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This means that the beer has smaller bubbles and a more creamy and stable head. [6] These less soluble inert gases give the beer a different and flatter texture. In beer terms, the mouthfeel is smooth, not bubbly like beers with normal carbonation. Nitro beer (for nitrogen beer) could taste less acidic than normal beer. [7]
The Standard Reference Method or SRM [1] is one of several systems modern brewers use to specify beer color. Determination of the SRM value involves measuring the attenuation of light of a particular wavelength (430 nm) in passing through 1 cm of the beer, expressing the attenuation as an absorption and scaling the absorption by a constant (12.7 for SRM; 25 for EBC).
In commercial brewing, natural carbonation is often replaced with forced carbonation. Beer is distributed in bottles and cans, and is commonly available on draught in pubs and bars. The brewing industry is a global business, consisting of several dominant multinational companies and many thousands of smaller producers ranging from brewpubs to ...
The strength of beer is measured by its alcohol content by volume expressed as a percentage, that is to say, the number of millilitres of absolute alcohol (ethanol) in 100 mL of beer. The most accurate method of determining the strength of a beer would be to take a quantity of beer and distill off a spirit that contains all of the alcohol that ...
The carbonation can occur before or after bottling the beer. If the beer continues fermenting in the bottle, then it naturally carbonates and the head is formed upon opening and pouring the beer. If the beer is pasteurized or filtered then the beer must be force carbonated using pressurized gas.
In homebrewing, adding priming sugar, malt extract, or carbonation tablets at bottling time to beer that has had its fermentable sugar content totally consumed is the safest approach to carbonation. Exceeding recommended levels of priming sugar for a given recipe can result in exploding bottles (aka "bottle bombs"), as is using inappropriate ...
The OE (Original Extract) is often referred to as the "size" of the beer and is, in Europe, often printed on the label as Stammwürze or sometimes just as a percent. In the Czech Republic, for example, common descriptions are "10 degree beers", "12 degree beers" which refers to the gravity in Plato of the wort before the fermentation.
In contrast, natural carbonation is removed from standard beer and ale during filtering, requiring them to be artificially re-carbonated (and often very 'gassy'). Real ales are served "bottle conditioned", gravity direct from the cask, or hand pumped .