Research Article

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

Figure 1

Chemical structures of (a) carvacrol, (b) thymol, (c) terpinen-4-ol, and (d) γ terpinene, that is, the active constituents of the oregano and marjoram essential oils.
(a)
(b)
(c)
(d)