Limonoids from the seeds of Swietenia macrophylla and their anti-inflammatory activities

Li Chai Chen, Hsiang Ruei Liao, Pei Yu Chen, Wen Lung Kuo, Tsung Hsien Chang, Ping Jyun Sung, Zhi Hong Wen, Jih Jung Chen*

*Corresponding author for this work

Research output: Contribution to journalJournal Article peer-review

34 Scopus citations

Abstract

A new limonoid, swietemacrophin (1), was isolated from the seeds of Swietenia macrophylla, together with five known compounds 2-6. The structure of 1 was determined through extensive 1D/2D-NMR and mass-spectrometric analyses. Swietemacrophin (1), humilinolide F (2), 3,6-O,O-diacetylswietenolide (3), 3-O-tigloylswietenolide (4), and swietemahonin E (5) exhibited inhibition (IC50 values ≤ 45.44 μM) of superoxide anion generation by human neutrophils in response to formyl-L-methionyl-L-leucyl-L-phenylalanine (fMLP). Compounds 1, 4, 5, and swietenine (6) showed potent inhibition with IC50 values ≤ 36.32 μM, against lipopolysaccharide (LPS)-induced nitric oxide (NO) generation.

Original languageEnglish
Pages (from-to)18551-18564
Number of pages14
JournalMolecules
Volume20
Issue number10
DOIs
StatePublished - 12 10 2015

Bibliographical note

Publisher Copyright:
© 2015 by the authors; licensee MDPI, Basel, Switzerland.

Keywords

  • Anti-inflammatory activity
  • Limonoid
  • Meliaceae
  • Structure elucidation
  • Swietenia macrophylla

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