A method for the preparation of extract containing decursinol angelate from a leaf of Angelica gigas radix

摘要

invention Angelica gigas from Deco Leaves contain chuchulmulreul production rate during play Angel on how to be 1 ) True washed with water to remove any debris and the Angelica leaf moisture content of 0.1 to 5% (w / W) such that the step of drying and pulverizing; 2) removing 5 to 15-fold by adding one to four fat-soluble components, and then stirred repeated two to four times a process of 10 to 40 minutes ultrasonic treatment at room temperature for a period of time with respect to the sample weight of normal hexane to the comminuted sample Steps to; 3) The step of adding the oil-soluble component of 10 to 30 times a purity of at least 95% ethanol by weight with respect to the sample in the sample was removed and stirring for 1 to 2 hours and then for 10 to 40 minutes with ultrasound and filtered; And 4) drying the sample the filtered concentrated in vacuo or under a reduced pressure of 50 to 100 condition includes the step of obtaining a play Ansel rate when Deco-containing extract. ;