Triterpenoid saponins from Piptadeniastrum africanum (Hook. f.) Brenan

Olivier Placide Noté, Azefack Léon Tapondjou, Anne Claire Mitaine-Offer, Tomofumi Miyamoto, Dieudonné Emmanuel Pegnyemb, Marie Aleth Lacaille-Dubois

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Abstract

One new triterpenoid saponin, named piptadeniaoside (1), along with two known saponins (2-3) have been isolated from the stem bark of Piptadeniastrum africanum. After previous isolation of flavone derivatives from this plant, new phytochemical investigations were performed for its saponin content. Their structures were established by direct interpretation of their spectral data, mainly HRESIMS, 1D NMR ( 1 H, 13 C NMR, DEPT) and 2D NMR (COSY, NOESY, HSQC and HMBC), and by comparison with the literature data.

Original languageEnglish
Pages (from-to)505-510
Number of pages6
JournalPhytochemistry Letters
Volume6
Issue number4
DOIs
Publication statusPublished - Oct 1 2013

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All Science Journal Classification (ASJC) codes

  • Biotechnology
  • Biochemistry
  • Agronomy and Crop Science
  • Plant Science

Cite this

Noté, O. P., Tapondjou, A. L., Mitaine-Offer, A. C., Miyamoto, T., Pegnyemb, D. E., & Lacaille-Dubois, M. A. (2013). Triterpenoid saponins from Piptadeniastrum africanum (Hook. f.) Brenan. Phytochemistry Letters, 6(4), 505-510. https://doi.org/10.1016/j.phytol.2013.06.006