A feeding stimulant for Manduca sexta from Solanum surattenses

M. Haribal, J. A.A. Renwick, A. B. Attygalle, D. Kiemle

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10 Scopus citations

Abstract

The acceptance of Solanum surattenses as a host plant for the larvae of Manduca sexta was explained by the presence of feeding stimulants in foliage. Bioassay-guided fractionation of plant extracts resulted in the isolation of a highly active compound (1), which was identified as a furostan derivative {26-O-β-D-glucopyranosyl-(25R)-furosta-5-ene-3-β-yl-O-α-L- rhamnopyranosyl-(1″-2′)-O-α-L-rhamnopyranosyl-(1‴- 3″)-O-β-D-glucopyranoside}. This compound has the same steroidal core substructure as that in a stimulant (indioside D) previously identified from potato foliage. However, the sugar substituents attached to the core are different.

Original languageEnglish
Pages (from-to)2687-2694
Number of pages8
JournalJournal of Chemical Ecology
Volume32
Issue number12
DOIs
StatePublished - Dec 2006

Keywords

  • Bioassay
  • Feeding stimulant
  • Furostan derivative
  • Manduca sexta
  • Solanum

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