Oregano (Origanum vulgare), a plant belonging to the mint family, originated in Greece. Due to its strong aroma, it has been used as a spice for a long time in Spain and the Mediterranean region, and is also known as the "pizza spice". Oregano contains over 50 compounds, with oregano essential oil as its main functional component, accounting for 94% of the total. Due to its excellent antibacterial and anti-inflammatory effects, and lack of drug resistance, it is known as a "natural antibiotic". Oregano essential oil has significant antibacterial effects on most Gram positive and Gram negative bacteria, and has the effect of improving the body's immunity without toxic side effects....