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

Table 3

pH values of film forming solutions with various degrees of EE concentrations.

EE concentration (% wt.)	pH
	CH-O	CH-M
0.5
1
2
3
4
5

Values are expressed as mean ± standard deviation. Different letters in the same column indicate significant differences ().