In addition, EOs, are gaining in interest for their potential as preservatives and as decontamination agents, since such substances have been recognized as safe (GRAS) and are widely accepted by consumers (Burt, 2004). However, these properties are not always detectable with the same efficiency in all plants, even in the same species, this occurs because the efficiency of the EOs depends on its chemical composition, and the composition depends on the genotype of the plant as well on the environmental and agronomic conditions