Müller, B. M. and Rosskopf, F. and Paper, D. H. and Kraus, J. and Franz, Gerhard (1991) Polysaccharide aus Nerium oleander: Struktur und biologische Aktivität [Polysaccharides from Nerium oleander: structure and biological activity]. Die Pharmazie 46 (9), pp. 657-663.
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A water extraction of crushed leaves of Nerium oleander yielded 2.3% of a crude polysaccharide. The main fraction (67%) represents a pectic polysaccharide mainly composed of galacturonic acid besides rhamnose, arabinose and galactose. The polysaccharide structure was characterized by NMR, mild acid- and pectinase treatment combined with GC-MS analyses. In vivo tests for a possible antitumor activity did not result in a significant action. Investigation of immunomodulating activity brought some indications for mitogenic activity and a weak macrophage-mediated cytotoxicity. Increase of phagocytosis could not be doubtlessly assigned to the polysaccharide due to the high amount of endotoxin in the homogenous fraction OLE 2.
|Institutions:||Chemistry and Pharmacy > Institute of Pharmacy > Retired Professors > Prof. Franz|
|Subjects:||500 Science > 540 Chemistry & allied sciences|
|Refereed:||Yes, this version has been refereed|
|Created at the University of Regensburg:||Unknown|
|Deposited On:||16 Nov 2011 10:19|
|Last Modified:||16 Nov 2011 10:19|
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