Original ResearchPublished 14 September 2026Phytochemical characterization and evaluation of antimicrobial activity of Eugenia sp.: antibacterial, antibiofilm and ampicillin-potentiating activities against resistant Staphylococcus aureus and Staphylococcus epidermidisPatryne Luana da Silva Dantas · Leticia Bachmann · Alysson Camilla Blaese Gramkov · Thaynara Reichert · Nicole Prada Zibell · Maressa Danielli Dolzan · Matheus Santos Lourenço · Saulo Relison Tintino · Tatiani Karini Rensi Botelho · Diogo Alexandre Siebert · Luciano Vitali · Cícera Datiane de Morais Oliveira-Tintino · Isabel Daufenback Machado · Michele Debiasi AlbertonFrontiers in Natural Productsdoi 10.3389/fntpr.2026.1920078