Inhibitory effects of 1-nonanol on the growth of S. aureus FDA209P. S. aureus FDA209P was inoculated into BHI broth medium that contained no 1-nonanol (○) or into broth that contained 1-nonanol at 5 (●), 10 (▲), 20 (■), 40 (◆), 80 (△) or 160 (□) μg mL-1, and then cell growth was monitored in terms of OD660.