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Molecules 2011, 16(6), 5079-5086; doi:10.3390/molecules16065079
Article

Nematocidal Flavone-C-Glycosides against the Root-Knot Nematode (Meloidogyne incognita) from Arisaema erubescens Tubers

1,* , 1, 2, 1, 2, 2,* , 1 and 3
1 State Key Laboratory of Earth Surface Processes and Resource Ecology, Beijing Normal University, Beijing 100875, China 2 Department of Entomology, China Agricultural University, Haidian District, Beijing 100094, China 3 Analytical and Testing Center, Beijing Normal University, Beijing 100875, China
* Authors to whom correspondence should be addressed.
Received: 20 May 2011 / Revised: 7 June 2011 / Accepted: 15 June 2011 / Published: 20 June 2011
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Abstract

A screening of several Chinese medicinal herbs for nematicidal properties showed that Arisaema erubescens (Wall.) Schott tubers possessed significant nematicidal activity against the root-knot nematode (Meloidogyne incognita). From the ethanol extract, two nematicidal flavone-C-glycosides were isolated by bioassay-guided fractionation. The compounds were identified as schaftoside and isoschaftoside on the basis of their phytochemical and spectral data. Schaftoside and isoschaftoside possessed strong nematicidal activity against M. incognita (LC50 = 114.66 μg/mL and 323.09 μg/mL, respectively) while the crude extract of A. erubescens exhibited nematicidal activity against the root-knot nematode with a LC50 value of 258.11 μg/mL.
Keywords: nematicidal activity; Arisaema erubescens; Meloidogyne incognita; schaftoside; isoschaftoside nematicidal activity; Arisaema erubescens; Meloidogyne incognita; schaftoside; isoschaftoside
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).
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Du, S.S.; Zhang, H.M.; Bai, C.Q.; Wang, C.F.; Liu, Q.Z.; Liu, Z.L.; Wang, Y.Y.; Deng, Z.W. Nematocidal Flavone-C-Glycosides against the Root-Knot Nematode (Meloidogyne incognita) from Arisaema erubescens Tubers. Molecules 2011, 16, 5079-5086.

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