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 2

Results of the phytochemical analysis of the infusion of flowers, leaves, and roots of P. lanceolata.

Phytochemical	Flowers	Leaves	Roots
Flavonoids	+++	++	—
Coumarins	+	+	+
Lipids	—	—	+
Cinnamic acid content	++	+++	+
Lignans	—	—	—
Phenolic content	++	+++	+

Key: +++: high concentration, ++: medium concentration, +: low concentration, —: absent.