Ingredient

Oolong Tea

Source
Not animal-derived
Allergen
No
Role in food
Oolong tea is primarily used as a flavouring ingredient in beverages, particularly in kombuchas …

What is Oolong Tea?

Oolong tea is a traditional Chinese tea made from the leaves of the Camellia sinensis plant. It is semi-oxidised, placing it between green tea (unoxidised) and black tea (fully oxidised). This partial oxidation gives oolong its unique flavour profile, which can range from light and floral to dark and roasted.

Is Oolong Tea vegan?

Oolong Tea is not animal-derived. Products that contain it can still include other animal-derived ingredients, so check the full ingredient list.

Is Oolong Tea gluten-free?

It does not contain gluten.

Is Oolong Tea a major allergen?

Oolong tea is not derived from any of the 14 major allergens that UK law requires to be emphasised on food labels.

What is Oolong Tea used for?

Oolong tea is primarily used as a flavouring ingredient in beverages, particularly in kombuchas and artificially sweetened drinks.

Is Oolong Tea safe?

Oolong tea is not a food additive and does not have an E-number.

Why it's used

Oolong tea is primarily used as a flavouring ingredient in beverages, particularly in kombuchas and artificially sweetened drinks. Its distinct taste and aroma can enhance the overall sensory experience of a product. It is also sometimes used in confectionery and baked goods for a subtle tea flavour.

Health notes

Oolong tea is not a food additive and does not have an E-number. It is a food ingredient derived from the Camellia sinensis plant. Like other teas, it contains caffeine and antioxidants, such as polyphenols. Research into the health effects of oolong tea consumption is ongoing, with some studies suggesting potential benefits related to metabolism and heart health, but evidence is mixed and more robust research is needed. The Food Standards Agency (FSA) and Food Standards Scotland (FSS) do not set specific intake guidelines for oolong tea as a food ingredient.

Allergen info

Oolong tea is not derived from any of the 14 major allergens that UK law requires to be emphasised on food labels. It does not contain gluten.

Foods that contain Oolong Tea

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Last updated: 17 October 2026

Note: This site presents label data from Open Food Facts for general information. It is not medical advice. Check the package label; formulations change.