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Related Experiment Videos

[Structure identification of jujuboside E].

Yan-jing Bai1, Gong Cheng, Jing Tao

  • 1Division of Natural Medical Chemistry, School of Pharmaceutical Sciences, Peking University, Beijing 100083, China.

Yao Xue Xue Bao = Acta Pharmaceutica Sinica
|March 26, 2004
PubMed
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This study isolated seven compounds from Ziziphus jujuba seeds, including a new compound, jujuboside E. Stearic acid, sucrose, and inosine were identified for the first time in this plant.

Area of Science:

  • Phytochemistry
  • Natural Product Chemistry
  • Pharmacognosy

Context:

  • Ziziphus jujuba Mill var. spinosa (Bunge) Hu ex. H.F. Chou., commonly known as the Chinese wild date or sour date, is a plant species with a long history of use in traditional medicine.
  • The seeds of Ziziphus jujuba are known to possess various pharmacological properties, but their detailed chemical composition remains incompletely elucidated.

Purpose:

  • To conduct a comprehensive phytochemical investigation of the seeds of Ziziphus jujuba Mill var. spinosa.
  • To isolate and characterize the chemical constituents present in the seeds using advanced separation and spectroscopic techniques.

Summary:

  • Seven compounds were successfully isolated from the Ziziphus jujuba seeds.
  • The identified compounds include jujuboside E (a novel compound), jujuboside B, jujuboside A, betulic acid, stearic acid, sucrose, and inosine.

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  • The structures of these compounds were rigorously determined through extensive spectral analysis.

    • Impact:

    • This research contributes to the understanding of the phytochemical profile of Ziziphus jujuba seeds.
    • The identification of jujuboside E as a new compound expands the known chemical diversity of this plant genus.
    • The first-time isolation of stearic acid, sucrose, and inosine from this specific plant provides valuable chemotaxonomic data and may offer insights into its medicinal applications.