Chemical composition and anti-biofilm activity of essential oil from Citrus medica L. var. sarcodactylis Swingle against Listeria monocytogenes

•The chemical composition of Fingered Citron essential oil was investigated by GC-MS.•Fingered Citron essential oil significantly inhibited the biofilm formation of L. monocytogenes•Fingered Citron essential oil significantly destroyed the preformed L. monocytogenes biofilm.•Fingered Citron essential oil increased the metabolic activity of L. monocytogenes biofilm.•Fingered Citron essential oil changed the architecture of L. monocytogenes biofilm.