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Keywords:

  • maltol (3-HO-2-methyl-4H-pyran-4-one);
  • maltol glucoside;
  • volatile;
  • flavour;
  • Cercidiphyllum japonicum

Abstract

Maltol concentrations in leaves of Cercidiphyllum japonicum were quantitatively monitored during a 1 year period and were found to peak in senescent leaves. An immediately preceding peak of a bound form of maltol was isolated and identified as maltol glucoside using HPLC, HRGC, and coupled HRGC-MS.