 40°C, and the separation pressure is 6Mpa; the extract is collected to obtain plant extract 1;
[0042] (3) The plant residue extracted in step (2) is subjected to CO again 2 Supercritical fluid extraction; wherein, absolute ethanol is used as entrainer, extraction temperature is 45°C, extraction pressure is 25Mpa, extraction time i...
Embodiment 2
[0046] (1) 10 parts by mass of calendula, 7 parts by mass of yarrow, 10 parts by mass of witch hazel, 15 parts by mass of pomegranate peel, 3 parts by mass of licorice, 5 parts by mass of Cortex Phellodendri and 1 part by mass of Coptidis rhizome were dried and pulverized 20 mesh sieves to obtain calendula meal, yarrow meal, witch hazel meal, pomegranate peel meal, licorice meal, Phellodendron bark meal and Coptis chinensis meal;
[0047] (2) The CO 2 Supercritical fluid extraction; wherein, the extraction temperature is 35°C, the extraction pressure is 18Mpa, the extraction time is 2.5h, CO 2 The flow rate is 20L / h, the separation temperature is 35°C, and the separation pressure is 10Mpa; the extract is collected to obtain plant extract 1;
[0048] (3) The plant residue extracted in step (2) is subjected to CO again 2 Supercritical fluid extraction; wherein, absolute ethanol is used as entrainer, extraction temperature is 40°C, extraction pressure is 20Mpa, extraction time ...
Embodiment 3
[0052] (1) 20 mass parts of calendula, 6 mass parts of yarrow, 15 mass parts of witch hazel, 8 mass parts of pomegranate peel, 5 mass parts of licorice, 3 mass parts of Cortex Phellodendri and 3 mass parts of Rhizoma Coptidis were dried and pulverized. 10 mesh sieves, obtain calendula meal meal, yarrow meal meal, witch hazel meal meal, pomegranate peel meal meal meal, licorice meal meal, Phellodendron cork meal meal and Coptidis Rhizome meal meal;
[0053] (2) The CO 2 Supercritical fluid extraction; wherein, the extraction temperature is 45°C, the extraction pressure is 30Mpa, the extraction time is 1h, CO 2 The flow rate is 10L / h, the separation temperature is 45°C, and the separation pressure is 5Mpa; the extract is collected to obtain plant extract 1;
[0054] (3) The plant residue extracted in step (2) is subjected to CO again 2 Supercritical fluid extraction; wherein, absolute ethanol is used as entrainer, extraction temperature is 50°C, extraction pressure is 30Mpa, e...
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