Planta Med 1990; 56(1): 115-118
DOI: 10.1055/s-2006-960900

© Georg Thieme Verlag Stuttgart · New York

Alkalische Spaltung polymerer Phenole aus Sargassum muticum und Pelvetia canaliculata 1

Alkaline Cleavage of Polymeric Phenols from Sargassum muticum and Pelvetia canaliculata 1 Ursula Wölwer-Rieck, Karl-Werner Glombitza
  • Institut für Pharmazeutische Biologie, Universität Bonn, Nußallee 6, D-5300 Bonn 1, Federal Republic of Germany
1 Mitteilung 40 aus der Reihe: Antibiotika aus Algen, Mitteilung 39, siehe Ref. (9)
Further Information

Publication History


Publication Date:
05 January 2007 (online)


Low-molecular phenolic cleavage products as well as dibenzofurans are obtained by treatment of polymeric polyphenols from Sargassum muticum and Pelvetia canaliculata (brown algae) with hot aqueous alkali. Similar degradation products were observed in the analogous treatment of model substances (1). Statements about certain structure elements of polymeric material can now be made from rules derived at that time. The polyphenol fraction from S. muticum seems to contain only phlorotannins of the fuhalol type and those from P. canaliculata, in addition to a large portion of non-cleavable substances, several compounds of the fucophlorethol type.