Characterization and potential oral probiotic properties of Lactobacillus plantarum FT 12 and Lactobacillus brevis FT 6 isolated from Malaysian fermented food

•Lactobacilli FT 12 and FT 6 possess probiotics properties.•Both probiotics exhibited antimicrobial activity against Porphyromonas gingivalis.•Lactobacilli FT 12 and FT6 reduced biofilm formation.•Lactobacilli FT 12 and FT 6 tolerated salivary amylase with viability > 50%.•Lactobacilli FT 12 and FT 6 have potential for supportive use in oral health therapy.