Abstract
Abstracts Objective To study the chemical constituents in the effective fractions of charred Sanguisorbae Radix. Methods The compounds were isolated and purified by column chromatography and their structures were identified on the basis of physicochemical properties and spectral analysis. Results Five compounds were isolated and identified as 3β-hydroxy-28-norurs-17,19,21-trien (1), 3β-hydroxy-28-norurs-12,17-dien (2), 3β,19α-dihydroxyurs-13(18)-en-28-oic acid (3), 3β-[(α-L-arabin-opyranosyl) oxy]-28-norurs-12,17-dien (4), and pomolic acid (5). Conclusion Compounds 1, 3, and 4 are novel compounds belong to triterpenoids and triterpenoid saponins, named as sanguisorbigenins Z, Y1, and Y2, respectively.
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