2.5.11. Statistical Analysis

The results were expressed as mean ± standard deviation. The data were subjected to one-way analysis of variance (ANOVA) using Statgraphics Centurion XV software (StatPoint, Inc., Warrenton, VA, USA). Tukey's HSD test, at 95% confidence level, was performed to determine the influence of SE addition on the properties of the PCL-based films.

#### **3. Results and Discussion**

#### *3.1. Sage Extract Characterization*
