. 2014 Aug 6;2014:641814. doi: 10.1155/2014/641814

Table 6.

Stability of free and microencapsulated Lippia graveolens H.B.K. and Origanum vulgare L. essential oils at 25% at 4°C. Antimicrobial activity is shown as inhibition zone (mm) using Micrococcus luteus.

Refrigerated storage (months)	MXO essential oil (mm)	Microencapsulated MXO essential oil (mm)	EUO essential oil (mm)	Microencapsulated EUO essential oil (mm)
0	83.08^a ± 0.09	43.58^a ± 0.08	75.19^a ± 0.1	28.33^a ± 0.81
3	49.27^b ± 0.99	42.74^a ± 1.30	25^b ± 0.01	28.17^a ± 1.01

Means within a column not showing a common superscript letter are different (P < 0.05).