Release and ecological impact of algicidal hydrolysable polyphenols in Myriophyllum spicatum

被引：224

作者：

Gross, EM

Meyer, H

Schilling, G

机构：

[1] MAX PLANCK INST LIMNOL,DEPT ECOPHYSIOL,D-24302 PLON,GERMANY

[2] GERMAN NATL CTR BIOTECHNOL,MOLEC STRUCT RES GRP,D-38124 BRAUNSCHWEIG,GERMANY

[3] UNIV HEIDELBERG,INST ORGAN CHEM,D-69120 HEIDELBERG,GERMANY

来源：

PHYTOCHEMISTRY | 1996年 / 41卷 / 01期

关键词：

Myriophyllum spicatum; haloragaceae; Eurasian watermilfoil; submerged macrophyte; plant defences; algicidal activity; allelopathy; hydrolysable polyphenol; tellimagrandin II; eugeniin;

D O I：

10.1016/0031-9422(95)00598-6

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

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.

引用

页码：133 / 138

页数：6

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