Table 4.
Sample |
Escherichia
Coli |
Listeria
Monocytogenes |
Salmonella
Typhymurium |
|||
---|---|---|---|---|---|---|
24 h | 48 h | 24 h | 48 h | 24 h | 48 h | |
Inhibition (%) | ||||||
PLA Hot-Pressed | ||||||
PLA -H | 26 | 42 | 29 | 32 | 22 | 29 |
LA | 43 | 70 | 49 | 54 | 37 | 49 |
LC | 68 | 80 | 37 | 63 | 100 | 100 |
HA | 50 | 77 | 60 | 100 | 51 | 78 |
HC | 80 | 91 | 77 | 100 | 100 | 100 |
PLA NATIVIA® NTSS 40 µm 1 | ||||||
H-NATIVIA | 10 | 53 | 16 | 58 | 35 | 71 |
HA- NATIVIA | 49 | 82 | 47 | 100 | 55 | 94 |
HC- NATIVIA | 53 | 78 | 53 | 100 | 65 | 90 |
1 As the antibacterial tests for the PLA hot-pressed samples evidenced the highest antimicrobial efficiency for the samples containing Chit-H, the commercial NATIVIA® foils were coated only with formulations containing Chit-H.