Table 2.
MIC, MBC, and MBC/MIC results of the fruits and phenolic compounds to 8 standard strains.
| Antibacterial properties | Phenolic compounds | Gram-positive bacteria | Gram-negative bacteria | ||||||
|---|---|---|---|---|---|---|---|---|---|
| S. aureus | B. cereus | S. epidermidis | M. albican | E. coli | S. typhimurium | S. flexneri | P. aeruginosa | ||
| MIC (mg/mL) | Persimmon | 312.50 | 625.00 | 625.00 | 1250.00 | 1250.00 | 1250.00 | 1250.00 | 625.00 |
| Guava | 1250.00 | 312.50 | 78.13 | 1250.00 | 625.00 | 625.00 | 625.00 | 312.50 | |
| Sweetsop | 1250.00 | 1250.00 | 312.50 | 2500.00 | 2500.00 | 2500.00 | 2500.00 | 2500.00 | |
| Gallic acid | 0.63 | 2.50 | 0.63 | 5.00 | 2.50 | 2.50 | 2.50 | 2.50 | |
| (+)-Catechin | 1.25 | 1.25 | 1.25 | 2.50 | 5.00 | 2.50 | 2.50 | 2.50 | |
| (−)-Epicatechin | 2.50 | 2.50 | 2.50 | 2.50 | 2.50 | 2.50 | 2.50 | 1.25 | |
| Chlorogenic acid | 5.00 | 2.50 | 0.63 | 5.00 | 5.00 | 2.50 | 2.50 | 2.50 | |
| Ferulic acid | 2.50 | 2.50 | 2.50 | 2.50 | 2.50 | 2.50 | 2.50 | 2.50 | |
| Quercetin | 2.50 | 2.50 | 1.25 | 2.50 | 2.50 | 2.50 | 2.50 | 2.50 | |
| Luteolin | 0.63 | 5.00 | 0.63 | 5.00 | 2.50 | 2.50 | 2.50 | 5.00 | |
| Kaempferol | 2.50 | 2.50 | 1.25 | 2.50 | 2.50 | 2.50 | 1.25 | 1.25 | |
|
| |||||||||
| MBC (mg/mL) | Persimmon | 312.50 | 625.00 | 625.00 | 2500.00 | 1250.00 | 1250.00 | 1250.00 | 625.00 |
| Guava | 2500.00 | 312.50 | 156.25 | 2500.00 | 1250.00 | 625.00 | 625.00 | 312.50 | |
| Sweetsop | 2500.00 | 1250.00 | 2500.00 | >5000.00 | 5000.00 | >5000.00 | 5000.00 | 2500.00 | |
| Gallic acid | 0.63 | 2.50 | 0.63 | 5.00 | 5.00 | 5.00 | 5.00 | 5.00 | |
| (+)-Catechin | 1.25 | 1.25 | 1.25 | >5.00 | 5.00 | 2.50 | 2.50 | 2.50 | |
| (−)-Epicatechin | 2.50 | >5.00 | 5.00 | 5.00 | 2.50 | 2.50 | 2.50 | >5.00 | |
| Chlorogenic acid | 5.00 | 2.50 | >5.00 | >5 | 5.00 | 5.00 | 5.00 | 2.50 | |
| Ferulic acid | 5.00 | 2.50 | 5.00 | 5.00 | >5.00 | 5.00 | 5.00 | 5.00 | |
| Quercetin | 5.00 | 2.50 | 2.50 | 5.00 | 5.00 | 2.50 | 5.00 | 5.00 | |
| Luteolin | 2.50 | 5.00 | 1.25 | 5.00 | >5.00 | 5.00 | 5.00 | 5.00 | |
| Kaempferol | 5.00 | 2.50 | 1.25 | 5.00 | 5.00 | 5.00 | 5.00 | 5.00 | |
|
| |||||||||
| MBC/MIC | Persimmon | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 1 |
| Guava | 2 | 1 | 2 | 2 | 2 | 1 | 1 | 1 | |
| Sweetsop | 2 | 1 | 8 | / | 2 | / | 2 | 1 | |
| Gallic acid | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | |
| (+)-Catechin | 1 | 1 | 1 | / | 1 | 1 | 1 | 1 | |
| (−)-Epicatechin | 1 | / | 2 | 2 | 1 | 1 | 1 | / | |
| Chlorogenic acid | 1 | 1 | / | / | 1 | 2 | 2 | 1 | |
| Ferulic acid | 2 | 1 | 2 | 2 | / | 2 | 2 | 2 | |
| Quercetin | 2 | 1 | 2 | 2 | 2 | 1 | 2 | 2 | |
| Luteolin | 4 | 1 | 2 | 1 | / | 2 | 2 | 1 | |
| Kaempferol | 2 | 1 | 1 | 2 | 2 | 2 | 4 | 4 | |
Note: “/” means the MBC/MIC result cannot be provided because MBC was greater than the original concentration.