Fig. 5From: Chemical diversity in leaf and stem essential oils of Origanum vulgare L. and their effects on microbicidal activitiesGrowth inhibition of Gram-positive bacteria (M. luteus (a) and S. aureus (b)), as measured by the change in OD600 following treatment with different samples. Asterisk indicates the values that are significantly different from the control (p value < 0.005)Back to article page