Antibacterial Activity of Biosecur® Citrus Extract Surface Cleaner Against Vibrio Vulnificus

Jiemin Cormier, Ronson Scott, Marlene Janes*
Department of Food Science, Louisiana State University Agricultural Center, 111 Food Science Building, Baton Rouge, Louisiana, USA

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© Cormier et al.; Licensee Bentham Open.

open-access license: This is an open access article licensed under the terms of the Creative Commons Attribution Non-Commercial License ( which permits unrestricted, non-commercial use, distribution and reproduction in any medium, provided the work is properly cited.

* Address correspondence to this author at the Department of Food Science, Louisiana State University Agricultural Center, 111 Food Science Bldg,Baton Rouge, LA, USA; Tel: +1 225 342 5812; Fax: +1 225 578 5300; E-mail:


This study evaluated the antibacterial activity of Biosecur® citrus extract surface cleaner against Vibrio vulnificus using plate count method. Two concentrations, 0.5% and 2% of Biosecur® surface cleaner were plated on Vibrio vulnificus Agar (VVA) and tested for reduction of Vibrio vulnificus. In order to investigate the lasting residual activity of Biosecur®, antibacterial activity tests were also performed at time intervals up to 2.5 h after Biosecur® was plated on VVA. Biosecur® showed 6-log reduction of Vibrio vulnificus at 2%, and 3-log reduction of Vibrio vulnificus at 0.5%. The antibacterial activity of 2% Biosecur® against Vibrio vulnificus was shown to be equivalent to that of tetracycline. The residual activity of 2% Biosecur® was shown to maintain for at least 2.5 h after application. This study confirmed the high activity and long lasting residual effect of a safe, non-toxic organic food grade surface cleaner.

Keywords: Antibacterial activity, citrus extract, residual activity, surface cleaner, Vibrio vulnificus.