Objective: To analyse the volatile compositions of different specification of Panax notoginseng.

Methods: Volatile compositions from different specification of Panax notoginseng were detected by Headspace Solid-Phase Micro-Extraction with GC/MS.

Results: Terpenoids were the main compositions in different specification of Panax Notoginseng, and a-guaiene was the fundamental ingredient. The type, content and quantity of the compounds were different in different type of Panax notoginseng.

Conclusion: Terpenoids were the main pharmacodynamics of the volatile compositions of Panax notoginseng and worthy of further study.

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