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Simultaneous distillation-extraction of essential oil components of Radix Astragali seu Hedysari overground part and its gas chromatography-quadrupole time-of-flight tandem mass spectrometry analysis |
FENG Xin1 TIAN Jiayi1 CHEN Lifang1 LIU Min1 WANG Linyan2 ZENG Weixin1 |
1.Department of Pharmacy, Beijing Shijitan Hospital, Capital Medical University, Beijing 100038, China;
2.Academy of Chinese Medical Sciences, Zhejiang Chinese Medical University, Zhejiang Province, Hangzhou 310053, China
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Abstract Objective To provide the theoretical basis for the further development and utilization of Radix Astragali seu Hedysari, the volatile oil from Radix Astragali seu Hedysari overground part was extracted by simultaneous distillation-extraction method and its chemical constituents were determined by gas chromatography-quadrupole time-of-flight mass spectrometry(GC-Q/TOF MS). Methods The chemical components in volatile oils were detected by GC-Q/TOF-MS, and identified by NIST 14.L database. The relative contents of each component were determined by area normalization method. Results Sixty-six compounds were identified, which account for 93.62% of total flow area, mainly included Aliphatic compound (79.48%), Aromatic compound (6.71%), and Terpenoids compound (4.68%). The main constituents of the oil werePhytol(16.84%), 1-Octen-3-ol(15.42%), 3-Hexen-1-ol, (E)-(9.51%), Benzyl alcohol(2.68%),Phenylethyl Alcohol (1.84%), and Linalool(2.98%). Conclusion There are abundant chemical constituents in the volatile oil of Radix Astragali seu Hedysari ground part. GC-Q/TOF MS can get the information of its composition in accurate and rapid. This research provide a new idea for the development and utilization of Radix Astragali seu Hedysari.
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