Atividade Antibacteriana de extrato aquoso da casca de Noz-Peça [Carya illinoinensis (Wangenh.) C. Koch]

Abstract

The increasing incidence of infectious diseases, caused by the emergence of multiresistant microorganisms to allopathic medications, induce researchers and health professionals to seek alternative antimicrobial therapies such as the use of plant extracts to reverse this situation. This study aimed to evaluate the antibacterial potential of the aqueous extract in four different concentrations of nut shells pecans [Carya illinoinensis (Wangenh.) C. Koch] against 2 gram positive bacterial strains and 3 gram-negative, since there are few studies as their antimicrobial activity. The gross plant extract of nut shells C. illinoensis was obtained and evaluated against microorganisms using the methods Determination of Minimum Inhibitory Concentration (MIC), Determination of Minimum Bactericidal Concentration (MBC) and Diffusion in Well (DP). It was found that the nut shell pecan extract showed bactericidal activity for all bacterial strains tested in concentrations of 15% (v/v) and 20% (v/v), an result was obtained exception of Staphylococcus aureus, which bacteriostatic effect was 15% (v/v). The potential of the aqueous extract in the treatment of infectious diseases is evident and encourages new studies that seek to test the properties of this natural innocuous and accessible with other microorganisms, as well as their possible mechanisms of action.