Research Article

Development, RSM-Based Optimization, and Characterization of a Unique Edible Composite Film by Incorporating Clove Essential Oil Based on Sodium Alginate and Aloe vera Gel to Preserve the Quality of Blueberries

Figure 4

Images of the edible films (a); SEM images of SA surface (A) and cross section (D), SA/CO surface (B) and cross section (E), and SA/CO/AG surface (C) and cross section (F) (b); FTIR spectra of SA, SA/CO, and SA/CO/AG (c).
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