Saponins from Cyclamen hederifolium and C. graecum

Abstract
The major saponin of Cyclamen hederifolium Aiton (C. neapolitanum Ten.) and C. graecum Link is shown to be cyclamin, which on hydrolysis yields cyciamiretins A, B, C and D. A second saponin ist also present which on hydrolysis gives the cyclamigenins. Examination for the first time of the NMR spectra of the cyciamiretins shows that cyclamiretin C is an internal hemiacetal.

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