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Frontiers of Agriculture in China

ISSN 1673-7334

ISSN 1673-744X(Online)

CN 11-5729/S

Front Agric Chin    2009, Vol. 3 Issue (1) : 40-42    https://doi.org/10.1007/s11703-009-0008-z
RESEARCH ARTICLE
GC-MS analysis of the chemical constituents of the essential oil from the leaves of yacon (Smallanthus sonchifolia)
Jingwei LI(), Jian LIU(), Hai LAN, Mingmin ZHENG, Tingzhao RONG
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%.

Keywords GC-MS      chemical constituent      essential oil      Smallanthus sonchifolia     
Corresponding Author(s): LI Jingwei,Email:llijingwei@163.com; LIU Jian,Email:ljian79@hotmail.com   
Issue Date: 05 March 2009
 Cite this article:   
Jingwei LI,Jian LIU,Hai LAN, et al. GC-MS analysis of the chemical constituents of the essential oil from the leaves of yacon (Smallanthus sonchifolia)[J]. Front Agric Chin, 2009, 3(1): 40-42.
 URL:  
https://academic.hep.com.cn/fag/EN/10.1007/s11703-009-0008-z
https://academic.hep.com.cn/fag/EN/Y2009/V3/I1/40
no.tR/minname of compoundmolecular weightmolecular formularrelative content/%
13.65α-phellandrene136C10H160.2
23.77α-pinene136C10H161.6
34.34β-phellandrene136C10H1626.3
44.43sabinene136C10H160.3
54.56β-myrcene136C10H160.5
65.07benzyl alcohol108C7H8O0.2
75.21p-cymene134C10H140.4
85.87δ-terpinen136C10H161.4
98.55terpinen-4-ol154C10H18O3.0
1012.51δ-elemene136C10H160.7
1113.27α-muurolene204C15H241.1
1213.48α-cubebene204C15H240.7
1313.72β-bourbonene204C15H2410.2
1413.83epi-bicyclosesquiphellandrene204C15H241.6
1514.58β-caryophyllene204C15H2414.0
1614.8germacrene D204C15H241.1
1715.4α-humulene204C15H240.6
1816.06β-cubebene204C15H2417.6
1917.04δ-cadinene204C15H244.6
2019.46β-vatirenene202C15H223.5
2120.757-tetracycloundecanol220C15H24O6.6
Tab.1  Chemical components of the essential oil from the leaves of yacon
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