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Current Nanoscience


ISSN (Print): 1573-4137
ISSN (Online): 1875-6786

Anti-HSV-1 Activity of Glycyrrhizic Acid Nanoparticles Prepared by Supercritical Antisolvent Process

Author(s): Wei Wang, Yan-li Zhao, Xiu-hua Zhao, Yuan-gang Zu and Yu-jie Fu

Volume 11, Issue 3, 2015

Page: [366 - 370] Pages: 5

DOI: 10.2174/1573413711666150123230335

Price: $65


Glycyrrhizic acid (GA) is a triterpenoid saponin glycoside from licorice roots and rhizomes, having a variety of pharmacological activities, but its solubility in water is poor. In this study, we got GA nanoparticle suspensions about 180 nm by SAS (supercritical antisolvent) process. Comparative anti HSV-1 (herpes simplex virus type 1) studies were undertaken using nano-GA (glycyrrhizic acid nanoparticles) with its ammoniated salt--- MAG (glycyrrhizic acid ammonium salt). The maximum noncytotoxic concentration of both nano-GA and MAG were 187.5 μM for BHK cells. MTT assay showed GA nanoparticle suspensions exhibited better anti-HSV activities compared to MAG, especially during replication period. Morphology of HSV-1 observed by TEM (transmission electron microscopy) significantly changed with nano-GA treatment. TEM images showed that the envelope of HSV-1 was damaged and shedded.

Keywords: Glycyrrhizic acid, herpes simplex virus type 1, nanoparticle, supercritical antisolvent process.

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