Biopolymer Films from Commelina coelestis Starch as a Replacement for Plastics
Author Information
Author(s): García-Guzmán Lucia, Velazquez Gonzalo, Arzate-Vázquez Israel, Castaño-Rivera Patricia, Guerra-Valle Maria, Castaño Johanna, Guadarrama-Lezama Andrea Y.
Primary Institution: Facultad de Química, Universidad Autónoma del Estado de México
Hypothesis
The study investigates the effect of cellulose and starch nanoparticles on the properties of starch-based films derived from Commelina coelestis.
Conclusion
The Commelina coelestis starch films showed improved mechanical and thermal properties, making them a promising alternative to conventional plastics for food packaging.
Supporting Evidence
- The films exhibited better dimensional stability (40–60%) than control films.
- Tensile strength improved by 8–300% and Young’s modulus by 15–690%.
- The films displayed enhanced thermal stability, withstanding temperatures exceeding 305 °C.
- FTIR spectra showed intermolecular interactions among the matrix and nanostructures.
- Microscopic analyses indicated a homogeneous surface and absence of fractures in the films.
Takeaway
This study shows that we can make better, eco-friendly films from a plant called Commelina coelestis, which can help replace plastic in food packaging.
Methodology
The films were prepared using a casting method with varying concentrations of cellulose and starch nanostructures, followed by evaluations of their physical, chemical, thermal, and mechanical properties.
Limitations
The study does not address the long-term environmental impact of the biopolymer films after disposal.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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