Table 1.

Minimum inhibitory concentrations of Saussurea costus and Melaleuca alternifolia in relation to their bactericidal efficacy.

Bacterial strain	Porphyromonas gingivalis	Enterococcus faecalis	Streptococcus mutans
Saussurea costus	56.2 ± 9.6 g/ml*	56.6 ± 7.6 g/ml*	80.5 ± 10.2 g/ml*
Melaleuca alternifolia	29.5 ± 1.6 g/ml	13.5 ± 2.5 g/ml†	15.5 ± 3.7 g/ml†

^*Compared with the same bacterial strain treated with M. alternifolia (P < 0.001).

^†Compared with P-gingivalis strain treated with M. alternifolia (P < 0.01).