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Updated: Sep 21, 2025
Author Spotlight: An Antimicrobial Fabric Using Nano-Herbal Encapsulation of Essential Oils
Published on: April 7, 2023
Antimicrobial Activity, Microstructure, Mechanical, and Barrier Properties of Cassava Starch Composite Films
Bin Wang1,2, Shouxin Yan1,2, Lizhong Qiu3
1State Key Laboratory of Biobased Material and Green Papermaking, Shandong Academy of Sciences, Qilu University of Technology, Jinan, China.
Abstract:
In this study, we prepared cassava starch-based films by the casting method. Afterwards, the effects of geranium essential oil (GEO) on the prepared films' physicochemical, morphology, and antibacterial properties were revealed. We found that the thickness and elongation at the break of cassava starch films increased with increasing GEO concentration (from 0.5, 1, and 2%). However, increasing GEO concentration decreased the water content, water vapor permeability, and tensile strength of the prepared films'. Further, the addition of GEO increased the surface roughness, opacity, and antibacterial properties of the prepared films. With the increase of GEO concentration, L and a of cassava starch film decreased, while b and Δ E increased. This study provides a theory for cassava starch-based films as a biological packaging material.
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