Oregano is a popular culinary herb that belongs to the mint family, scientifically known as Origanum vulgare. It is native to the Mediterranean region but is now widely cultivated around the world. Oregano leaves contain a strong aromatic flavor and are commonly used as a spice in various cuisines, particularly Italian and Mediterranean dishes.
Apart from its culinary uses, oregano has also been traditionally used for its medicinal properties and is believed to have antioxidant, antibacterial, and anti-inflammatory benefits.
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According to one literature overview, the oils and constituents of oregano oil, such as thymol and rosmarinic acid, appear to have anti-inflammatory properties.In animal studies, oregano extract has reduced inflammation that could lead to: autoimmune arthritis, allergic asthma & rheumatoid arthritis.It is worth noting that the studies used concentrated extracts of oregano. This is not the same as humans eating oregano in the diet.
Some of the ingredients in oregano may have anticancer properties. Scientists have found evidence that extracts may help prevent DNA damage in cells due to oxidative stress, radiation, and mitogens, a type of protein that can cause unwanted cell division. Researchers have also found evidence that carvacrol and thymol may prevent melanoma cells from growing and skin cancer from spreading.
Compounds in oregano may help manage type 2 diabetes. Authors of a 2016 rodent study concluded that Origanum extract may help: Improve insulin resistance, regulate the expression of genes that affect fat and carbohydrate metabolism, restore damaged liver and kidney tissues.
The authors noted that some people already use oregano leaves and oil to manage high blood sugar levels.
In 2018, scientists looked at how treatment with oregano oil and other substances affected rats with depression due to chronic unpredictable stress. After 14 days, stress-related behavior improved in rats that received the oregano treatment. The study authors concluded that oregano might relieve stress-related behavior.
