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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Song, Ah Young Oh, Yoon Ah Roh, Si Hyeon Kim, Ji Hyeon Min, Sea C. |
| Description | Author Affiliation: Song AY ( Dept. of Food Science and Technology, Seoul Women's Univ, Seoul, 139-774, Republic of Korea.); Oh YA ( Dept. of Food Science and Technology, Seoul Women's Univ, Seoul, 139-774, Republic of Korea.); Roh SH ( Dept. of Food Science and Technology, Seoul Women's Univ, Seoul, 139-774, Republic of Korea.); Kim JH ( Dept. of Food Science and Technology, Seoul Women's Univ, Seoul, 139-774, Republic of Korea.); Min SC ( Dept. of Food Science and Technology, Seoul Women's Univ, Seoul, 139-774, Republic of Korea.) |
| Abstract | The effects of cold plasma (CP) treatment on the physicochemical and biodegradable properties of polylactic acid (PLA) films were studied. The PLA films were exposed to CP for 40 min at 900 W and 667 Pa using oxygen as the plasma-forming gas. The tensile, optical, and dynamic mechanical thermal properties, surface morphology, printability, water contact angle, chemical structure, weight change, and biodegradability properties of the films were evaluated during storage for up to 56 d. The tensile and optical properties of the PLA films were not significantly affected by CP treatment (CPT; P > 0.05). The surface roughness and water contact angle of PLA films increased by CPT and further increased during storage for 56 d. The printability of the PLA films increased following CPT and remained stable throughout the storage period. CP-induced hydrophilicity was also sustained during the storage period. The PLA films lost 1.9% of their weight after CPT, but recovered 99.5% of this loss after 14 d in storage. Photodegradation, thermal, and microbial biodegradable properties of the films were significantly improved by CPT (P < 0.05). Accelerated biodegradation of CP-treated PLA sachets with and without cheese was observed in compost. These results demonstrate the potential of CPT for modifying the stiffness, water contact angle, and chemical structure of PLA films and improving the printability and biodegradability of the films for food packaging. |
| File Format | HTM / HTML |
| ISSN | 00221147 |
| Issue Number | 1 |
| Volume Number | 81 |
| e-ISSN | 17503841 |
| Journal | Journal of Food Science |
| Language | English |
| Publisher | Wiley (on behalf ofInstitute of Food Technologists) |
| Publisher Date | 2016-01-01 |
| Publisher Place | United States |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Discipline Food science Biodegradable Plastics Food Packaging Methods Food Storage Lactic Acid Chemistry Oxygen Plasma Gases Polymers Cheese Food Preservation Hydrophobic And Hydrophilic Interactions Polyesters Soil Tensile Strength Water Journal Article Research Support, Non-u.s. Gov't |
| Content Type | Text |
| Resource Type | Article |
| Subject | Food Science |
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