The Poison We Drink: Detoxifying Cassava by Brewing Masato in South America
Cassava is a common crop with a curious secret. It is full of cyanide. Raw cassava can kill adult humans, but modern and traditional processing techniques make the tuber edible. In the case of Amazonian people, fermentation makes cassava drinkable. Slightly alcoholic beers made from the root are common across the Amazon Basin.