Corn whiskey is not considered bourbon because of the specific regulations and requirements set forth by the United States government. While both corn whiskey and bourbon are types of whiskey, they have distinct differences in terms of ingredients, production methods, and aging processes.
One of the main factors that differentiate corn whiskey from bourbon is the corn mash content. Corn whiskey must have a corn mash content that exceeds 80%, meaning that at least 80% of the grain used in the production of the whiskey must be corn. In contrast, bourbon is required to have a mash bill that contains at least 51% corn, but it can also include other grains such as barley, rye, or wheat.
Another key difference lies in the aging process. To be considered bourbon, the distillate must be aged in new oak barrels that have been charred on the inside. This charring process imparts unique flavors and characteristics to the bourbon during the aging process. On the other hand, corn whiskey is typically aged in used barrels or uncharred barrels, which allows the spirit to develop its own distinct flavor profile without the influence of the charred oak.
The regulations surrounding barrel aging are more strict for bourbon than for corn whiskey. This is because the aging process plays a crucial role in the development of bourbon's flavor and character. The use of new oak barrels and the charring process contribute to the rich and complex flavors that are associated with bourbon. Corn whiskey, on the other hand, is given more flexibility in terms of barrel aging, allowing for a wider range of flavor profiles to emerge.
It is important to note that the distinction between corn whiskey and bourbon is not merely a matter of semantics, but rather a legal and regulatory one. The U.S. government has established specific guidelines and requirements for each type of whiskey, and these regulations help to ensure that consumers are getting a product that meets certain standards of quality and authenticity.
In my personal experience as a sommelier and brewer, I have had the opportunity to taste and compare various types of whiskey, including both corn whiskey and bourbon. The differences in flavor, aroma, and overall character between the two are quite noticeable. Corn whiskey tends to have a slightly sweeter and lighter profile compared to bourbon, which often exhibits more robust and complex flavors. These differences can be attributed to the variations in ingredients and aging methods used in the production of the two spirits.
Corn whiskey is not considered bourbon due to the specific regulations and standards set forth by the U.S. government. The higher corn mash content and the use of used or uncharred barrels in aging distinguish corn whiskey from bourbon. These distinctions result in differences in flavor, aroma, and overall character between the two spirits. Understanding these differences can enhance one's appreciation and enjoyment of both corn whiskey and bourbon.