Fig. 4

Optical density (OD670) of the N. oleoabundans on day 15 of cultivation in BBM (100 %). a Response surface and b contour curve showing the interactions between the concentrations (g L−1) of the acetate sodium and glucose
Optical density (OD670) of the N. oleoabundans on day 15 of cultivation in BBM (100 %). a Response surface and b contour curve showing the interactions between the concentrations (g L−1) of the acetate sodium and glucose