Figure 4.
qPCR determination of (A) RNAIII and (B) psmα gene expression inhibition by (left to right) carnosic acid (CA), carnosol (CS) and rosemary extract (C1) in an AD clinical strain of S. aureus. Bars represents mean of each group. *p < 0.05, by Mann–Whitney two-tailed t-test. n.s., not significant.