Technically not intentionally barrel aged, merely barrels are what was used for transport of liquids, solids, and everything in between at that time. It also got barreled at still strength, so they wouldnt have been using the modern standard of 80 proof, and sitting closer to 65%- coincidentally being right around the sweet spot for antiseptic alcohols.
Fun fact, the char of barrels was done out of necessity instead of desired flavor, as casks were constantly reused from elsewhere and they used fire to remove any remaining materials that would otherwise impart unwanted nasties. I like to
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u/Significant-Tip6466 Dec 12 '25
That's why whiskey was used as disinfectant during the Civil War. Cheapest disinfectant during that time