Issue |
Ann. Limnol. - Int. J. Lim.
Volume 31, Number 4, December 1995
|
|
---|---|---|
Page(s) | 229 - 232 | |
DOI | https://doi.org/10.1051/limn/1995020 | |
Published online | 15 March 2009 |
Cyclamin, a new Molluscicide from the tubers of Cyclamen purpurascens Mill. tested against the snail Biomphalaria glabrata (Say)
Cyclamine, un mollusquicide nouveau isolé des tubercules de Cyclamen purpurascens Mill., testé contre l'escargot Biomphalaria glabrata (Say)
1
Institut für Organische Chemie der Technischen Universität Graz, Stremayrgasse 16, A-8010 Graz, Austria
2
Institut für Pharmakognosie der Karl-Franzens-Universität Graz, Universitätsplatz 4, A-8010 Graz, Austria
Cyclamin, a monodesmosidic triterpenoid saponin isolated from the tubers of Cyclamen purpurascens Mill. was found to possess molluscicidal activity against the schistosomiasis-transmitting snail Biomphalaria glabrata (Say). The lowest concentration showing 100 % mortality to snails was 21 mg/l. The haemolytic activity and the molluscicidal potency of cyclamin were compared with those of primulic acid with the result that high haemolytic activity will not automatically imply a strong molluscicidal potency.
Résumé
La cyclamine, une saponine monodesmosidique et triterpénoïde isolé des tubercules de Cyclamen purpurascens Mill., a fait preuve d'une activité mollusquicide contre Biomphalaria glabrata (Say), un hôte intermédiaire de Schistosoma sp. La plus petite concentration causant une mortalité de 100 % était 21 mg/l. L'activité hémolytique et l'activité mollusquicide de la cyclamine étaient comparées aux résultats correspondants de l'acide primulique. Il s'est avéré qu'une grande valeur de l'activité hémolytique n'implique pas forcément une forte activité mollusquicide.
Key words: biomphalaria glabrata / cyclamen purpurascens / cyclamin / molluscicide / saponin / schistosomiasis
Mots clés : biomphalaria glabrata / cyclamen purpurascens / cyclamine / mollusquicide / saponine / schistosomiase
© Gauthier-Villars, 1995
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