Aromatic Fruit

Uyayak

Aidan fruit

Tetrapleura tetraptera

An aromatic dried fruit used to perfume broths and regional soups.

Editorially reviewed
Dark dried Tetrapleura tetraptera uyayak fruit
Tetrapleura tetraptera fruit / Wikimedia Commons / CC BY-SA 4.0

Ingredient record

Names & identity

Names can vary by language, market and region. Only reviewed names are displayed here.

Nigerian/common nameUyayak
English/common nameAidan fruit
Botanical nameTetrapleura tetraptera
Also known asAidan Fruit

What is Uyayak?

Uyayak is an aromatic dried fruit of Tetrapleura tetraptera. The woody fruit has four prominent longitudinal wings and is simmered to perfume soups and broths.

What is Uyayak called in English?

Aidan fruit is a common English market name. Aridan and prekese are also encountered, but naming differs across West Africa and should not be treated as one language-neutral term.

Flavour & identification

What does it taste like?

Sweetly aromatic, woody and warming

What does it look like?

The whole fruit is long, dark and woody with four raised wings running along its length. Its shape is highly distinctive.

Using Uyayak in Nigerian cooking

How is it used?

Break or bruise a section and simmer in broth; remove larger pieces before serving.

Which dishes use it?

Regional pepper soups
Aromatic broths
Soup spice blends

How do you prepare it?

Rinse, break or bruise a section and simmer it in liquid. Remove large woody pieces before serving unless a recipe specifies otherwise.

How much should you use?

Start with a small broken section rather than a whole large fruit. Aroma varies by size and freshness.

Whole vs ground

Whole pieces are easy to remove and keep longer. Ground fruit disperses throughout the dish and should be used carefully.

Buying, storing & substituting

How to store it

Keep dry and protected from moisture.

Possible substitutes

There is no close substitute for its sweet, woody aroma.

Supporting research

Ingredient research

Preclinical or nutritional evidence only

Reviews describe nutrients and bioactive compounds in Tetrapleura tetraptera, but most claimed biological effects come from laboratory or animal studies. Human clinical evidence for culinary uyayak is insufficient, so claims about blood pressure, diabetes, infection or cancer should not be made from the current evidence.

  1. Research source 1 ↗
  2. Research source 2 ↗
Not medical advice. Traditional use is not the same as clinical evidence. This ingredient is not presented as a treatment, cure or way to prevent disease.
How we assess ingredient research →

Sources & further reading

  1. powo.science.kew.org
  2. repository.mouau.edu.ng

Reviewed by Nigerian Spices editorial desk, 27 August 2026.

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