Biodegradable Polymers for Microencapsulation Systems

Figure 33

SEM micrographs of microcapsules obtained by cross-linking of gelatin: NaCAS coacervate for a mass ratio of 2 : 1, with 0.2 mmol of genipin/g of proteins. Magnification of 1,000× (a); 5,000× (b); 50,000× (c). Microcapsules after active compounds release (3,000×) (d) [110].

(a)

(b)

(c)

(d)