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Journal Article

Release and ecological impact of algicidal hydrolysable polyphenols in Myriophyllum spicatum

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Gross,  Elisabeth M.
Department Ecophysiology, Max Planck Institute for Limnology, Max Planck Institute for Evolutionary Biology, Max Planck Society;

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Citation

Gross, E. M., Meyer, H., & Schilling, G. (1996). Release and ecological impact of algicidal hydrolysable polyphenols in Myriophyllum spicatum. Phytochemistry, 41(1), 133-138.


Cite as: https://hdl.handle.net/11858/00-001M-0000-000F-E2DA-7
Abstract
Aqueous acetone extracts of shoots of Eurasian watermilfoil (Myriophyllum spicatum) exhibit a strong inhibitory action against various coccoid and filamentous cyanobacteria and to a slightly less extent against chlorophytes and diatoms. Bioassay-directed fractionation led to the isolation of a hydrolysable polyphenol, tellimagrandin II, which turned out to be the main inhibitory substance. Myriophyllum spicatum contains large amounts of this compound (1.5 % of dry wt). Part of the inhibitory activity is due to complexation and inactivation of algal extracellular enzymes (e.g. alkaline phosphatase) by hydrolysable polyphenols from M. spicatum