Seasonal changes in the tannins of Liquidambar formosana reflecting their biogenesis

Tsutomu Hatano, Reiko Kira, Masao Yoshizaki, Takuo Okuda

Research output: Contribution to journalArticlepeer-review

64 Citations (Scopus)


Fractionation of the tannins in the leaf of Liquidambar formosana collected at different seasons showed that tellimagrandin II is the main component in early spring, while casuarinin and pedunculagin are the main tannins in autumn. Hydrolysable tannins structurally related to them, tellimagrandin I, casuariin, 1,2,4,6-tetra-O-galloyl-β-D-glucose and casuarictin were isolated from the leaf collected in November, and 1,2,6-tri-O-galloyl-β-D-glucose from the leaf in May. From HPLC analyses of leaf extracts collected from April to November, it was clear that the composition changes most rapidly in the spring. The seasonal changes in the structures and amounts of these hydrolysable tannins indicate a particular biogenetic pathway for these substances.

Original languageEnglish
Pages (from-to)2787-2789
Number of pages3
Issue number12
Publication statusPublished - 1986


  • Hamamelidaceae
  • Liquidambar formosana
  • biogenesis
  • ellagitannin
  • gallotannin
  • galloylglucose
  • hydrolysable tannin
  • seasonal change of structures.
  • tannin

ASJC Scopus subject areas

  • Biochemistry
  • Molecular Biology
  • Plant Science
  • Horticulture


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