Oregano (Origanum vulgare)
Overview
Oregano (Origanum vulgare) is an upright perennial up to around 32 in (80 cm), bearing square red stems, elliptical leaves, and clusters of deep pink flowers. Strongly antiseptic and aromatic, oregano is useful for respiratory, digestive, and fungal infections, as well as being a culinary herb.
Traditional uses & properties
Antifungal & Antimicrobial: Useful for certain gut infections and dysbiosis; can combat E. coli, Candida, and other pathogens. Expectorant & Respiratory Aid: Aids bronchitis, coughs, and chest congestion. Carminative & Aromatic: Helps soothe indigestion, gas, and bloating; a valuable culinary herb. Insect Repellent: Some research suggests oregano’s volatile oils can deter certain insects.
Preparations & dosage
Dried leaf (1:5, 65% alcohol, 10% glycerin); 1–2 ml (0.2–0.4 tsp.) 3–4 times daily
2–4 ounces 1–4 times daily
Fresh leaf (1:8, 80% glycerin sealed simmer method); dried leaf (1:6); 1–2 ml (0.2–0.4 tsp.) 3–4 times daily
Safety & precautions
Pregnancy: Avoid in large amounts due to possible uterine stimulation. Essential Oil: Toxic to the liver when taken internally; external use must be diluted. Skin Irritation: Potentially irritating topically.
Habitat
Native to Europe, naturalized in the Middle East, oregano prefers chalky soils near the coast. It is harvested in summer when in flower. The aerial parts and essential oil are used.