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| Content Provider | MDPI |
|---|---|
| Author | Liu, Dong Li, Hongli Jiang, Lin Chuan, Yongming Yuan, Minglong Chen, Haiyun |
| Abstract | Antimicromial and antioxidant bioactive films based on poly(lactic acid)/poly(trimenthylene carbonate) films incorporated with different concentrations of oregano essential oil (OEO) were prepared by solvent casting. The antimicrobial, antioxidant, physical, thermal, microstructural, and mechanical properties of the resulting films were examined. Scanning electron microscopy analysis revealed that the cross-section of films became rougher when OEO was incorporated into PLA/PTMC blends. Differential scanning calorimetry analysis indicated that crystallinity of PLA phase decreased by the addition of OEO, but this did not affect the thermal stability of the films. Water vapor permeability of films slightly increased with increasing concentration of OEO. However, active PLA/PTMC/OEO composite films showed adequate barrier properties for food packaging application. The antimicrobial and antioxidant capacities were significantly improved with the incorporation of OEO (p < 0.05). The results demonstrated that an optimal balance between the mechanical, barrier, thermal, antioxidant, and antimicrobial properties of the films was achieved by the incorporation of 9 wt % OEO into PLA/PTMC blends. |
| File Size | 6152192 |
| File Format | |
| e-ISSN | 14203049 |
| DOI | 10.3390/molecules21060695 |
| Journal | Molecules |
| Issue Number | 6 |
| Volume Number | 21 |
| Language | English |
| Publisher Date | 2016-05-27 |
| Access Restriction | Open |
| Subject Keyword | poly(lactic acid) poly(trimethylene carbonate) oregano essential oil antioxidant antimicrobial biodegradable film food packaging |
| Content Type | Text |
| Resource Type | Article |
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