Tequila colony size every four hours. This process goes on for 24–48 hours. Next, yeast turns acetaldehyde into ethyl alcohol which is known as one of the organoleptic compounds produced in fermentation. The two main categories of yeast used in tequila are commercial brewers yeast and yeast that comes from precultivated existing yeast that has been preserved. The use of either type of yeast can result in different end products of tequila. Tequila is a distilled beverage that is made from the fermentation of the sugars found from the blue agave plant once it has been cooked, the main sugar being
Tequila and 55% alcohol content (62 and 110 U.S. proof). Per U.S. law, tequila must contain at least 40% alcohol (80 U.S. proof) to be sold in the United States. Tequila was first produced in the 16th century near the location of the city of Tequila, which was not officially established until 1666. A fermented beverage from the agave plant known as pulque was consumed in pre-Columbian central Mexico before European contact. When the Spanish conquistadors ran out of their own brandy, they began to distill agave to produce one of North America's first indigenous distilled spirits. Some 80 years later,