Abstract Title:

Influenza A (H(1)N(1)) Antiviral and Cytotoxic Agents from Ferula assa-foetida.

Abstract Source:

J Nat Prod. 2009 Sep;72(9):1568-72. PMID: 19691312

Abstract Author(s):

Chia-Lin Lee, Lien-Chai Chiang, Li-Hung Cheng, Chih-Chuang Liaw, Mohamed H Abd El-Razek, Fang-Rong Chang, Yang-Chang Wu


Two new sesquiterpene coumarins, designated 5'-acetoxy-8'-hydroxyumbelliprenin (1) and 10'R-acetoxy-11'-hydroxyumbelliprenin (2), and a new diterpene, 15-hydroxy-6-en-dehydroabietic acid (3), along with 27 known compounds, were isolated from a CHCl(3)-soluble extract of Ferula assa-foetida through bioassay-guided fractionation. The structures of the new metabolites 1-3 were identified by spectroscopic data interpretation and by the Mosher ester method. Compounds 4 and 6-13 showed greater potency against influenza A virus (H(1)N(1)) (IC(50) 0.26-0.86 microg/mL) than amantadine (IC(50) 0.92 microg/mL), and 11 exhibited the best potency (IC(50) 0.51, 2.6, and 3.4 microg/mL) of these compounds against the HepG2, Hep3B, and MCF-7 cancer cell lines, respectively.

Study Type : In Vitro Study

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