Oolong tea is a traditional Chinese tea. It’s made from the leaves of the Camellia sinensis plant, the same plant used to make green tea and black tea. The difference is in how to the tea is process.
The process of oxidation is what creates green, dark, or oolong teas.UFABET
Green tea is produced from fresh tea leaves that have not undergone oxidation. A chemical reaction that begins when the leaves are exposed to the air. And which is responsible for the color and taste of different types of tea. Black tea is created when leaves are fully crush to enhance oxidation, and oolong is created. When leaves are wilte in the sun and slightly bruised to create partial oxidation

Nutrients in oolong tea
Similar to black and green teas, oolong tea contains several vitamins, minerals, and helpful antioxidants.
A cup of brew oolong tea contains small amounts of calcium, magnesium, and potassium. It also contains about 38 mg of caffeine. In comparison, a cup of green tea contains about 29mg of caffeine.
Some of the main antioxidants in oolong tea. Known as tea polyphenols, are theaflavins, thearubigins, and EGCG. These are responsible for many of its health benefits .
Also contains L-theanine, an amino acid show to have positive effects on relaxation and cognitive performance.
May help protect against diabetes
In general, tea has been shown to help protect against diabetes and complications from diabetes, possibly by easing insulin resistance and decreasing inflammation, among other mechanisms.
Accordingly, a study from 2021 and a review from 2019 both report links between regular tea consumption, improved blood sugar management, and a lower risk of developing type 2 diabetes.
However, the specific effects are generally not as well researched as those of green or black tea.