Abstract:
:A new monodesmosidic spirostanol saponin, along with three known saponins was isolated from Agave macroacantha Zucc leaves. The structure of the new saponin was established as hecogenin-3-O-alpha-L-rhamnopyranosyl (1-->4) beta-D-xylopyranosyl (1-->3)[beta-D-glucopyranosyl (1-->2)] beta-D-glucopyranosyl (1-->4) beta-D-galactopyranoside. The (1)H and (13)C resonances of the four compounds were assigned using a combination of 1D and 2D NMR techniques including (1)H, (13)C, COSY, TOCSY, ROESY, HSQC and HMBC NMR and confirmed by mass spectrometry.
journal_name
Fitoterapiajournal_title
Fitoterapiaauthors
Eskander J,Lavaud C,Harakat Ddoi
10.1016/j.fitote.2009.11.002subject
Has Abstractpub_date
2010-07-01 00:00:00pages
371-4issue
5eissn
0367-326Xissn
1873-6971pii
S0367-326X(09)00257-3journal_volume
81pub_type
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