Table 1.
Minimal inhibitory concentrations (MIC) and minimal bactericidal concentrations (MBC) of HST extract.
| Bacterial strain | MIC | MBC |
|---|---|---|
| (mg/mL) | (mg/mL) | |
| Gram-negative oral bacteria | ||
| Aggregatibacter actinomycetemcomitans Y4 | >10 | NT∗ |
| Campylobacter rectus ATCC33238 | >10 | NT∗ |
| Capnocytophaga ochracea ATCC27282 | >10 | NT∗ |
| Fusobacterium nucleatum ATCC25586 | 1.25 | 1.25 |
| Porphyromonas gingivalis ATCC33277 | 2.5 | 2.5 |
| Porphyromonas gingivalis 381 | 1.25 | 1.25 |
| Porphyromonas endodontalis ATCC35406 | <0.625 | <0.625 |
| Prevotella intermedia ATCC25611 | 2.5 | 2.5 |
| Prevotella melaninogenica ATCC25845 | 2.5 | 2.5 |
| Tannerella forsythia ATCC43037 | 5.0 | ND∗∗ |
| Treponema denticola ATCC35405 | 5.0 | ND∗∗ |
| Veillonella parvula ATCC17745 | >10 | NT∗ |
| Gram-negative bacteria | ||
| Bacteroides thetaiotaomicron JCM5827 | >10 | NT∗ |
| Campylobacter jejuni ATCC29428 | 10 | 10 |
| Escherichia coli K12 | >10 | NT∗ |
| Porphyromonas asaccharolytica JCM6326 | 2.5 | 2.5 |
| Gram-positive oral bacteria | ||
| Actinomyces viscosus ATCC19246 | >10 | NT∗ |
| Enterococcus faecalis 4532D | >10 | NT∗ |
| Lactobacillus casei JCM1133 | >10 | NT∗ |
| Streptococcus anginosus IS57 | >10 | NT∗ |
| Streptococcus gordonii ATCC10558 | >10 | NT∗ |
| Streptococcus mutans 109c | >10 | NT∗ |
| Streptococcus salivarius JCM5707 | >10 | NT∗ |
| Gram-positive bacteria | ||
| Bacillus subtilis ATCC9372 | >10 | NT∗ |
| Bifidobacterium longum JCM1222 | 10 | ND∗∗ |
| Staphylococcus aureus ATCC6738 | >10 | NT∗ |
| Streptococcus pyogenes ATCC12348 | >10 | NT∗ |
| Fungus | ||
| Candida albicans JCM2085 | >10 | NT∗ |
NT∗: not tested; ND∗∗: not detected.