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Molecules 2015, 20(12), 21939-21945; doi:10.3390/molecules201219818

Chemical Compositions and Insecticidal Activities of Alpinia kwangsiensis Essential Oil against Lasioderma serricorne

1
Technical Center of China Tobacco Guangxi Industrial Co., Ltd., Nanning 530001, Guangxi, China
2
Beijing Key Laboratory of Traditional Chinese Medicine Protection and Utilization, Beijing Normal University, No. 19 Xinjiekouwai Street, Beijing 100875, China
*
Author to whom correspondence should be addressed.
Academic Editor: Christopher W. K. Lam
Received: 16 November 2015 / Revised: 28 November 2015 / Accepted: 1 December 2015 / Published: 8 December 2015
(This article belongs to the Collection Herbal Medicine Research)
View Full-Text   |   Download PDF [193 KB, uploaded 8 December 2015]

Abstract

The essential oil obtained by hydrodistillation from Alpinia kwangsiensis rhizomes was investigated by GC-MS. A total of 31 components representing 92.45% of the oil were identified and the main compounds in the oil were found to be camphor (17.59%), eucalyptol (15.16%), β-pinene (11.15%) and α-pinene (10.50%). These four compounds were subsequently isolated and the essential oil and four isolated compounds exhibited potent insecticidal activity against Lasioderma serricorne adults. During the assay, it was shown that the essential oil exhibited both potential contact (LD50 = of 24.59 μg/adult) and fumigant (LC50 = of 9.91 mg/L air) toxicity against Lasioderma serricorne. The study revealed that the insecticidal activity of the essential oil can be attributed to the synergistic effects of its diverse major components, which indicates that oil of Alpinia kwangsiensis and its isolated compounds have potential to be developed into natural insecticides to control insects in stored grains and traditional Chinese medicinal materials. View Full-Text
Keywords: A. kwangsiensis; Lasioderma serricorne; essential oil; contact toxicity; fumigant toxicity A. kwangsiensis; Lasioderma serricorne; essential oil; contact toxicity; fumigant toxicity
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Wu, Y.; Zhang, W.-J.; Huang, D.-Y.; Wang, Y.; Wei, J.-Y.; Li, Z.-H.; Sun, J.-S.; Bai, J.-F.; Tian, Z.-F.; Wang, P.-J.; Du, S.-S. Chemical Compositions and Insecticidal Activities of Alpinia kwangsiensis Essential Oil against Lasioderma serricorne. Molecules 2015, 20, 21939-21945.

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