Conditions to Prolonged Release of Microencapsulated Carvacrol on Alginate Films as Affected by Emulsifier Type and PH

Figure 3

Scanning electron microscopy of the films at 1000x. (a) 0.25% w/w trehalose pH 4, (b) 0.25% w/w trehalose pH 8, (c) 0.75% w/w trehalose pH 4, (d) 0.75% w/w trehalose pH 8, (e) 1% w/w Tween 20 pH 4, and (f) 1% w/w Tween 20 pH 8.

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