Evaluación de la eficiencia bactericida de los extractos vegetales de Salvia Rosmarinus Schleid. (romero) Y Urtica urens L. (ortiga negra) en la práctica de desinfección

Abstract

The lack of new sustainable treatments capable of reducing contamination levels in a medium such as water or any surface, has led to an increase in the use of new products that have resulted in the creation of emerging contaminants. The use of these disinfection products is not even effective in treating pathogenic microorganisms that cause health problems such as fecal coliforms. San Vicente de Lacas plant has a high level of this type of microorganisms, which makes it the focus of the study to promote an attempt at treatment. Therefore, the objective of this research is to evaluate the efficiency of plant metabolites of Salvia rosmarinus Schleid (rosemary) and Urtica urens L. (Black Nettle) has possible treatments for the removal of pathogenic microorganisms in the practice of disinfection. The methodology implemented is qualitative and quantitative with an experimental design with management of variables and samples contaminated with pathogenic microorganisms. Laboratory techniques of maceration, Rota evaporation, identification of metabolites using phytochemical screening, microfiltration, and antibiograms were applied to measure the inhibition halos generated by the extracts obtained from the plants. In this way, it was obtained that the rosemary extract was more efficient with an average inhibition halo of 0.40 cm compared to 0.26 cm for the nettle extract. Thus, it is considered that the rosemary extract is a sensitive treatment for pathogenic microorganisms present in a contaminated medium.