Four saponins have been isolated from the herbal parts of Bellis sylvestris and the same, together with three further compounds, from the underground parts. The structures were elucidated by electrospray ionization mass spectrometry, including tandem mass spectrometry, and by 1D and 2D homonuclear and heteronuclear NMR spectroscopy. Two of the compounds are new saponins with the structures 3-O-beta-D-glucopyranosyl-2 beta, 3 beta, 23-trihydroxyolean-12-en-28-oic acid 28-O-beta-D-glucopyranosyl (1-->3)-[alpha-L-rhamnopyranosyl (1-->2)]-beta-D- glucopyranoside and 3-O-beta-D-glucopyranosyl-2 beta, 3 beta,16 alpha, 23-tetrahydroxyolean-12-en- 28-oic acid 28-O-alpha-L-rhamnopyranosyl (1-->3)-beta-D-xylopyranosyl(1-->4)-alpha-L- rhamnopyranosyl(1-->2)-[(E)-2-butenoic acid (1-->3)]-beta-D-fucopyranoside. Taxonomically these data provide significant evidence of a link between the Bellis genus and Bellium bellidioides.
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