Structure identification of jujuboside E
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Abstract
AimTo study the chemical constituents of the seeds of Ziziphus jujuba Mill var. spinosa (Bunge) Hu ex. H.F. Chou. MethodsTo separate the constituents by using various kinds of chromatography methods and identify their structures on the basis of spectral analysis. ResultsSeven compounds were isolated. Their structures were established as jujuboside E (1), jujuboside B (2), jujuboside A (3), betulic acid (4), stearic acid (5), sucrose (6) and inosine (7). ConclusionCompound 1 is a new compound named jujuboside E. Compounds 5, 6, 7
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