Phalaenopsis extract and use thereof with activity of reducing tyrosinase and resisting oxidation for whitening the skin and slowing down the skin aging phenomenon
This invention provides a Phalaenopsis extract prepared by the following steps: (A) providing a to-be-extracted matter of petals, pedicels or petals and pedicels mixture of Phalaenopsis Aphrodite subsp. formosana (B) mixing the to-be-extracted matter with 95% (v/v) ethanol in a weight ratio of 1:20 to 1:5 to form a mixture, and standing still for 20 ~ 30 hours for extraction and (c) filtering the mixture to obtain an alcohol-soluble solution of the Phalaenopsis extract. The Phalaenopsis extract of this invention has the activity of reducing tyrosinase and resisting oxidation, and can be used for whitening the skin and slowing down the skin aging phenomenon.本發明提供一種蝴蝶蘭萃取物,其係由包括以下之步驟所製備:(a) 提供一蝴蝶蘭(Phalaenopsis Aphroditesubsp.formosana)之花瓣、花梗或花瓣與花梗相混合之待萃取物;(b) 將該待萃取物與95%(v/v)乙醇以1:20~1:5重量比混合形成一混合物後,靜置20~30小時以進行萃取;以及(c) 過濾該混合物,以獲得一醇溶性蝴蝶蘭萃取物溶液。藉由本發明蝴蝶蘭萃取物具有降低酪胺酸酶以及抗氧化的活性,可利用於美白皮膚並減緩皮膚的老化現象。無
