Journal of Dali University ›› 2021, Vol. 6 ›› Issue (4): 1-3.

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Chemical Constituents of Aerial Parts of Ternstroemia gymnanthera

 Liu Ming, Li Huaxuan, Shen Yi, Xiao Chaojiang, Jiang Bei    

  1. (1. Institute of Materia Medica, Dali University, Dali, Yunnan 671000, China; 2. College of Pharmacy, Dali University,
    Dali, Yunnan 671000, China)
  • Received:2020-11-12 Revised:2020-12-22 Online:2021-04-15 Published:2021-05-19

Abstract: 〔Abstract〕Objective: To study the chemical constituents of aerial parts of Ternstroemia gymnanthera(wight et Arn.)Beddome.
Methods: The chemical constituents of T. gymnanthera were isolated and purified by column chromatography padded with silica gel
and Sephadex LH-20. The structures of the compounds were identified based on the comprehensive analyses of the physicochemical
properties and modern spectral analysis techniques. Results: Five compounds were obtained from ethyl acetate part of 95% ethanol
extract of aerial parts of T. gymnanthera and identified as betulinic acid(1), 3-epiursolic acid(2), ursonic acid(3), α-spinasterol-
β-D-glucopyranoside(4), and butyl-2-(3, 4-dihydroxyphenyl)acetate(5). Conclusion: Compounds 2, 3 and 5 were isolated from
the genus Ternstroemia for the first time.

Key words: 〔Key words〕Ternstroemia gymnanthera, aerial parts, chemical constituents, triterpenoids

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