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Chemical Constituents of the Leaves of Cinnamomum insulari-montanum

  • C. Y. ChenEmail author
  • C. L. Lin
  • C. L. Kao
  • C. T. Chen
  • H. T. LiEmail author
Article
  • 5 Downloads

Cinnamomum insulari-montanum (Lauraceae) is an endemic tree that grows in Taiwan′s natural hardwood forests at elevations between 400 and 1500 m [1]. In the course of screening for biologically and chemically novel agents from Formosan Lauraceous plants [2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15], C. insulari-montanum was chosen for further phytochemical investigation. In this paper, we reinvestigated the constituents of the leaves of C. insulari-montanum. The MeOH extract of its stems was subjected to solvent partitioning and chromatographic separation to afford nine pure substances. The chemical constituents of the leaves of C. insulari-montanum were separated by column chromatography. A chemical investigation of the leaves of C. insulari-montanum afforded nine phytochemicals, including two butanolides, obtusilactone A (1) [13] and isoobtusilactone A (2) [13]; three lignans, (+)-sesamin (3) [12], (+)-diasesamin (4) [12], and (+)-episesamin (5) [12]; two steroids, β-sitostenone (

Notes

Acknowledgment

This investigation was supported by a Grant from the Yuan′s General Hospital and Fooyin University (AI-104052).

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© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  1. 1.School of Medical and Health SciencesFooyin UniversityKaohsiungTaiwan
  2. 2.Department of PharmacyFooyin University HospitalPingtung CountyTaiwan
  3. 3.Tzu Hui Institute of TechnologyPingtung CountyTaiwan
  4. 4.Department of Medical Sciences IndustryChang Jung Christian UniversityTainan CityTaiwan
  5. 5.Department of Medical Laboratory Science and BiotechnologyFooyin UniversityKaohsiungTaiwan

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