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?
The fruit of a cupuaçu (Theobroma grandiflorum) growing in the Amazon (Photo: Wolfgang Stuppy)
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.
Above left: Flower of cupuaçu (Theobroma grandiflorum). Above right: flowers of cocoa (Theobroma cacao) flower (Photo: Wolfgang Stuppy)
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.
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 (Photos: Wolfgang Stuppy)
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!
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.
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 (Photos: Wolfgang Stuppy)
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.
Week by week horticulturalists, botanists and attractions organisers from all around Kew Gardens wrote for this special IncrEdibles blog, describing behind-the-scenes experiences and sharing insights into the amazing world of edible plants.
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