Determination of the In Vitro and In Vivo Antimicrobial Activity on Salivary Streptococci and Lactobacilli and Chemical Characterisation of the Phenolic Content of a Plantago lanceolata Infusion

Table 3

In vitro antimicrobial activity of P. lanceolata, expressed in terms of minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC).

Species	MIC90; (mg/mL)	MBC; (mg/mL)
Streptococcus bovis	0.50	1
Streptococcus mitis	0.25	0.50
Streptococcus mutans	0.50	1
Streptococcus sobrinus	0.50	1
Streptococcus parasanguinis	1	2
Streptococcus viridans	0.50	0.50
Lactobacillus casei	0.75	2