The results showed that catehintannin contents in the Dioscorea cirrhosa Lour. produced in two different places(Tiandeng county and Longlin county) were quite different.

• 表明薯良所含鞣质属儿茶素类缩合鞣质，两产地的薯良鞣质化学组分基本相同，所含鞣质含量有明显差异，隆林县高于天等县。