Analysis of experimental results of volatile oil components of Acorus gramineus by gas chromatography-mass spectrometry
Objective:To analyze the experimental results of volatile oil from Acorus gramineus by gas chromatography-mass spectrometry.Methods:The volatile oil from the rhizome of Acorus gramineus was obtained by water distillation,separated and identified by GC-MS,and the content of corresponding components in the volatile oil was determined by gas chromatography area normalization method.Results:After analysis,the results showed that there were more than 100 kinds of compounds in the volatile oil,and there were 25 compounds with relative content higher than 0.01％,accounting for 92.37％of the total.The two compounds with higher content were α-asarone,accounting for 32.29％,and β-asarone,accounting for 53.59％.The recovery rates of α-asarone and β-asarone were 100.2％and 103.1％,respectively,and the repeatability,accuracy and stability of α-asarone and β-asarone did not exceed 2％.The determination time lasted for 20 minutes,and the content of β-asarone and α-asarone in five batches of volatile oil from Acorus gramineus was(534.82±1.50)mg/g and(57.04±0.69)mg/g,respectively.Conclusion:The volatile oil of Acorus gramineus was identified by GC-MS,and it was found that both α-asarone and β-asarone were the main components,and β-asarone was the highest content.
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