Novel Active Food Packaging Films Based on Gelatin-Sodium Alginate Containing Beetroot Peel Extract
Abstract
:1. Introduction
2. Materials and Methods
2.1. Preparation of Beetroot Peels Extracts (BPE)
2.2. Betalains Quantification and Antibacterial Activity
2.3. HPLC Analysis
2.4. Preparation of Film
2.5. Film Characterization
2.5.1. Mechanical Properties
2.5.2. Physical Characterization
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- Swelling index (SI)
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- Water solubility (WS)
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- Moisture content (MC)
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- Biodegradability
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- Film instrumental color evaluation
2.5.3. Biological Characterization
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- Antibacterial activity
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- Total phenolic content and antioxidant activity
2.6. Analysis of Beef Meat Samples
2.6.1. Microbiological Analysis
2.6.2. Physiochemical Analysis
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- pH analysis
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- Evaluation of protein and lipid oxidation
2.6.3. Instrumental Color Evaluation and Sensory Evaluation
2.7. Statistical Analysis
3. Results and Discussion
3.1. Betalains Content
3.2. Antibacterial Activity of BPE
3.3. Film Properties
3.3.1. Mechanical Characterization
3.3.2. Physical Characterization
3.3.3. Optical Film’s Characterization
3.3.4. Biological Characterization of Developed Films
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- Antibacterial activity
- -
- Total phenolic content (TPC) and antioxidant activity (DPPH)
3.4. Minced Beef Meat Analysis
3.4.1. Microbiological Analysis
3.4.2. Physiochemical Analysis
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- pH analysis
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- Evaluation of protein oxidation
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- Evaluation of lipid oxidation
3.4.3. Instrumental Color
3.4.4. Sensory Evaluation
3.5. Chemometric Analysis
- -
- Principal component analysis
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- Heat maps
4. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Sample | EB (%) | TS (MPa) |
---|---|---|
Control | 61.21 ± 2.75 a | 14.11 ± 0.69 a |
1-BPE | 66.10 ± 3.31 a | 23.20 ± 1.14 b |
2-BPE | 70.10 ± 3.51 a | 25.03 ± 1.23 b |
4-BPE | 91.10 ± 4.56 c | 36.43 ± 1.79 c |
Samples | MC (%) | WS (%) | SI (%) |
---|---|---|---|
Control | 19 ± 0.99 c | 100.00 ± 4.80 d | 88.11 ± 4.67 d |
1-BPE | 18 ± 0.94 bc | 55.70 ± 2.73 c | 67.53 ± 3.58 c |
2-BPE | 16 ± 0.83 b | 40.80 ± 2.00 b | 60.86 ± 3.23 b |
4-BPE | 13 ± 0.68 a | 32.62 ± 1.60 a | 56.06 ± 2.97 a |
Samples | L* | a* | b* |
---|---|---|---|
Control | 47.920 ± 2.16 c | 40.780 ± 0.03 a | −0.80 ± 0.04 a |
1-BPE | 44.327 ± 1.99 b | 43.537 ± 1.87 b | 1.47 ± 0.07 b |
2-BPE | 46.757 ± 2.10 bc | 44.157 ± 1.90 bc | 2.23 ± 0.10 c |
4-BPE | 42.350 ± 1.91 a | 45.052 ± 1.94 c | 3.60 ± 0.17 d |
Antibacterial Activity (mm) | ||||
---|---|---|---|---|
