| 摘要 |
PURPOSE: A cosmetic composition containing a Rosa davurica PALL. extract is provided which has an effect on inhibiting the formation of a melanin pigment, helping wound healing and promoting collagen formation. CONSTITUTION: Flowers, fruits and roots of Rosa davurica PALL. are extracted 1 to 15 times with a solvent containing water, acetone, ethyl acetate, diethyl ether, benzene, chloroform, hexane and C1-4 lower alcohol at 50 to 95deg.C for 1 to 20hr in an extractor with a cooling condenser or soaking at 5 to 45deg.C for 1 to 15 days and then filtering with a filter cloth.
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