Journal of
Medicinal Plants Research

  • Abbreviation: J. Med. Plants Res.
  • Language: English
  • ISSN: 1996-0875
  • DOI: 10.5897/JMPR
  • Start Year: 2007
  • Published Articles: 3843

Full Length Research Paper

Feeding deterrents from the tubers of Boschniakia himalaica against the red flour beetle, Tribolium castaneum

Jie Cao1, Zhi Long Liu2*, Shu Shan Du1* and Zhi Wei Deng3
1State Key Laboratory of Earth Surface Processes and Resource Ecology, Beijing Normal University, Beijing 100875, China. 2Department of Entomology, China Agricultural University, 2 Yuanmingyuan West Road, Haidian District, Beijing 100193, China. 3Analytic and Testing Center, Beijing Normal University, No. 19, Xinjiekouwai Street, Beijing 100875, China.
Email: [email protected]

  •  Accepted: 12 April 2012
  •  Published: 16 May 2012

Abstract

In our screening program for new agrochemicals from Chinese medicinal herbs and local wild plants, MeOH/CHCl3 extract of the tubers of Boschniakia himalaica was found to possess strong feeding deterrent activity against the red flour beetle, Tribolium castaneum. From the MeOH/CHCl3 extract, three feeding deterrents were isolated by bioassay-guided fractionation. The constituent compounds were isolated and identified as 3β-acetoxyurs-12-en-28-oic acid (1), 3β-acetoxyurs-28,13-olide (2) and (+)-pinoresinol monoglucoside (3) based on high-resolution electron impact mass spectrometry and nuclear magnetic resonance. Compounds 1, 2 and 3 exhibited feeding deterrent activity against T. castaneumadults with ED50 values of 378, 940 and 609 ppm, respectively.

 

Key words: Boschniakia himalaica, Tribolium castaneum, feeding deterrent.

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