Synergistic Antibacterial Effect of Ethyl Acetate Fraction of Vernonia amygdalina Delile Leaves with Tetracycline against Clinical Isolate Methicillin-Resistant Staphylococcus aureus (MRSA) and Pseudomonas aeruginosa

Figure 6

The golden-yellow color of staphyloxanthin production at (a) 125 μg/mL concentration; (b) 62.5 μg/mL concentration; (c) 31.25 μg/mL concentration; (d) 15.625 μg/mL concentration; and (e) negative control.

(a)

(b)

(c)

(d)

(e)