三种分离自冬虫夏草真菌及培养条件

孟云,唐汉尧,施金铎,王敦

Three fungal strains isolated from stroma of Ophiocordyceps sinensis and their culture conditions

MENG Yun,TANG Han-Yao,SHI Jin-Duo,WANG Dun

表4 虫草素和虫草酸的质谱条件

Table 4 Mass spectrometry conditions for cordycepic acid and cordycepin

化合物名称 Compound 前体离子 Precursor ion [M+H]+ (m/z) 质核比 Product ion (m/z) 激发能量 Collision energy (eV) 虫草酸 Cordycepic acid 183 69 (MS3) 35 虫草素 Cordycepin 252 136 (MS2) 35