Antiviral Chinese medicinal herbs against respiratory syncytial virus

Shuang Cheng Ma, Jiang Du, Paul Pui Hay But, Xue Long Deng, Yong Wen Zhang, Vincent Eng Choon Ooi, Hong Xi Xu, Spencer Hon Sun Lee, Song Fong Lee

Research output: Contribution to journalArticlepeer-review

271 Citations (Scopus)

Abstract

Forty-four medicinal herbs were tested for antiviral activities against respiratory syncytial virus (RSV) by means of the cytopathologic effect (CPE) assay. Twenty-seven of the 44 medicinal herbs showed potent or moderate antiviral activities against RSV with 50% inhibition concentration (IC50) ranging from 6.3 to 52.1 μg/ml, and with selectivity index (SI) ranging from 2.0 to 32.1. Further purification of the active extracts from Sophora flavescens Ait. and Scutellaria baicalensis Georgi led to the identification of anagyrine (2), oxymatrine (7), sophoranol (10), wogonin (12), and oroxylin A (13) as the potent anti-RSV components.

Original languageEnglish
Pages (from-to)205-211
Number of pages7
JournalJournal of Ethnopharmacology
Volume79
Issue number2
DOIs
Publication statusPublished - 2002

Bibliographical note

Funding Information:
Partial support was received from Industrial Support Fund (AF/281/97) and Research Grants Council (CUHK 4171/99M). Technical assistance from Hua WANG is deeply appreciated.

ASJC Scopus Subject Areas

  • Pharmacology
  • Drug Discovery

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