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A new saponin lactone from Astragalus corniculatus
Ilina Krasteva1, Stefan Nikolov, Maki Kaloga
1Faculty of Pharmacy, Department of Pharmacognosy, Sofia 1000, Bulgaria. ikrasteva@pharmfac.acad.bg
Natural Product Research
|August 8, 2007
Abstract:
A new oleanane-type saponin lactone was isolated from the ethanolic extract of the aerial parts of Astragalus corniculatus Bieb. The structure of the saponin was elucidated as 19-hydroxyolean-12-ene-28, 21beta-olide 3beta-D-xylopyranoside (1) by chemical and spectral methods.