Study on the characteristic branch sites of oligosaccharides of Astragalus polysaccharide APS-Ⅱ enzymolysis based on high resolution mass spectrometry
1. Modern Research Center for Traditional Chinese Medicine of Shanxi University, Taiyuan 030006, China
2. Key Laboratory of Chemical Biology and Molecular Engineering of Ministry of Education of Shanxi University, Taiyuan 030006, China
3. Key Laboratory of Effective Substances Research and Utilization in TCM of Shanxi Province, Taiyuan 030006, China
4. Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China
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