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. 1995 Dec;40(6):1755-60.
doi: 10.1016/0031-9422(95)00544-h.

Cycloartane triterpene glycosides from Astragalus trigonus

P Gariboldi  1 , F Pelizzoni, M Tatò, L Verotta, N el-Sebakhy, A M Asaad, R M Abdallah, S M Toaima
Affiliations

Cycloartane triterpene glycosides from Astragalus trigonus

P Gariboldi et al. Phytochemistry. 1995 Dec.

Abstract

Three new cycloartane glycosides, trigonoside I, II and III, and the known astragalosides I and II were isolated from the roots of Astragalus trigonus. The structures of the new glycosides were totally elucidated by high field (600 MHz) NMR analyses as cycloastragenol-6-O-beta-xylopyranoside, cycloastragenol-3-O-[alpha-L-arabinopyranosyl(1-->2)-beta-D- xylopyranosyl]- 6-O-beta-D-xylopyranoside and cycloastragenol-3-O-[alpha-L-arabinopyranosyl (1-->2)-beta-D-(3-O-acetyl)-xylopyranosyl]-6-O-beta-D-xylopyranoside.

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