Research Article

Alginate Biocomposite Films Incorporated with Cinnamon Essential Oil Nanoemulsions: Physical, Mechanical, and Antibacterial Properties

Figure 3

Scanning electron microscopy (SEM) images of the fracture surface of alginate films incorporating various CEO-NE concentrations viewed at a magnification of 5000x: (a) control, (b) CEO-NE 20%, (c) CEO-NE 25%, (d) CEO-NE 30%, and (e) CEO-NE 40%. Arrows show cavity-like structures in the film matrix.