In this paper, the contents of catalpol, Water-extract and alcohol-extract materials, ash, total reducing sugar and inorganic elements in Dihuang from different habitats havre been measured.

• 对不同产地的地黄作了梓醇、水醇浸出物,灰分、酸不溶性灰分,总还原糖及无机元素的含量测定。