Frontiers of Agriculture in China >
GC-MS analysis of the chemical constituents of the essential oil from the leaves of yacon (Smallanthus sonchifolia)
Received date: 17 Mar 2008
Accepted date: 17 Jul 2008
Published date: 05 Mar 2009
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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%.
Key words: GC-MS; chemical constituent; essential oil; Smallanthus sonchifolia
Jingwei LI , Jian LIU , Hai LAN , Mingmin ZHENG , Tingzhao RONG . GC-MS analysis of the chemical constituents of the essential oil from the leaves of yacon (Smallanthus sonchifolia)[J]. Frontiers of Agriculture in China, 2009 , 3(1) : 40 -42 . DOI: 10.1007/s11703-009-0008-z
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