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%.
Corresponding Author(s):
LI Jingwei,Email:llijingwei@163.com; LIU Jian,Email:ljian79@hotmail.com
引用本文:
. 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.
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). Front Agric Chin, 2009, 3(1): 40-42.
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