Because neutral grain spirits are so pure and lack flavor, they can also be used for non-beverage/alcohol purposes, such as: ...

To understand how these flavors form ... fermentation of "wort" – the liquid produced from grain – to which yeast is added to produce alcohol (amongst other by-products) for eventual distillation.

If they had grain, they had alcohol.” Drinking vesselLi Liu ... brews were still a long way from modern beers, though, in flavor and appearance. Depictions of Sumerian beer-drinkers show ...