LAB population (log CFU/g) of black olives cv. Kalamata and green olives cv. Chalkidikis artificially inoculated with Escherichia coli O157 EDL-932 or Listeria monocytogenes Scott A after
storage for 7 days at 22 or 4 °C in sterile peptone saline solution (containing 0.1% w/v peptone and 0.85% w/v NaCl, pH 6.8) or distilled water. Olives were fermented by oleuropeinolytic
starter culture (OSC) in reduced salt brines for 90 days at 22 °C.