Advanced Journal of Microbiology Research
Advanced Journal of Microbiology Research ISSN 2736-1756 Vol. 15 (1), pp. 001-007, January, 2021. © International Scholars Journals
Full Length Research Paper
Identification of a potent antiviral terpenes and coumarins from Tunisian caprifig latex, Jrani variety
Houda LAZREG AREF1*, Mahjoub AOUNI2, Jean Pierre CHAUMON3, Khaled SAID1 and Abdelwaheb FEKIH4
1Laboratoire de Génétique, Biodiversité et Valorisation des Bio ressources (UR 03ES09), Institut Supérieur de Biotechnologie, 5000 Monastir, Tunisie.
2Laboratoire des Maladies Transmissibles et Substances Biologiquement Actives, Faculté de Pharmacie 5000 Monastir, Tunisie.
3Laboratoire de Botanique et cryptogamie, Faculté de Pharmacie Besançon 25000 cedex, France.
4Laboratoire de Chimie, 03/UR/1202, Faculté de Médecine Dentaire, 5000 Monastir, Tunisie.
Accepted 19 November, 2020
The aim of this study was to search for new antiviral agents from Tunisian Jrani caprifig latex (Ficus carica L., Moraceae). Terpenes and coumarins were identified by gas chromatography–mass spectrometry (GC-MS) analysis in hexane and hexane ethyl-acetate (1:1, v/v) extracts, and used in experiments to test their influence on a series of viruses, namely Herpes simplex (HSV-1), Adenovirus (ADV) and Echovirus type 11 (ECV-11). To evaluate the capacity of the extracts inhibition of viruses replication cycles by preventing their adsorption and their penetrations in the cells (by interaction with the cellular receivers designed for these viruses) or by inhibition of their intracellular replication or by virus inhibition after a direct contact under microscopic observation of cytopathic effect (CPE). Extracts inhibited virus multiplication in tested techniques at the concentrations of 19.5 and 39 µg/ml, respectively. All extracts had no cytotoxic effect on Vero cells at all tested concentrations. In conclusion, some compounds of Jrani latex which possess antiviral activities may be due to the high level of Triterpens. Their mode of action against the tested viruses was found to be at all stages of multiplication, suggesting the potential use of this compound for treatment of the infection caused by these viruses.
Key words: Ficus carica, caprifig, latex, HSV-1, HSV-2, ECV-11, ADV, coumarins, terpens.
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