How does U.S. Standards define grain spirits?

Grain spirits are defined under U.S. Standards as neutral spirits that are produced from fermented grain mash. This definition emphasizes the use of grains—such as corn, wheat, rye, or barley—as the primary ingredient in the fermentation process. The reference to “neutral spirits” indicates that these spirits are typically distilled to a high proof, resulting in a clean, neutral flavor profile that allows for versatility in cocktails and other mixed drinks.

The specification that grain spirits must be stored in oak relates to certain regulations around the aging process and the resultant flavors that can develop. This storage can impart additional characteristics, though technically, the core definition focuses on their origins from grain rather than any aging requirements. Understanding this definition is crucial for those in the spirits industry, as it establishes the foundation for numerous products, including vodka and some gins, which fall under this classification.