Constituents of Geranium thunbergII Sieb. et Zucc. VII. High-Performance reversed-phase liquid chromatography of hydrolysable tannins and related polyphenols

Takuo Okuda, Kazuko Mori, Kaoru Seno, Tsutomu Hatano

Research output: Contribution to journalArticlepeer-review

21 Citations (Scopus)

Abstract

Hydrolysable tannins in plants were analysed by reversed-phase high-performance liquid chromatography (HPLC) on a hydrocarbon polymer column. Geraniin, corilagin, mallotusinic acid, mallotinic acid, chebulinic acid and chebulagic acid were separated from each other, from polyphenols of lower molecular weight and also from flavonol glycosides. Variations in both the structure and amount of these ellagitannins and their hydrolysis products during extraction were also demonstrated by HPLC. Comparisons of the results of the quantitation of these tannins in plants with those obtained by relative astringency determination indicate that tannins in some plants can be represented by peaks in HPLC.

Original languageEnglish
Pages (from-to)313-320
Number of pages8
JournalJournal of Chromatography A
Volume171
Issue numberC
DOIs
Publication statusPublished - Apr 1 1979

ASJC Scopus subject areas

  • Analytical Chemistry
  • Biochemistry
  • Organic Chemistry

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