Understanding what makes Tennessee whiskey unique

Freshly distilled, un-aged whiskey is filtered over charcoal made from the sugar maple tree in a mysterious, but necessary step known as the Lincoln County Process. By law, a product cannot be called Tennessee whiskey without it. Researchers now say they have some clues as to what the process imparts to the final product.

from Top Technology News -- ScienceDaily https://www.sciencedaily.com/releases/2019/03/190331192545.htm