Effect of Oregano and Marjoram Essential Oils on the Physical and Antimicrobial Properties of Chitosan Based Systems

Figure 2

SEM micrographs of the surfaces (left) and cross sections (right) of chitosan films: (a) control, (b) with 3% wt. oregano oil, and (c) with 3% wt. marjoram oil.

(a)

(b)

(c)