GC-MS analysis of the chemical constituents of the essential oil from the leaves of yacon (Smallanthus sonchifolia) |
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| Authors: | Jingwei Li Jian Liu Hai Lan Mingmin Zheng Tingzhao Rong |
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| Institution: | (1) Institute of Maize Research, Sichuan Agricultural University, Ya’an, 625014, China |
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| Abstract: | The essential oil from the leaves of yacon grown in China was isolated by hydrodistillation and distillation-extraction. Chemical
constituents of the essential oil were separated and identified by means of gas chromatography/mass spectrometry (GC/MS) for
the first time, and the relative content of each constituent was determined by area normalization. Twenty-one chemical constituents
were identified, and their amounts accounted for 96.2% of the total composition. The main components of the essential oil
were β-phellandrene (26.3%), β-cubebene (17.7%), β-caryophyllene (14.0%) and β-bourbonene (10.2%). Therefore, in the volatile
oil from the leaves of yacon, sesquiterpenes are major compounds, accounting for 52.2%. |
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| Keywords: | GC-MS chemical constituent essential oil Smallanthus sonchifolia |
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