Plicataloside in Aloe - A chemotaxonomic appraisal

Alvaro M. Viljoen, Ben Erik Van Wyk, Len E. Newton

Research output: Contribution to journalArticlepeer-review

19 Citations (Scopus)

Abstract

In a chemotaxonomic survey of 380 taxa of Aloe, 20 species were found to contain the naphthalene derivative plicataloside as the major phenolic in the leaf exudate. Most of these species are restricted to East Africa (Kenya, Uganda and Tanzania). Only three species (A. chabaudii, A. palmiformis, A. plicatilis) in southern Africa contained this compound while the Malagasy endemics studied were found to be devoid of plicataloside. Macromorphology of the species was examined to search for other characters common to the species, and taxonomic affinities are assessed. Previous studies have suggested some of the taxa defined by this unique chemical compound to be taxonomically related, while many of the taxa have not previously been associated together.

Original languageEnglish
Pages (from-to)507-517
Number of pages11
JournalBiochemical Systematics and Ecology
Volume27
Issue number5
DOIs
Publication statusPublished - Jul 1999

Keywords

  • Aloaceae
  • Aloe
  • Chemotaxonomy
  • Plicataloside

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Biochemistry

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