Tequila, Jalisco town of Tequila, the chimneys of the distilleries, the agave plant and Tequila Mountain. The first peoples to live in this area were probably the people from the shaft tomb culture during the Middle Formative Period. By the Late Formative and Classic period, the Teuchitlan tradition entered the region. Several guachimonton complexes were built nearby such as Huitzilapa to the west and Amatitan to the east. The Epiclassic saw an intrusion of peoples from the Bajio region during a period of intense drought bringing with them many Central Mexican characteristics. By the Postclassic a variety of ethnic identities were in
Tequila fruitier-tasting tequila, while lowland agaves give the tequila an earthier flavor. Unlike other tequila production steps, fermentation is one of the few steps out of the control of human beings. Fermentation is the conversion of sugars and carbohydrates to alcohol through yeast in anerobic conditions, meaning that oxygen is not present during the process. Fermentation is also carried out in a non-aseptic environment which increases the bacterial activity of tequila. The participation of microorganisms from the environment (yeasts and bacteria) makes fermentation a spontaneous process which gives rise to many byproducts that contribute to the flavor and aroma of tequila.