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A low-ABV beer, meanwhile, is somewhat arbitrarily considered lower than 5% ABV, and almost any beer style can fit into this category, from lagers to wheat ales, sours, stouts and even IPAs.
Many beer styles are classified as one of two main types, ales and lagers, though certain styles may not be easily sorted into either category.Beers classified as ales are typically made with yeasts that ferment at warmer temperatures, usually between 15.5 and 24 °C (60 and 75 °F), and form a layer of foam on the surface of the fermenting beer, thus they are called top-fermenting yeasts.
The categories are varied and include processes or ingredients not usually regarded as defining beer styles in themselves, such as cask ale or gluten-free beer. [ 2 ] [ 3 ] [ 4 ] Beer terms such as ale or lager cover a wide variety of beer styles, and are better thought of as broad categories of beer styles.
Lager uses a process of cool fermentation, followed by maturation in cold storage. The German word "Lager" means storeroom or warehouse. The yeast generally used with lager brewing is Saccharomyces pastorianus. It is a close relative of the Saccharomyces cerevisiae yeast used for warm fermented ales. [citation needed]
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Angel Planells, a registered dietitian and spokesperson for the Academy of Nutrition and Dietetics, explains that there are two main categories of beer: ales and lagers. Ales, including pale ales ...
A basic formula [4] to calculate beer strength based on the difference between the original and final SG is: A B V = 131.25 ( O G − F G ) {\displaystyle ABV=131.25(OG-FG)} The formula below [ 5 ] is an alternate equation which provides more accurate estimates at higher alcohol percentages (it is typically used for beers above 6 or 7%).
Alcohol measurements are units of measurement for determining amounts of beverage alcohol.Alcohol concentration in beverages is commonly expressed as alcohol by volume (ABV), ranging from less than 0.1% in fruit juices to up to 98% in rare cases of spirits.