Cultivars Ripening stages Extracts MIC (mg/ml)
Staph. saprophyticusATCC 15305
Khulase Biser Ethanol 10
  Rutab Ethanol 5
  Tamer Ethanol 10
    Water 10
Sheshi Biser Ethanol 5
    Water 10
  Rutab Ethanol 5
  Tamer Ethanol 5
    Water 5
Rezaz Biser Ethanol 3.75
    Water 10
Table 4: Minimal inhibitory concentration (MIC) of most effective date cultivars
extracts at various ripening stages against Staph. saprophyticus ATCC 15305.