essential oils may be able to be used as food preservatives in packaging to help extend the shelflife of food products.  essential oils are aromatic oily liquids extracted from different parts of plants roots, peels, leaves, seeds, fruits, barks and have been shown to be a good source of antioxidative and antimicrobial properties.  essential oil incorporation into packaging may improve water vapor barrier properties of proteinbased films, increase the strength of the film and resistance to stretching, decrease transparency, and help prevent food spoilage by interacting with the films other properties.  source httpwww.labmanager.comnews201407essentialoilsmayprovidegoodsourceoffoodpres…