Sample | Anti-S. aureus | Anti-L. monocytogenes | Anti-S. enterica | Anti-E. coli |
Control | 0.00 ± 0.00 a | 0.00 ± 0.00 a | 0.00 ± 0.00 a | 0.00 ± 0.00 a |
1-BPE | 15 ± 0.675 b | 18 ± 0.756 b | 19 ± 0.817 b | 16 ± 0.80 b |
2-BPE | 16 ± 0.720 bc | 19 ± 0.798 bc | 21 ± 0.903 c | 21 ± 1.05 c |
4-BPE | 18 ± 0.81 c | 20 ± 0.840 c | 25 ± 1.07 d | 23 ± 1.15 d |
Samples | TPC (mg GAE/mL) | DPPH (%) |
---|---|---|
1-BPE | 21.85 ± 0.98 a | 30.32 ± 1.42 c |
2-BPE | 22.81 ± 1.03 a | 46.18 ± 2.17 b |
4-BPE | 23.00 ± 1.04 a | 70.68 ± 3.32 a |
Days of Storage | ||||||
---|---|---|---|---|---|---|
Sample | 0 | 3 | 7 | 10 | 14 | |
APC | Control | 2.08 ± 0.094 aA | 4.99 ± 0.224 bB | 6.789 ± 0.312 cC | 7.810 ± 0.366 dD | 8.990 ± 0.431 eE |
1-BPE | 2.05 ± 0.092 aA | 4.68 ± 0.210 bB | 5.432 ± 0.249 cC | 6.018 ± 0.282 dD | 7.242 ± 0.362 eE | |
2-BPE | 2.02 ± 0.091 aA | 4.38 ± 0.197 bB | 5.221 ± 0.240 cC | 5.520 ± 0.270 dD | 6.530 ± 0.326 dD | |
4-BPE | 2.01 ± 0.09 aA | 4.00 ± 0.180 bB | 4.980 ± 0.229 cC | 5.102 ± 0.239 cC | 6.172 ± 0.296 dD | |
PTC | Control | 2.36 ± 0.104 aA | 4.32 ± 0.194 cB | 5.96 ± 0.280 cC | 6.483 ± 0.311 cD | 7.50 ± 0.367 cE |
1-BPE | 2.35 ± 0.106 aA | 3.74 ± 0.168 bB | 4.23 ± 0.198 bC | 5.66 ± 0.272 bD | 6.98 ± 0.342 bE | |
2-BPE | 2.35 ± 0.108 aA | 3.07 ± 0.138 aB | 3.57 ± 0.167 aB | 5.32 ± 0.255 abC | 6.71 ± 0.328 bD | |
4-BPE | 2.34 ± 0.105 aA | 2.89 ± 0.130 aAB | 3.19 ± 0.149 aB | 5.06 ± 0.243 aC | 6.18 ± 0.302 aD | |
EC | Control | <1 | 2.168 ± 0.101dA | 3.147 ± 0.151 cB | 3.675 ± 0.180 cB | 4.161 ± 0.208 dC |
1-BPE | <1 | 1.819 ± 0.085 cA | 2.149 ± 0.103 bB | 2.626 ± 0.128 cbB | 3.544 ± 0.177 cC | |
2-BPE | <1 | 1.439 ± 0.067 bA | 1.801 ± 0.086 aAB | 2.066 ± 0.101 aB | 2.884 ± 0.144 bC | |
4-BPE | <1 | 1.023 ± 0.048 aA | 1.715 ± 0.082 aB | 1.920 ± 0.094 aBC | 2.530 ± 0.102 aC |
Days of Storage | |||||
---|---|---|---|---|---|
Samples | 0 | 3 | 7 | 10 | 14 |
Control | 5.21 ± 0.234 aA | 5.46 ± 0.251 cB | 5.74 ± 0.270 dC | 5.88 ± 0.282 cC | 6.12 ± 0.300 cD |
1-BPE | 5.20 ± 0.229 aA | 5.34 ± 0.246 bB | 5.52 ± 0.259 cC | 5.71 ± 0.274 bD | 5.94 ± 0.291 bE |
2-BPE | 5.19 ± 0.236 aA | 5.27 ± 0.242 aB | 5.42 ± 0.255 bC | 5.68 ± 0.273 bD | 5.81 ± 0.285 aE |
4-BPE | 5.19 ± 0.237 aA | 5.25 ± 0.247 aAB | 5.30 ± 0.249 aB | 5.61 ± 0.269 aC | 5.77 ± 0.283 aD |
Days of Storage | ||||||
---|---|---|---|---|---|---|
Samples | 0 | 3 | 7 | 10 | 14 | |
L* | Control | 46.213 ± 2.03 aC | 46.123 ± 2.12 bC | 45.750 ± 2.15 bBC | 45.200 ± 2.17 bB | 44.213 ± 2.17 bA |
1-BPE | 45.680 ± 2.01 aC | 45.390 ± 2.09 aC | 45.270 ± 2.13 bBC | 45.104 ± 2.16 bB | 44.100 ± 2.16 bA | |
2-BPE | 45.406 ± 2.00 aB | 45.130 ± 2.08 aB | 44.106± 2.07 abAB | 43.400 ± 2.08 aA | 43.416 ± 2.18 abA | |
4-BPE | 44.100 ± 1.94 aC | 43.780 ± 2.01 aB | 43.465 ± 2.04 aB | 43.115 ± 2.07 aAB | 42.955 ± 2.10 aA | |
a* | Control | 10.273 ± 0.45 aC | 9.155 ± 0.42 aB | 8.555 ± 0.41 aA | 8.820 ± 0.43 aA | 9.560 ± 0.47 aB |
1-BPE | 44.580 ± 1.96 bC | 43.420 ± 1.99 bBC | 42.550 ± 2.04 bB | 41.210 ± 2.01 bAB | 40.490 ± 2.02 bA | |
2-BPE | 46.060 ± 2.02 bC | 44.780 ± 2.06 bB | 43.480 ± 2.08 bB | 41.796 ± 2.05 bA | 41.086 ± 2.05 bA | |
4-BPE | 46.613 ± 2.05 bD | 45.940 ± 2.11 bC | 44.630 ± 2.14 bB | 42.050 ± 2.06 bA | 42.273 ± 2.11 bA | |
