Amino acids in dried bear gall,ox gall, pig gall and sheep gall were determined by using chemical derivatization method and GC/MS technique.

• 采用化学衍生化和GC-MS分析技术，测定了熊胆、牛胆、猪胆、羊胆中的氨基酸，经计算机检索确定了14种。