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[Objective] To determine methyl-n-nonyl-ketone content in dried Houttuynia cordata Thumb.by gas chromatography.[Method] Capillary column and FID detector were introduced in this study,external standard curve was used for methylnonyl ketone qualitative analysis.[Result] The content of methylnonyl ketone and peak area were in good linear relationship in the range of 0.82-20.50 mg/ml(r=0.999 9),the average recovery was 98.08%.[Conclusion] Determination of methylnonyl ketone in Houttuynia cordata Thumb.by gas chromatograph had higher sensitivity and accuracy.
[Objective] To determine methyl-n-nonyl-ketone content in dried Houttuynia cordata Thumb. By gas chromatography. [Method] Capillary column and FID detector were introduced in this study, external standard curve was used for methylnonyl ketone qualitative analysis. [Result ] The content of methylnonyl ketone and peak area were in good linear relationship in the range of 0.82-20.50 mg / ml (r = 0.999 9), the average recovery was 98.08%. Conclusion The determination of methylnonyl ketone in Houttuynia cordata Thumb. by gas chromatograph had higher sensitivity and accuracy.