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Cupuaçu - the taste of the Amazon

Wolfgang Stuppy
20 August 2013
In the latest of his bite-sized posts about weird and wonderful edible plants to accompany Kew's Incredibles festival, Kew's resident seed morphologist Wolfgang Stuppy tells us about Cupuaçu, the national fruit of Brazil.

Coo poo asoo

When I got to Manaus in the heart of the Amazon rainforest for the first time, I was shocked to find I had never heard of cupuaçu (pronounced ‘coo poo asoo’) before. It is, I was told by locals, the most famous and original fruit of the Amazon basin. In fact, cupuaçu is considered to be the ‘taste of the Amazon’ and in March 2008 it was even declared the national fruit of Brazil. So what is a cupuaçu? And just how does it taste?


Theobroma grandiflorum fruit
The fruit of a cupuaçu (Theobroma grandiflorum) growing in the Amazon

Cocoa cousin

Turns out it’s a kind of chocolate! Well, sort of. Cupuaçu (Theobroma grandiflorum) is a very close relative of cocoa (Theobroma cacao), the main ingredient in chocolate. Both species are indigenous trees of the Amazon rainforest and native tribes have used their fruits as a food source for centuries if not millennia.


Theobroma grandiflorum and T.cacao flowers
Above left: Flower of cupuaçu (Theobroma grandiflorum). Above right: flowers of cocoa (Theobroma cacao) flower

Juicy seeds

These very interesting-looking flowers give rise to large pods with a thick and tough brown (cupuaçu) or yellow to orange (cocoa) rind. Inside their hard shell the fruits of both cocoa and cupuaçu contain a white or yellowish juicy lump which consists of numerous large seeds covered in soft, fleshy seed coats.


Theobroma cacao fruits and fleshy seeds
Fruits of cocoa (Theobroma cacao) on the tree (left) and cut in half (right), revealing the fleshy seeds, one of which has already started germinating

Bizarre flavours

The cupuaçu doesn’t taste like anything else. Its rich, voluminous flavour is sweet, sour and slightly tart at the same time, with a very pleasant but heavy fruity component reminiscent of a mix of pear, banana and pineapple. On top of all this lies a rather strong hint of something bizarre, almost artificial, that to me tastes like a mix of aniseed and wintergreen or perhaps the resinous aroma of mango skin. To put it short, it simply tastes like cupuaçu!

Amazonian superfood

The fresh pulp of cupuaçu is either eaten raw or turned into refreshing drinks, ice cream, pastries, candies, jams etc. Because of its high levels of antioxidants (anti-ageing effect!) cupuaçu has been touted by some as the next Amazonian ‘superfood’. The fruits of the açai palm (Euterpe oleracea, Arecaceae) and guaraná (i.e. the seeds of Paulinia cupana, Sapindaceae), both also from the Amazon region, have already caused some recent ‘health-food excitement’ in North America and Europe.


Guarana seeds and Paullinia pinnata fruits
Above left: seeds of guarana (Paullinia cupana) for sale at a market in Manaus. Above right: fruits of Paullinia pinnata which look very similar to those of guarana

Perhaps one detail too many

Because of its low melting point, the fat (‘butter’) extracted from the seeds of both cupuaçu and cocoa is used as a base for suppositories.

Read the whole fascinating story at my post The taste of the Amazon.

- Wolfgang -

IncrEdible festival attractions

Visit Kew's IncrEdibles Festival to find out more about the amazing world of edible plants.

Tutti Frutti Boating Experience Take a ride on the Tutti Frutti Boating Experience with Bompas & Parr and enter the secret banana grotto, beneath Pineapple Island!

Food and Drink Taste our Amazing ice-cream, take part in the IncrEdibles Tasty Trail, enjoy an IncrEdibles Barbeque, sample ales, beers and ciders from around the country, and more.

Family Fun Join in the Rose Garden Tea Party, get the little ones' faces painted, and more.

IncrEdibles Attractions Explore the The Global Kitchen Garden, discover something tasty in the Tropical larder, pick up spicy chilli recipes at the Flavour Fiesta, and more.


26 August 2013
Hello everyone, I liked this page because I brought up in Manaus-Amazon and I used to eat cupuacu nearly every day, with cupuacu you can make juice, sweets, ice cream, it is so taste and rich in vitamin C and it tastes like sour and it is a little bit strong we need to put a lot of sugar, we can't eat it alone, pure, we need to mix with water or milk. Congratulations for this amazing documentary about fruits from my city.
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