Fig. 3. Scanning electron microscopy analysis of S. aureus ATCC 12692 treated with cell-free supernatant (CFS) of S. cerevisiae KU200278 on glass coupons (× 10,000 magnification).

(A-C) Biofilm inhibition; (A) control; (B) treatment with grapefruit seed extract (GSE) at 1/2 × minimum inhibitory concentration (MIC); (C) CFS treatment; (a-c), biofilm degradation; (a) control; (b) treatment with GSE at 1/2 × MIC; (c) CFS treatment.