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Soju and its History

Soju (Hangul 소주; Hanja 燒酒) is a distilled beverage native to Korea. Most brands of modern soju are made in South Korea. Though traditionally made from rice, most major brands supplement or even replace the rice with other starches such as potato, wheat, barley, sweet potato, or tapioca (called dangmil in Korean). Soju is clear in colour and typically varies in alcohol content from about 20% to about 45% alcohol by volume (ABV), with 20% ABV being most common. Its taste is comparable to vodka, though often slightly sweeter because of the sugars added in the manufacturing process. It is widely consumed, in part, because of its relatively low price. A typical 300mL bottle of soju costs the consumer 1,000 to 3,000 South Korean Won (roughly $1 to $3 United States Dollars.) Soju was first distilled around 1300s during the Mongol invasions of Korea. The Mongols had acquired the technique of distilling arak from the Pers... read more

The raw materials of alcoholic beverages

The names of some beverages are determined by the source of the material fermented. In general, a beverage fermented from a starch-heavy source (grain or potato), in which the starch must first be broken down into sugars (by malting, for example), will be called a beer; if the mash is distilled, the end product is a spirit. Wine is made from fermented grapes. Brandy and wine are made only from grapes. If an alcoholic beverage is made from another kind of fruit, it is distinguished as fruit brandy or fruit wine. The variety of fruit must be specified, as (for example) “cherry brandy” or “plum wine”. In the USA and Canada, cider often means unfermented apple juice (see the article on cider), while fermented cider is called hard cider. Unfermented cider is sometimes called sweet cider. In the UK, cider refers to the alcoholic drink; in Australia the term is ambiguous. Beer is ge... read more

Chemistry and toxicology

Ethanol (CH3CH2OH), the active ingredient in alcoholic drinks, for consumption purposes is always produced by fermentation – the metabolism of carbohydrates – by certain species of yeast in the absence of oxygen. The process of culturing yeast under alcohol-producing conditions is referred to as brewing. The same process produces carbon dioxide in situ, and may be used to carbonate the drink. However, this method leaves yeast residues and on the industrial scale, carbonation is usually done separately. Drinks with a concentration of more than about 50% ethanol by volume (100 US proof) are flammable liquids and easily ignited. Some exotic drinks gain their distinctive flavors through intentional ignition, such as the Flaming Dr Pepper. Spirits with a higher ethanol content can be ignited with ease by heating slightly, e.g. adding the spirit to a warmed shot glass. In the liver, the enzyme alcohol dehydrogenase oxidizes ... read more