Avaliação da eficácia de produtos saneantes comerciais com ação desinfetante

Abstract

As contagious diseases originating in micro-organisms spread among different populations, demonstrating recent global leadership, approaches to personal hygiene and the use of surface sanitising substances, become one of the main ways to combat the spread of various diseases. Among the sanitizing products, disinfectants deserve to be highlighted, these substances have a wide application in homes and, when effective, play a preventive role against pathological conditions originated by common bacteria. Considering the importance of disinfectants and the wide range of commercially available products, this study aims to analyze the antimicrobial activity of ten brands of commercial disinfectants with regard to their effectiveness, antimicrobial capacity of these products front strains of pathogenic microorganisms. In the tests of determination of antimicrobial activity, with incubation temperature at 35oC for 24h, The results show that no brand showed growth in contact times of 5 min, 10 min and 15 min, against Escherichia coli, Staphylococcus aureus, Salmonella enterica, Pseudomonas aeruginosa, when tested in disinfectants in its concentrated form. Microbial growth was only detected in the contact time 0 min, control plate made for all disinfectants tested, where it was inoculated with only 0.1 mL of inoculum, with absence of the concentrated disinfectant.