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[Isolation and identification of triterpenoids from root of Achyranthes bidentata in Henan]
Shu-ping Jia1, Zhi-yong Yu, Zhi-fang Hao
1School of Chemistry and Chemical Engineering, Nanjing University, China.
Objective:
To investigate the triterpenoids from root of Achyranthes bidentata in Henan.
Method:
Sephadex, normal-and reversed-phase column chromatographies were applied for the isolation and purification. The structure determinations were performed by means of physiochemical properties, MS and NMR data analyses.
Result:
Seven compounds were isolated from the water soluble fraction in root of A. bidentata, and determined as achyranthoside A (1), achyranthoside E (2), momordin Ib (3), chikusetsusaponin IVa (4), chikusetsusaponin IVa methyl ester (5), chikusetsusaponin V (6), chikusetsusaponin V methyl ester (7).
Conclusion:
Compounds 1 and 2 were isolated from the natural resources for the first time.