b* | Control | 11.470 ± 0.50 bA | 11.790 ± 0.54 aAB | 12.515 ± 0.59 bB | 14.115± 0.68 dC | 15.105 ± 0.74 cD |
1-BPE | 10.890 ± 0.48 abA | 11.560 ± 0.53 aB | 11.960 ± 0.56 abB | 13.000 ± 0.62 cC | 14.550 ± 0.71 bD | |
2-BPE | 10.453 ± 0.46 aA | 11.276 ± 0.52 aB | 11.723 ± 0.55 aBC | 12.343 ± 0.59 bC | 14.253 ± 0.70 bD | |
4-BPE | 10.136 ± 0.45 aA | 11.106 ± 0.51 aB | 11.576 ± 0.54 aBC | 11.700 ± 0.56 aC | 13.656 ± 0.67 aC |
Days of Storage | ||||||
---|---|---|---|---|---|---|
Samples | 0 | 3 | 7 | 10 | 14 | |
Appearance | Control | 8.2 ± 0.361 aE | 6 ± 0.270 aD | 5.10 ± 0.235 aC | 4.50 ± 0.212 aB | 3.62 ± 0.174 aA |
1-BPE | 8.5 ± 0.374 aD | 6.3 ± 0.284 bC | 5.35 ± 0.246 bB | 5.10 ± 0.240 bB | 4.40 ± 0.211 bA | |
2-BPE | 8.25 ± 0.396 aD | 6.7 ± 0.302 cC | 5.70 ± 0.262 cB | 5.25 ± 0.247 bcB | 4.50 ± 0.216 bA | |
4-BPE | 8.5 ± 0.396 aD | 6.87 ± 0.309 cC | 5.80 ± 0.267 cB | 5.35 ± 0.251 cA | 5.20 ± 0.250 cA | |
Color | Control | 8.45 ± 0.372 aE | 6.22 ± 0.280 aD | 5.30 ± 0.244 aC | 4.45 ± 0.209 aB | 3.50 ± 0.168 aA |
1-BPE | 8.5 ± 0.405 aD | 6.5 ± 0.293 bC | 5.33 ± 0.245 aB | 5 ± 0.235 bB | 4.40 ± 0.211 bA | |
2-BPE | 8.33 ± 0.402 aD | 6.88 ± 0.310 cC | 6.35 ± 0.246 bB | 5.12 ± 0.241 bA | 5.01 ± 0.214 cA | |
4-BPE | 8.5 ± 0.401 aD | 7.75 ± 0.349 dC | 6.45 ± 0.251 bC | 5.72 ± 0.245 cB | 5.10 ± 0.230 cA | |
Aroma | Control | 8.5 ± 0.374 aE | 6.01 ± 0.270 aD | 5.25 ± 0.242 aC | 4.31 ± 0.203 aB | 3.30 ± 0.158 aA |
1-BPE | 8.5 ± 0.383 aD | 6.20 ± 0.279 abC | 5.35 ± 0.246 aB | 5.25 ± 0.247 bB | 4.27 ± 0.205 bA | |
2-BPE | 8.5 ± 0.378 aD | 6.34 ± 0.285 bC | 5.71 ± 0.149 bB | 5.30 ± 0.249 bAB | 5.00 ± 0.207 cA | |
4-BPE | 8.5 ± 0.380 aD | 6.57 ± 0.296 cC | 6.01 ± 0.255 cB | 5.73 ± 0.251 cA | 5.40 ± 0.211 dA | |
OA | Control | 8 ± 0.356 aD | 5 ± 0.225 aC | 5 ± 0.230 aC | 4.71 ± 0.221 aB | 3.60 ± 0.173 aA |
1-BPE | 8 ± 0.358 aD | 6 ± 0.270 bC | 5.11 ± 0.235 abB | 5 ± 0.235 abB | 4.57 ± 0.219 aA | |
2-BPE | 8.5 ± 0.382 aD | 6.75 ± 0.304 cC | 5.21 ± 0.240 bB | 5.11 ± 0.240 bAB | 5.00 ± 0.226 bA | |
4-BPE | 8.5 ± 0.374 aE | 7.25 ± 0.315 dD | 5.65 ± 0.260 cB | 5.50 ± 0.248 cAB | 5.25 ± 0.230 cA |
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Chaari, M.; Elhadef, K.; Akermi, S.; Ben Akacha, B.; Fourati, M.; Chakchouk Mtibaa, A.; Ennouri, M.; Sarkar, T.; Shariati, M.A.; Rebezov, M.; et al. Novel Active Food Packaging Films Based on Gelatin-Sodium Alginate Containing Beetroot Peel Extract. Antioxidants 2022, 11, 2095. https://doi.org/10.3390/antiox11112095
Chaari M, Elhadef K, Akermi S, Ben Akacha B, Fourati M, Chakchouk Mtibaa A, Ennouri M, Sarkar T, Shariati MA, Rebezov M, et al. Novel Active Food Packaging Films Based on Gelatin-Sodium Alginate Containing Beetroot Peel Extract. Antioxidants. 2022; 11(11):2095. https://doi.org/10.3390/antiox11112095
Chicago/Turabian StyleChaari, Moufida, Khaoula Elhadef, Sarra Akermi, Boutheina Ben Akacha, Mariam Fourati, Ahlem Chakchouk Mtibaa, Monia Ennouri, Tanmay Sarkar, Mohammad Ali Shariati, Maksim Rebezov, and et al. 2022. "Novel Active Food Packaging Films Based on Gelatin-Sodium Alginate Containing Beetroot Peel Extract" Antioxidants 11, no. 11: 2095. https://doi.org/10.3390/antiox11112095