A slender, graceful palm of the Arecaceae family, Açai is native to the seasonally inundated lowland forests of eastern South America, especially Brazil. Several stems sprout from its base and it can grow to about 15-25m high. It takes 4-5 years to mature. The roots are perfectly adapted to the seasonally inundated and waterlogged conditions of its habitat, by developing special root structures known as pneumatophores, better known as aerial roots, although some prefer to call them aerating roots. These vertically erect, pencil-like shoots grow from the submerged horizontal roots that are below the soil. They not only help to stabilize the plant and protect the soil from erosion, but also help the roots to obtain oxygen as they will be exposed to the ground above the mud or flooded ground.
The leaves of the Açai palm are typical, pinnate palm fronds that arise from a reddish
Açai juice and smoothies are all the
Recently its superfood properties have been hailed, and successfully marketed to the young fitness crowd. Amazing qualities are ascribed to it – like most superfoods it is said to improve everything from the tone of your skin to your sex drive and have anti-cancer properties, too. No wonder it sells like hotcakes. If you google Açai you will instantly get a return of 5 million (!) pages – mostly advertising some novel product based on the magic berry. There is no end to the hype. But is it really true? Searching for solid evidence that is based on actual studies, one is baffled to find – precious little. There has been almost no research on this fruit at all. The hype appears to mostly be marketing froth. A new food fad is born.
Not that the fruit is bad for you, far from it. It does indeed have quite an impressive amount of anthocyanin, the antioxidant substance that gives it its
One of the most common ways to consume it is as a kind of porridge. The berries are soaked in water in order to soften the outer skin so that the pulp can easily be separated from the seed. The resulting mash is a deep purple, shiny thick mass, which may be mixed with the pulp of manioc, a starchy vegetable, to make a filling porridge. The mash is also frequently eaten with granola and other fruits as an energizing ‘health food’. Or, it is diluted with water or other fruit juices to make the famous energy drink that has recently become so popular among urbanites throughout the Americas.
The rapid nutrient deterioration is not of great concern in the Amazon, where it is eaten pretty much right from the tree. But to preserve any of its potential benefits for consumers on the other side of the planet, it is necessary to preserve the fruit pulp for export. The usual method is to pasteurize it, which, however, is not terribly gentle and destroys some of the more fragile compounds. It is then frozen or freeze-dried, which further reduces any potential benefits. Thus, it seems like Brazilians are reaping most of the benefit, providing the juice is made in clean condition with clean water and equipment, compared to the processed derivatives found in juice bars or on supermarket shelves thousands of miles from the Amazon.
But business is booming. Dietary crazes have a way of catching on that defies any rationality. In Belem, the main market town in the middle of the Brazilian Amazon has an area solely dedicated to the sale of Açai berries, known as ‘Feira do Açai’, where more than 100 vendors sell 200,000kg of berries PER DAY during the dry season. And there is
Açai is also economically important for other reasons. It is currently the main source of palm hearts, locally known as ‘
The species is also important as a source of palm fronds, which are used for thatching roofs. A secondary product derived from Açai that plays an even greater role is unlikely to ever become a hit abroad – even though it is deemed a delicacy in the Amazon: the grubs of the palm beetle (Rhynchophorus palm beetle), which although highly nutritious and rich in protein is unlikely to win much
Some environmentalists welcome the growing popularity of Açai, as they see it as a sustainable non-timber forest product that can be successfully marketed to bring much needed economic benefits to
As for the current Açai craze – it is doubtful that it will last. Marketing buffs are very good at creating a buzz – preferably by throwing some sex into the marketing spin. The technique is not a new one. Even tobacco was once hyped and marketed along the very same lines. That particular craze had a long-lasting effect, mainly thanks to the addictive nature of tobacco, but exotic fruit crazes come and go – noni, mangosteen, kiwi – they all were once perceived as nutritional miracle bombs. No doubt they have their virtues, but are they really worth the money that millions of consumers are prepared to pay for the promise of ‘youth in a bottle’? Personally, I would prefer the local heroes – wild blueberries for example, fresh from the bush, no processing required and all nutritional benefits intact.
1-4% protein, 7-11% fats, 25% sugar, 0.05% calcium, 0.033% phosphorous, and 0.0009% iron. It also has some
In Brazil the oil of the fruit is obtained and used to treat diarrhea; a decoction of the roots is considered beneficial in cases of jaundice and boosts blood production. The grated fruit rind is infused to make a wash for skin ulcers, and the seeds are crushed and prepared as an infusion for treating fevers. In the Peruvian Amazon, an infusion of the crushed, toasted seeds is used to ally fevers, and a decoction of the root is used for malaria, diabetes, hepatitis and jaundice, hair loss, hemorrhages, liver and kidney diseases, menstrual pain, and muscle pain. (source: rain-tree)
Rain-Tree database https://www.rain-tree.com
Total oxidant scavenging capacities of Euterpe oleracea Mart. fruits, International Journal of Food Sciences and Nutrition, Volume 56, Issue 1 February
Farbatlas Tropenpflanzen, Andreas Bärtels, Eugen Ulmer Verlag 1996
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