Prohibited under US law, there is an aromatic seed that, according to the best chef in the world, provides one of the most delicious flavors in the world .However, its excessive consumption can reach be fatal.Discover what it is.
Among the most delicious flavors, one is so toxic that it could kill you
The use of this seed has led to raids by security forces and massive animal deaths.However, in the United States, chefs have clandestine " distributors" that introduce them to the country.
These are the beans tonka , the aromatic seed of a giant tree from the depths of the Amazon rainforest.
When sprinkled on desserts or infused in syrups, they give a such a transcendent flavor , tonka has been dubbed the most delicious ingredient in the world.

According to Thomas Raquel, chief bakery at Le Bernardin, with Michelin stars, in New York, as long as a quantity is not used Copious of it is really delicious.Add that obviously an excessive dose could cause death .
The sale of tonka beans to eat has been legal in the USA.Since 1954 .Foods containing tonka are considered "adulterated," although that has not prevented them from appearing on Michelin-starred restaurant menus, from New York to California.In fact, the United States is the largest tonka importer of the planet.
These seeds contain unusually high levels of chemical coumarin , which gives them their flavor and is naturally found in hundreds of plants, including lavender and cherries That's why, even if you've never seen a tonka bean in your life, there's a good chance that you know they smell without realizing it.
Coumarin was first isolated from tonka beans in 1820 and its name comes from the Caribbean term for the tonka tree, ‘coumarou’ .Shortly thereafter, the English chemist Wiliam Henry Perkin, best known for inventing the first synthetic dye, discovered how to do it in the laboratory.
In the 1940s, artificial coumarin was really popular.As one of the first synthetic additives, it was very cheap. It was widely used instead of natural vanilla , added to chocolate, sweets and even soft drinks.It quickly became a basic ingredient in tobacco and lent its complex aroma to the perfume industry.
But there was a problem. Studies in dogs and rats revealed that it was toxic , with relatively low levels causing considerable damage to the liver in just a few weeks.Sheep, only 5 g (about two teaspoons) are fatal.Both tonka and coumarin were declared banned.
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