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[Rapid identification of Cortex moutan radicis and similar aromatic Chinese herbs by headspace gas chromatography]
Jian-Wei Chen1, Xiang Li, Zhu-Ren Yuan
1Institute of Medicinal Fungi & Bio-Technology of Traditional Chinese Medicine, College of Pharmacy, Nanjing University of Traditional Chinese Medicine, Nanjing, Jiangsu Province 210029, China. chenjw55@sina.com
Objective:
To establish the method for rapid identification of the quality of Cortex moutan radicis and similar aromatic Chinese herbs by headspace gas chromatography (HSGC).
Methods:
The constituents of headspace gas from Chinese herbs, such as Cortex moutan radicis,Radix cynanchi paniculati and root-bark of Paeonia lactiflora. were analyzed by HSGC.
Results:
The characteristic finger-print headspace chromatograms of these three drugs were different from one another. Cortex moutan radicis stored for 4 years under common conditions contained only traces of paeonol.
Conclusion:
HSGC was simple, quick and accurate in identifying and controlling the quality of aromatic Chinese herbs.
