METHODS: Qualitative identification was made by IR, UV, AAS, PC, TLC,HPLC, amino acide analysis and SDS PAGE methods.

• 方法：采用红外、紫外、原子吸收光谱、氨基酸自动分析色谱及PC，TLC，HPLC，SDS?APGE电泳法进行定性鉴别。