Uso de óleo essencial de orégano (origanum vulgare l.) como conservante de alimentos: uma revisão bibliográfica

Abstract

The essential oils, which are extracted from plants, have antibacterial activity over multiple microorganisms. Various plants can be utilized for essential oil extraction, and among them, oregano (Origanum vulgare L.) deserves some highlight. Therefore, the aim of this study was to evidence the antimicrobial and antioxidant activity of the essential oil extracted from oregano and it's possible use as food preservative. For this, a systematically review of the literature was conducted encompassing studies published so far as july 2021, through the databases Google Scholar, Scielo and CAPES, from which 37 papers that assessed oregano's essential oil and other varieties. One can infer that the essential oil from oregano is a potential substitute to chemical additives, for it was verified that this oil shows satisfactory antimicrobial and antioxidant activity, however, more studies are needed for large scale aplication due to lack of standardization in oil composition.