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Antiviral furanosesquiterpenes from Commiphora erythraea
Elio Cenci1, Federica Messina, Elisabetta Rossi
1Dipartimento di Medicina Sperimentale e Scienze Biochimiche- Sez. Microbiologia, Università degli Studi di Perugia, via del Giochetto, 06122 Perugia, Italy.
Abstract:
The crude methanolic extract obtained from C. erythraea resin was chromatographed on silica gel with solvent of increasing polarity. The extract and fractions were evaluated for cytotoxicity and antiviral activity [parainfluenza type 3 virus (PIV3)] by plaque forming units (PFU) reduction assay using HEp-2 cells (human larynx epidermoid carcinoma cell line). From the active fraction, five compounds were isolated and tested. Only two of these showed anti-PIV3 activity with a selectivity index (SI) of 66.6 and 17.5, respectively. Both the compounds are furanosesquiterpenoids.
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