Table 5.
Inhibition zone of food-borne pathogens in CuONPs biopolymer films used for antimicrobial packaging.
| Microorganisms | Sample | Inhibition zone (mm) | Study |
|---|---|---|---|
| E. coli | CMC-CuO | 9–14 | [147] |
| S. aureus | 15–19 | ||
|
| |||
| E. coli | Chi-CuO | 6–11 | [148] |
| S. aureus | 6–8 | ||
|
| |||
| E. coli | Chi-CuO-NS | 22 | [56] |
| K. aerogenes | 23 | ||
| S. pyogenes | 20 | ||
| S. aureus | 21 | ||
| E. coli | NS-CuO | 18 | |
| K. aerogenes | 19 | ||
| S. pyogenes | 19 | ||
| S. aureus | 20 | ||
| E. coli | Chi-CuO | 18 | |
| K. aerogenes | 17 | ||
| S. pyogenes | 18 | ||
| S. aureus | 19 | ||
| E. coli | CuO | 16 | |
| K. aerogenes | 15 | ||
| S. pyogenes | 16 | ||
| S. aureus | 17 | ||
| E. coli | Chitosan | 13 | |
| K. aerogenes | 12 | ||
| S. pyogenes | 14 | ||
| S. aureus | 15 | ||
|
| |||
| E. coli | Cellulose-CuO | 2 (5 mM) | [201] |
| 5 (25 mM) | |||
| 10 (125 mM) | |||
| 12 (250 mM) | |||
|
| |||
| E. coli | BC-CuO | 11.08 (pH = 7) | [58] |
| 10.01 (pH = 8) | |||
| 8.90 (pH = 9) | |||
| 8.67 (pH = 10) | |||
| 7.62 (pH = 11) | |||
| S. aureus | 23.53 (pH = 7) | ||
| 22.57 (pH = 8) | |||
| 21.23 (pH = 9) | |||
| 19.42 (pH = 10) | |||
| 16.74 (pH = 11) | |||
|
| |||
| E. coli | Chi-Cu | 14 | [202] |
| Bacillus | 9 | ||
| E. coli | Chi-CuO | 16 | |
| Bacillus | 13 | ||
| E. coli | Chi-Cu-Chi | 6 | |
| Bacillus | 5 | ||
| E. coli | Chi-CuO-chi | 10 | |
| Bacillus | 7.5 | ||
|
| |||
| E. coli | BC-CuO sonochemical | 5.71 ± 0.65 | [59] |
| BC-CuO precipitation | 6.33 ± 0.44 | ||
| S. aureus | BC-CuO sonochemical | 9.37 ± 0.97 | |
| BC-CuO precipitation | 5.21 ± 0.22 | ||
|
| |||
| E. coli | CuNPs-CMC hydrogel (1.0) | 12 | [205] |
| CuNPs-CMC hydrogel (3.0) | 13.6 | ||
| CuNPs-CMC hydrogel (5.0) | 15.2 | ||
| S. aureus | CuNPs-CMC hydrogel (1.0) | 12.2 | |
| CuNPs-CMC hydrogel (3.0) | 14 | ||
| CuNPs-CMC hydrogel (5.0) | 15.6 | ||
| K. pneumonia | CuNPs-CMC hydrogel (1.0) | 11.4 | |
| CuNPs-CMC hydrogel (3.0) | 13.2 | ||
| CuNPs-CMC hydrogel (5.0) | 15.2 | ||
| P. aeruginosa | CuNPs-CMC hydrogel (1.0) | 12.8 | |
| CuNPs-CMC hydrogel (3.0) | 14 | ||
| CuNPs-CMC hydrogel (5.0) | 16.4 | ||
| P. vulgaris | CuNPs-CMC hydrogel (1.0) | 12 | |
| CuNPs-CMC hydrogel (3.0) | 13.8 | ||
| CuNPs-CMC hydrogel (5.0) | 15.8 | ||
| P. mirabilis | CuNPs-CMC hydrogel (1.0) | 12.4 | |
| CuNPs-CMC hydrogel (3.0) | 14 | ||
| CuNPs-CMC hydrogel (5.0) | 15.8 | ||
|
| |||
| E. coli | Cellulose-CuNPs (5 mM) | 0 | [208] |
| Cellulose-CuNPs (25 mM) | 0 | ||
| Cellulose-CuNPs (125 mM) | 9 | ||
| Cellulose-CuNPs (250 mM) | 12 | ||
| Bacillus | Cellulose-CuNPs (250 mM) | 29 | |
| Cellulose-CuNPs (500 mM) | 32 | ||
|
| |||
| E. coli | SA (1%)-CuONPs (1 mM) | 5.20 ± 0.54 | [149] |
| SA (3%)-CuONPs (1 mM) | 5.58 ± 0.85 | ||
| SA (3%)-CuONPs (5 mM) | 8.72 ± 0.15 | ||
| CNW (0.5%)-SA (3%)-CuONPs (5 mM) | 12.12 ± 0.58 | ||
| S. aureus | SA (1%)-CuONPs (1 mM) | 21.65 ± 0.62 | |
| SA (3%)-CuONPs (1 mM) | 12.25 ± 0.84 | ||
| SA (3%)-CuONPs (5 mM) | 17.18 ± 0.45 | ||
| CNW (0.5%)-SA (3%)-CuONPs (5 mM) | 27.49 ± 0.91 | ||
| Salmonella spp. | SA (1%)-CuONPs (1 mM) | 12.12 ± 0.15 | |
| SA (3%)-CuONPs (1 mM) | 18.12 ± 0.64 | ||
| SA (3%)-CuONPs (5 mM) | 24.25 ± 0.48 | ||
| CNW (0.5%)-SA (3%)-CuONPs (5 mM) | 25.21 ± 1.05 | ||
| C. albicans | SA (1%)-CuONPs (1 mM) | 22.23 ± 0.19 | |
| SA (3%)-CuONPs (1 mM) | 17.25 ± 0.17 | ||
| SA (3%)-CuONPs (5 mM) | 21.26 ± 0.32 | ||
| CNW (0.5%)-SA (3%)-CuONPs (5 mM) | 23.35 ± 0.45 | ||
| Trichoderma spp. | SA (1%)-CuONPs (1 mM) | 2.50 ± 0.68 | |
| SA (3%)-CuONPs (1 mM) | 3.63 ± 0.62 | ||
| SA (3%)-CuONPs (5 mM) | 4.63 ± 0.53 | ||
| CNW (0.5%)-SA (3%)-CuONPs (5 mM) | 5.31 ± 1.16 | ||
|
| |||
| E. coli | Chi-CuO (25 μL) | 6 ± 0.5 | [210] |
| Chi-CuO (50 μL) | 6 ± 0.5 | ||
| Chi-CuO (100 μL) | 8 ± 0.5 | ||
| B. subtilis | Chi-CuO (25 μL) | 6.5 ± 0.5 | |
| Chi-CuO (50 μL) | 7 ± 0.5 | ||
| Chi-CuO (100 μL) | 8 ± 0.5 | ||
| P. aeruginosa | Chi-CuO (25 μL) | 6 ± 0.5 | |
| Chi-CuO (50 μL) | 6.5 ± 0.5 | ||
| Chi-CuO (100 μL) | 8 ± 0.5 | ||
| P. notatum | Chi-CuO (25 μL) | Not reported | |
| Chi-CuO (50 μL) | 10 ± 0.5 | ||
| Chi-CuO (100 μL) | 10 ± 0.5 | ||