Origanum vulgare L. is a member of plant family Lamiaceae and is an herbal medicine that is used as an anti-septic for burns and colds, has strong anti-oxidant property, and anti-bacterial property that has been attributed mainly to carvacrol and thymol, which are the main components of oregano’s essential oil. Oregano’s dried herbs, leaves and essential oils are used for rheumatoid arthritis, respiratory disorder and indigestion. (J. Coccimiglio, M. Alipour, Z. Jiang et al., 2016). The leaves of oregano contains a variety of chemical compounds, including ursolic acids, and phenolic glycosides. Oregano’s oil has the highest capability on antibacterial activity. The screening of antibacterial activity of Origanum vulgare L. was performed by standard disc diffusion method. Hydro distillation was used in testing the effects of oregano on Staphlococcus aureus and Staphylococcus epidermidis.
Oregano is not simply one, but there are many species that contributes for its use. Oregano has been cultivated in Mediterranean area. Oregano is a spice variety that has naturalized in Europe, Mexico and in America. In Greece, oregano is used as a remedy to treat upset stomach and colds. In Egyptian times, oregano was used as herbal remedy for cuts, burns and bruises. In China, it was used to relieve fever, jaundice, itchy skin and diarrhea.