Two Validated HPLC Methods for the Quantification of Alizarin and other Anthraquinones in Rubia tinctorum Cultivars

G.C.H. Derksen, G.P. Lelyveld, T.A. van Beek, A. Capelle, Æ. de Groot

Research output: Contribution to journalArticleAcademicpeer-review

36 Citations (Scopus)

Abstract

Direct and indirect HPLC-UV methods for the quantitative determination of anthraquinones in dried madder root have been developed, validated and compared. In the direct method, madder root was extracted twice with refluxing ethanol-water. This method allowed the determination of the two major native anthraquinone glycosides lucidin primeveroside and ruberythric acid. In the indirect extraction method, the anthraquinone glycosides were first converted into aglycones by endogenous enzymes and the aglycones were subsequently extracted with tetrahydroturan-water and then analysed. In this case the anthraquinones alizarin, purpurin and nordamnacanthal may be determined. The content of nordamnacanthal is proportional to the amount of lucidin primeveroside 14 originally present. The indirect extraction method is easier to apply. Different madder cultivars were screened for their anthraquinone content. Copyright (C) 2004 John Wiley Sons, Ltd.
Original languageEnglish
Pages (from-to)397-406
JournalPhytochemical Analysis
Volume15
Issue number6
DOIs
Publication statusPublished - 2004

Keywords

  • cell-suspension cultures
  • performance liquid-chromatography
  • madder root
  • morinda-citrifolia
  • quantitative-analysis
  • tissue-cultures
  • lucidin
  • hydroxyanthraquinones
  • growth
  • identification

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