Nanoencapsulation of 4-Propylguaiacol in β-Cyclodextrin, Ethyl Cellulose, and Polyvinylpyrrolidone

Figure 10

SEM photographs of (a) β-cyclodextrin, (b) β-cyclodextrin + 4-propylguaiacol complex, (c) ethyl cellulose, (d) ethyl cellulose + 4-propylguaiacol complex, (e) PVP, and (f) PVP + 4-propylguaiacol complex.

(a)

(b)

(c)

(d)

(e)

(f)