Methods: Inspecting the appearance, general subjects( water content, total ash, sour insoluble ash) on different type of new radix angelicae sinensis praeparata and using HPLC to determine the content of ferulic acid.

• 方法:对不同规格的当归新型饮片进行性状、水分、总灰分、酸不溶性灰分、浸出物检查,HPLC测定阿魏酸含量。