The structure and fragmentation pathway of silybin were elucidated by electron spray ionization mass spectrometry (ESI-MS).
采用电喷雾离子阱(ESI - MS)质谱技术对水飞蓟宾的结构和裂解途径进行研究。
Cellotriose and cellotetraose were analyzed by electron pray ionization mass spectrometry(ESI-MS) with negative ion mode.
在负离子模式下对纤维三糖和纤维四糖进行电喷雾电离质谱(ESI-MS)分析。
Methods: Volatile oil was separated by solvent extraction and analysed by gas chromatography coupled with electron impact ionization-mass spectrometry (GC-MS).
方法:采用溶剂浸渍方法提取冬凌草中的挥发性成分,用GC -MS方法对冬凌草挥发油的化学成分进行分析。
Methods: Volatile oil was separated by solvent extraction and analysed by gas chromatography coupled with electron impact ionization-mass spectrometry (GC-MS).
方法:采用溶剂浸渍方法提取冬凌草中的挥发性成分,用GC -MS方法对冬凌草挥发油的化学成分进行分析。
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