Indole-3-acetic acid and indole-3-acetylaspartic acid isolated from seeds of Heracleum laciniatum Horn

Jerry D. Cohen, Arild Ernstsen

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11 Scopus citations

Abstract

Seeds from mature flowers of Heracleum laciniatum were collected locally (Tromsø, Norway). Seed coats were removed and the seeds were analyzed for their content of free, free plus ester-conjugate, and total indole-3-acetic acid (IAA) by quantitative gas chromatography-mass spectrometry. Seeds contained high levels of free and amide-linked IAA relative to other dicotyledonous seeds for which values have been published. The major amide conjugate in this material was identified as indole-3-acetylaspartate by gas chromatography-mass spectrometry of its bis-methyl ester.

Original languageEnglish (US)
Pages (from-to)95-101
Number of pages7
JournalPlant Growth Regulation
Volume10
Issue number2
DOIs
StatePublished - May 1 1991

Keywords

  • arctic plants
  • auxin
  • auxin conjugates
  • mass spectrometry
  • seed hormones

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