Table 4.
Minimal inhibitory concentration and minimal bactericidal concentration of guava extracts on Porphyromonas gingivalis and Aggregatibacter actinomycetemcomitans
| MIC of guava on Porphyromonas gingivalis | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Guava (μL) | 500 | 250 | 125 | 62.5 | 31.25 | 16.6 | 8.3 | 4 | 2 | Control |
| AGvE | S | S | S | S | S | S | S | R | R | R |
| EGvE | S | S | S | S | S | S | S | S | R | R |
| MBC of guava on P. gingivalis (CFU/mL) | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| AGvE | NG | NG | NG | NG | NG | 12 | 23 | 36 | 63 | 102 |
| EGvE | NG | NG | NG | NG | NG | 38 | 49 | 58 | 72 | 96 |
| MIC of guava on Aggregatibacter actinomycetemcomitans | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Guava (μL) | 500 | 250 | 125 | 62.5 | 31.25 | 16.6 | 8.3 | 4 | 2 | Control |
| AGvE | S | S | S | S | S | R | R | R | R | R |
| EGvE | S | S | S | S | S | S | S | S | S | R |
| MBC of guava on A. actinomycetemcomitans (CFU/mL) | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| AGvE | NG | NG | NG | NG | NG | 86 | 102 | 136 | 148 | 162 |
| EGvE | NG | NG | NG | NG | NG | NG | NG | NG | NG | 46 |
S = susceptible, R = resistant, MIC = minimal inhibitory concentration, MBC = minimal bactericidal concentration, AGvE = aqueous guava extract, EGvE = ethanolic guava extract