Epicuticular terpenoids and an aurone from flowers of Helianthus annuus

Ali A. Alfatafta, Christopher A. Mullin

Research output: Contribution to journalArticle

21 Scopus citations

Abstract

Inspection of the epicuticular floral chemistry of the cultivated sunflower afforded the new germacranolides 3-O-methylniveusin A and 1,10-O-dimethyl-3-dehydroargophyllin B diol, the eudesmanoic acid eudesma-1,3,11(13)-trien-12-oic acid, the diterpene 7-oxo-trachyloban-15α, 19-diol and the new 5-hydroxy-4,6,4′-trimethoxyaurone. The sesquiterpenes were strongly antifeedant to adult western corn rootworm, Diabrotica virgifera virgifera, in a squash disk consumption bioassay.

Original languageEnglish (US)
Pages (from-to)4109-4113
Number of pages5
JournalPhytochemistry
Volume31
Issue number12
DOIs
StatePublished - Dec 1992

All Science Journal Classification (ASJC) codes

  • Biochemistry
  • Molecular Biology
  • Plant Science
  • Horticulture

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