Chemical compositions and larvicidal activities of leaf essential oils from two eucalyptus species

被引:246
作者
Cheng, Sen-Sung [2 ]
Huang, Chin-Gi [4 ]
Chen, Ying-Ju [3 ]
Yu, Jane-Jane [1 ]
Chen, Wei-June [5 ]
Chang, Shang-Tzen [1 ]
机构
[1] Natl Taiwan Univ, Sch Forestry & Resource Conservat, Taipei 106, Taiwan
[2] Natl Taiwan Univ, Nan Tou 557, Taiwan
[3] Taiwan Forestry Res Inst, Div Forest Chem, Taipei 100, Taiwan
[4] Natl Taiwan Univ, Dept Entomol, Taipei 106, Taiwan
[5] Chang Gung Univ, Dept Publ Hlth & Parasitol, Tao Yuan 333, Taiwan
关键词
Eucalyptus camaldulensis; Eucalyptus urophylla; Essential oils; Aedes aegypti; Aedes albopictus; INSECTICIDAL ACTIVITY; CAMALDULENSIS; LEAVES; PLANTS; VOLATILES;
D O I
10.1016/j.biortech.2008.02.038
中图分类号
S2 [农业工程];
学科分类号
082806 [农业信息与电气工程];
摘要
In the current study, the mosquito larvicidal activity of leaf essential oils and their constituents from two eucalyptus species (Eucalyptus camaldulensis and Eucalyptus urophylla) against two mosquito species, Aedes aegypti and Aedes albopictus, was investigated. In addition, the chemical compositions of the leaf essential oils were analyzed using gas chromatography-mass spectrometry. Results from the larvicidal tests revealed that essential oil from the leaves of E. camaldulensis had an excellent inhibitory effect against both A. aegypti and A. albopictus larvae. The 12 pure constituents extracted from the two eucalyptus leaf essential oils were also tested individually against two mosquito larvae. Among the six effective constituents, alpha-terpinene exhibits the best larvicidal effect against both A. aegypti and A. albopictus larvae. Results of this study show that the leaf essential oil of E. camaldulensis and its effective constituents might be considered as a potent source for the production of fine natural larvicides. (C) 2008 Elsevier Ltd. All rights reserved.
引用
收藏
页码:452 / 456
页数:5
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