1995Annales de Limnologie - International Journal of LimnologyOpen access

Cyclamin, a new Molluscicide from the tubers ofCyclamen purpurascensMill. tested against the snailBiomphalaria glabrata(Say)

O. Winder, C. Friedrich, N. D. Jumbam, H. Griengl, Theodor Kartnig

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Abstract

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.

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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.

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Available abstract

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.

Key concepts: Biomphalaria glabrata, Molluscicide, Snail, Potency, Biology, Schistosomiasis, Saponin, Biomphalaria

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