气相色谱法测定益智挥发油ρ-聚伞花烃的含量___
GC determination of p-cymene in volatile oil from Fruits of Alpinia oxyphylla Miq. *
分类号：
出版年·卷·期（页码）：2009,29 (8):0-0
DOI:
10.16155/j.0254-1793.2017.01.01
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-----英文摘要：---------------------------------------------------------------------------------------
Objective: To establish a method for the determination of the content of p-cymene in volatile oil from Fruits of Alpinia oxyphylla. Methods: The Gas chromatographic analysis was performed using HP-5 capillary column(30m×0.32mm×0.25μm); highly pure N2 was adopted as carrier gas at the flow rate of 1mL•min-1; the inlet port and the FID detector temperature was 200℃ and 280℃ respectively; the column temperature was 60-160℃ and rose by program. The content was calculated with external standard. Results: p-cymene has good liner relationship in the concentration range of 0.43-4.30 mg•mL-1(r=0.9999); the average recovery was 97.1%, RSD(n=6) was 0.6%. Conclusion: The method is simple, accurate and reproducible. It can be applied for the determination of the content of p-cymene in volatile oil from Fruits of Alpinia oxyphylla Miq..
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