Chemical composition of Pistacia vera L. oleoresin and its antibacterial, anti-virulence and anti-biofilm activities against oral streptococci, including Streptococcus mutans.

•First chemical characterization of the oleoresin of P. vera L.•First study on antimicrobial properties of P. vera L. oleoresin.•P. vera L. oleoresin shows strong anti-virulence properties against S. mutans.•P. vera L. oleoresin reducing S. mutans’s ability to form biofilm.•Potential use for the P. vera L. oleoresin in oral hygiene.