Table 10.
Antimicrobial properties of starch films with chicory root extracts and phytic acid.
| Antimicrobial Activity | Film | |||
|---|---|---|---|---|
| FW | FWM70/30 | FWM50/50 | FWE | |
| Antibacterial activity | ||||
| Escherichia coli | ||||
| LDPE | – | |||
| 0% | – | |||
| 1% | ++ | + | ++ | ++ |
| 2% | ++ | ++ | ++ | ++ |
| 5% | ++ | ++ | ++ | ++ |
| Streptococcus aureus | ||||
| LDPE | – | |||
| 0% | – | |||
| 1% | + | ++ | ++ | ++ |
| 2% | ++ | ++ | ++ | ++ |
| 5% | ++ | ++ | ++ | ++ |
| Bacillus subtilis | ||||
| LDPE | – | |||
| 0% | – | |||
| 1% | +++ | ++ | ++ | ++ |
| 2% | ++ | ++ | ++ | + |
| 5% | ++ | +++ | ++ | ++ |
| Pseudomonas fluorescens | ||||
| LDPE | – | |||
| 0% | – | |||
| 1% | + | ++ | ++ | + |
| 2% | + | ++ | ++ | ++ |
| 5% | ++ | ++ | ++ | ++ |
| Antifungal activity | ||||
| Candida albicans | ||||
| LDPE | – | |||
| 0% | – | |||
| 1% | + | – | – | – |
| 2% | + | – | – | + |
| 5% | + | – | + | + |
| Aspergillus niger | ||||
| LDPE | – | |||
| 0% | – | |||
| 1% | + | + | ++ | + |
| 2% | + | + | + | + |
| 5% | ++ | ++ | ++ | ++ |
FW, film with water extract; FWM 70/30, film with water–methanol (70/30, v/v) extract; FWM 50/50, film with water–methanol (50/50, v/v) extract; FWE, film with water–enzyme extract; LDPE low-density polyethylene. For description of the antimicrobial effect, see Table 2.