The use of fermentation is as old as agriculture itself, which anthropologists estimate began in 8,000 BC. The first experiments that humanity made with fermentation to produce wine date from 7,000 BC in the Middle East. And according to hieroglyphics, the Egyptians in 3,000 BC already used yeast to make bread. In those times the biochemical process of fermentation, responsible for these actions, was seen as something mysterious and even magical.
Only two centuries ago, we began to understand this important process, when in 1854 the French chemist Louis Pasteur determined that fermentation is caused by yeast. In very simple terms, yeast is an unicellular microorganism classified as a fungus, which perform the decomposition of sugars by alcoholic fermentation.
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