Chemical Agent of Control: Assessment of Effect of Contact Time on Antimicrobial Activity of Alcohol Based Hand Sanitizers
https://doi.org/10.55989/OBLN2497
Autors: C. N. Anyanwu, M. U. Kalu, H. A. Ihejieto, M. I. Aigbe, Sydney Anuforo O.
Date: Jan 21, 2023
Edition: December 2022 Edition
Volume: 3
Issue: 2
Pages: 7 (215 - 221)
Abstract:
Antiseptic solutions used to minimize or remove bacteria or infectious agents on the hands are known as hand sanitizers. The influence of contact time on the antibacterial activity of hand sanitizers was investigated in this study. Standard laboratory techniques were used to evaluate five brands of hand sanitizers, designated as samples A, B, C, D, and E. Before applying the hand sanitizer, five human volunteers utilized the impression method to inoculate plates of various sterile culture media (control) and after 5 seconds, 1 minute, 5 minutes, 15 minutes, and 30 minutes intervals (tests) after application. Sample E had the least effective contact duration of one (1) minute, whereas sample D had the longest effective contact time of 15 minutes, according to the data. All the brands were effective against Enterococcus species. In general, there was a considerable decrease in the number of colonies detected before using the hand sanitizer within one minute of contact time. There was also a pattern where specific organisms were more vulnerable to one brand but not the other.
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