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Arch Pharm Res. 2013 Jun;36(6):715-22. doi: 10.1007/s12272-013-0075-9. Epub 2013 Mar 8.

A new anti-inflammatory triterpene saponin isolated from Anabasis setifera.

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  • 1Medicinal Chemistry Department, Theodor Bilharz Research Institute (TBRI), Giza 12411, Egypt.


A bio-guided fractionation of Anabasis setifera Moq. (Chenopodiaceae) for anti-inflammatory activity was carried out using carrageenin rat paw edema model in rats. On the basis of percent edema inhibition after 3 h of carrageenin injection, n-butanol fraction showed promising activity through a significant (p < 0.05) decrease in paw volume by 85.6 % from control using indomethacin as reference standard. Moreover, the n-butanol fraction significantly (p < 0.05) decreased PGE2 and TNF-α in the exudates of rat paw edema. Chemical investigation of n-butanol fraction afforded α-amyrin 3-O-glucopyranoside (1), patuletin 7-O-glucopyranoside (2), myricitrin (3) and a new oleanane triterpene saponin derivative (4), sophradiol 3-O-α-L-(1)C4-rhamnopyranosyl-(1'''→4'')-O-β-D-(4)C1-galactopyranosyl (1''→6')-O-β-D-(4)C1-glucopyranoside. The structure of the new compound was determined by comprehensive analyses of their 1D and 2D NMR, mass spectral data and comparison with previously known analogs. Only compound 4 revealed a significant (p < 0.05) inhibition of cyclooxygenase 1 and 2 (COX) activities.

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