Fig. 4

Turbidity tests of AOBs at 600 nm. The measurements were conducted at room temperature and pH 7.5 unless mentioned. The constituted oil bodies were exposed to A salt concentrations (50–300 mM) for 15 min, B temperature and surfactants for 24 h and C 0.1 M monovalent (NaCl and KCl) and divalent (MgCl₂, CaCl₂, and ZnSO₄) salts for 24 h at 4 °C and 25 °C