Mild ale

Mild ale is a low-gravity beer with a predominantly malty palate that originated in Britain in the 17th century or earlier. Modern mild ales are mainly dark coloured with an abv of 3% to 3.6%, although there are lighter hued examples as well as stronger examples reaching 6% abv and higher.

The term mild originally meant young beer or ale as opposed to "stale" aged beer or ale with its resulting "tang". In more recent times it has been interpreted as denoting "mildly hopped".

Light mild is generally similar, but pale in colour, for instance Harveys Brewery Knots of May. There is some overlap between the weakest styles of bitter and light mild, with the term AK being used to refer to both. The designation of such beers as "bitter" or "mild" has tended to change with fashion. A good example is McMullen's AK, which was re-badged as a bitter after decades as a light mild. AK (a very common beer name in the 19th century) was often referred to as a "mild bitter beer" interpreting "mild" as "unaged".

Ale

Ale is a type of beer brewed using a warm fermentation method resulting in a sweet, full-bodied and fruity taste. Historically the terms "beer" and "ale" respectively referred to drinks brewed with and without hops. Over time, "beer" came to refer to all beers, though—after the development of cold fermented beer ("lager")—"ale" came to refer to warm fermented beers only.

Ale, as with most beers, typically has bittering agent(s) to balance the sweetness of the malt and to act as a preservative. Ale was originally bittered with gruit, a mixture of herbs (sometimes spices) which was boiled in the wort prior to fermentation. Later, hops replaced the gruit blend in common usage as the sole bittering agent.

History of ale

Ale, along with bread, was an important source of nutrition in the medieval world, particularly small beer, also known as table beer or mild beer, which was highly nutritious, contained just enough alcohol to act as a preservative, and provided hydration without intoxicating effects. Small beer would have been consumed daily by almost everyone, including children, in the medieval world, with higher-alcohol ales served for recreational purposes. The lower cost for proprietors combined with the lower taxes levied on small beer led to the selling of beer labeled "strong beer" that had actually been diluted with small beer. In medieval times, ale may have been safer to drink than most water (the germ theory of disease was unheard of, and the sterilizing properties of boiling unknown); however, there is no period evidence that people were aware of this nor that they chose to drink ale for this reason. The alcohol, hops, and some ingredients in gruit used to preserve some ales may have contributed to their lower load of pathogens, when compared to water. However, ale was largely safer due to the hours of boiling required in production, not the alcoholic content of the finished beverage.