Anti-respiratory syncytial virus (RSV) activity of timosaponin A-III from the rhizomes of Anemarrhena asphodeloides

Ui Joung Youn, Ji Eun Jang, Joo Won Nam, Yoo Jin Lee, Young Min Son, Hyun Ji Shin, Ah Reum Han, Jun Chang, Eun Kyoung Seo

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12 Scopus citations

Abstract

Two known steroidal saponins, timosaponin A-III (1) and anemarsaponin B (2) were isolated from the BuOH fraction of the rhizomes of Anemarrhena asphodeloides Bunge (Liliaceae) together with the xanthone derivatives, mangiferin (3) and neomangiferin (4). Structures of the isolates were identified using 1D and 2D NMR techniques and by comparison with the published values. Timosaponin A-III (1) exhibited potent inhibitory effects on the respiratory syncytial virus (RSV), with an IC 50 value of 1.00 μM.

Original languageEnglish
Pages (from-to)1062-1065
Number of pages4
JournalJournal of Medicinal Plants Research
Volume5
Issue number7
StatePublished - 4 Apr 2011

Keywords

  • Anemarrhena asphodeloides
  • Liliaceae
  • Respiratory syncytial virus (RSV)
  • Timosaponin A-III

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