Insecticidal fatty acids and triglycerides from Dirca palustris

  • J Agric Food Chem. 2001 Dec;49(12):5852-6. doi: 10.1021/jf010806y.
R S Ramsewak  1 ,  M G Nair ,  S Murugesan ,  W J Mattson ,  J Zasada
Affiliations
  • 1. Bioactive Natural Products and Phytoceuticals, Department of Horticulture and National Food Safety and Toxicology Center, Michigan State University, East Lansing, Michigan 48824, USA.
PMID: 11743774 DOI: 10.1021/jf010806y
Abstract

Five compounds, 1-5, were isolated from the seed hexane extract of Dirca palustris. Compounds 1-3 were triglycerides, and 4 and 5 were linoleic and oleic acids, respectively. Compounds 1-3 were not biologically active; however, 4 (linoleic acid) and 5 (oleic acid) were insecticidal against fourth instar Aedes aegyptii larvae and exhibited potent feeding deterrent activity against neonate larvae of Helicoverpa zea, Lymantria dispar, Orgyia leucostigma, and Malacosoma disstria.

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