Synergistic Antibacterial Effects of Polyphenolic Compounds from Olive Mill Wastewater

Table 3

MIC of the different combinations used against S. pyogenes, S. aureus, E. coli, and K. pneumoniae. Each well contains ~10⁵ cfu. The results were obtained after incubation at 37°C for 24 h.

	Strain
	E. coli	S. pyogenes	K. pneumoniae	S. aureus
Synergy (μg/mL)
AntiSolvent	400	50	200	200
Hydroxytyrosol	200	50	200	100
AntiSolvent	50	50	100	50
Gallic acid	100	100	100	100
Gallic acid	100	50	100	100
Hydroxytyrosol	200	100	50	50
Hydroxytyrosol	200	50	100	100
Ascorbic acid	100	100	200	100