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Braz J Biol ; 82: e251140, 2023.
Artigo em Inglês | MEDLINE | ID: mdl-36651457


Staphylococcus spp. represents the main mastitis agents in ruminants and contaminants of milk due to their expressive capacity to make biofilms. The aims in this study was evaluate evaluated the antimicrobial activity of Mauritia flexuosa L. extracts against Staphylococcus spp. adhered to a stainless steel surface. Two isolates from cows with clinical mastitis were evaluated; one was identified as Staphylococcus aureus, and the other Staphylococcus haemolyticus. Additionally the ATCC 25923 strain, S. aureus from human was evaluated. The chemical profile obtained from gas chromatography revealed the presence of carbohydrates, organic acids, and flavonoids. The minimum bactericidal concentrations of the ethanolic extract (EE) and aqueous extract (AE) were 4.4 and 5.82 mg/mL, respectively. After EE treatment at 4.4 mg/mL for 2.5 min, total removal of mature biofilms grown on stainless steel coupons was observed (reduction by 3.85-4.81 log units). This extract from M. flexuosa shows potential as an effective sanitizer and may represent a natural alternative against Staphylococcus spp.

Infecções Estafilocócicas , Staphylococcus aureus , Feminino , Humanos , Bovinos , Animais , Staphylococcus haemolyticus , Aço Inoxidável/farmacologia , Staphylococcus , Infecções Estafilocócicas/tratamento farmacológico , Biofilmes , Extratos Vegetais/farmacologia