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- Title
Carboxymethyl cellulose/starch-based films incorporating chitosan nanoparticles for multifunctional food packaging.
- Authors
Amaregouda, Yamanappagouda; Kamanna, Kantharaju
- Abstract
In this work, we described novel composite films derived from CMC (carboxymethyl cellulose) and ST (starch) polymers reinforced CS NPs (chitosan nanoparticles) achieved by the solution casting method. The CS NPs were prepared using an ionic gelation method utilizing chitosan with sodium alginate, and employed as a reinforcing phase for the development of CMC/ST-CS NPs (CSC) bio-nanocomposite films with different content of the CS NPs loading levels (0, 1, 3, 6 and 9 wt%) described. The prepared film interactions and compatibility between the polymers were established using FT-IR, X-ray diffraction, and SEM. The tensile strength (~ 81.08%), UV blocking (~ 34.50%), moisture content (~ 54.12%), and permeability [oxygen (~ 45.93%) and water vapor permeability (~ 68.62%)] properties of the prepared films were determined. The overall migration limit of the prepared CSC films showed below the permitted limit of 1000 μg/dm2. The prepared films showed antioxidant (~ 42.35%) and very good cell viability properties (more than 90%). Further, prepared CSC films displayed the potential to extend the shelf–life of the chicken meat up to 56 h, when stored at room temperature. These experimental results suggested that, prepared CSC film is well suitable for the potential active packaging purpose.
- Subjects
FOOD packaging; EDIBLE coatings; CHICKEN as food; CHITOSAN; CARBOXYMETHYLCELLULOSE; WATER vapor; NANOPARTICLES; CELL survival
- Publication
Cellulose, 2024, Vol 31, Issue 4, p2413
- ISSN
0969-0239
- Publication type
Article
- DOI
10.1007/s10570-024-05753-8