The application of five-finger peach and its extract
A technology of five-finger peach and five-finger peach alcohol, which is applied to medical preparations containing active ingredients, drug combinations, plant raw materials, etc., and can solve the problems of no use of five-finger peach and no cosmetic whitening
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Embodiment 1
[0032] Embodiment 1: the preparation of the five-fingered peach extract of the present invention
[0033] Dry and crush 40g of Peach chinensis, mix with 400mL of 70v / v% ethanol solution, extract by ultrasonic for 0.5 hours, separate the crude extract, remove the solvent under reduced pressure, and obtain 2.6g of crude extract of Peach syringae.
[0034] Take 1.6g of the crude extract of Peach chinensis, dissolve it with deionized water, load it into the AB-8 resin-filled column, and use deionized water, 20v / v% ethanol, 40v / v% ethanol, 60v / v% ethanol, Gradient elution with 80v / v% ethanol and 95v / v% ethanol, collect the eluents of 60v / v% ethanol, 80v / v% ethanol, and 95v / v% ethanol respectively, remove ethanol and water under reduced pressure, and obtain five-finger hair peach Extracts were collected and stored frozen at -20°C.
Embodiment 2
[0035] Embodiment 2: the preparation of the five-finger peach extract of the present invention
[0036]After drying 20g of Peach chinensis, crush it, mix it with 400mL of 50v / v% ethanol solution, stir and extract for 2 hours, separate the crude extract, remove the solvent under reduced pressure, and obtain 1.7g of crude extract of Peach syringae.
[0037] Take 1.0g of the crude extract of Prunus sinensis, dissolve it in deionized water, load it on a D301 resin-filled column, and sequentially elute it with deionized water, 40v / v% ethanol, 60v / v% ethanol, and 80v / v% ethanol , collect eluents of 60v / v% ethanol and 80v / v% ethanol respectively, and remove ethanol and water under reduced pressure to obtain the extract of Prunus chinensis, which is collected and stored frozen at -20°C.
Embodiment 3
[0038] Embodiment 3: the preparation of the five-fingered peach extract of the present invention
[0039] Dry and crush 40g of Peach chinensis, mix with 800mL of 90v / v% ethanol solution, extract in a countercurrent cycle for 1 hour, separate the crude extract, and remove the solvent under reduced pressure to obtain 1.9g of crude extract of Peach syringae.
[0040] Take 1.5g of the crude peach extract, dissolve it in deionized water, load it into the X-5 resin-filled column, and use deionized water, 30v / v% ethanol, 60v / v% ethanol, 90v / v% ethanol gradient For elution, collect eluents of 60v / v% ethanol and 90v / v% ethanol respectively, and remove ethanol and water under reduced pressure to obtain the extract of Peach chinensis, which is collected and stored frozen at -20°C.
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