Soju, shochu or sake: which Asian liquor reigns supreme?

Though similar in name to soju, shochu is a distinctly Japanese spirit. Still, the two do share a few traits. Both can be made from a variety of bases, including rice (kome-jochu), sweet potato (imo-jochu) and barley (mugi-jochu). What sets shochu apart is its production process. The chosen base is first fermented using a special mould called koji, which breaks down starches into sugars. This mixture is then distilled and typically bottled at an alcohol level between 25 and 30 per cent. Legally, shochu must not exceed 45 per cent ABV.

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There are two widely recognised types of shochu in Japan: the higher-grade otsurui shochu, also referred to as honkaku shochu, and the more commonly distilled korui shochu. As honkaku shochu undergoes a single distillation, its production must adhere to strict guidelines designed to retain the integrity of its base ingredients. Korui shochu, by contrast, is distilled several times—a method that strips much of the original flavour, producing a clear, neutral spirit. The use of flavouring additives is strictly prohibited under Japanese law.

Enjoying shochu depends greatly on its quality. A well-crafted honkaku shochu is typically sipped neat to appreciate its aroma and character fully. When served with food, however, both honkaku and korui types are often poured over ice or diluted with water, lowering the alcohol content to around 12 to 15 per cent. Among Japan’s most prominent producers are Kirishima Shuzō—renowned as the country’s top-grossing shochu distillery—Sanwa Shurui, and Unkai Shuzō.

Sake is Japan’s national drink. Known locally as nihonshu—with nihon meaning Japan and shu meaning alcohol—it is crafted through the fermentation of rice, aided by koji, a beneficial mould that converts starch into sugar. Other components include water, yeast, and in some cases, a small amount of beer. This beverage has been part of Japanese culture for more than two millennia.

Sake typically contains between 1 and 22 per cent alcohol, with most varieties averaging 15 to 16 per cent. It may be served in many ways: chilled, warmed, at room temperature, or even over ice. Like fine wine or beer, sake is intended to be savoured slowly. Its taste can vary widely, depending on countless factors throughout the brewing process. There’s even a saying that there are 10,000 ways to craft sake, resulting in flavour notes that range from floral or fruity to nutty or earthy.

While many outside Japan pair sake with sushi, this is rarely the case in its homeland. There, sake is seen as an elegant palate cleanser, ideal between courses. The quality and price of sake depends on the degree to which the rice is polished before brewing. Typically, rice is milled down to about 10 per cent of its outer layer before reaching the brewery.

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With each drink introduced, we can now take a closer look at how these beloved Asian liquors differ.

Origin

Soju’s distillation techniques were brought to Korea during the Mongol invasions of the 13th century. Shochu, however, began to emerge in Japan sometime during the 15th or 16th centuries. Sake is the oldest of the three, with a history believed to stretch back 1,500 years, its development closely linked to the rise of rice cultivation in Japan.

Ingredients

Sake must be brewed exclusively from rice. Shochu and soju, on the other hand, can draw from a broader palette of ingredients, sweet potatoes and barley among them. Koji mould plays a role in the fermentation of both sake and shochu, though with distinctions: yellow koji is typically used for sake, while black or white koji is common in shochu. Interestingly, soju employs wild mushrooms in its production process.

Alcohol content

Sake tends to have a higher alcohol content than most fermented beverages. Topping out at 22 per cent, with an average between 15 and 16 per cent, it exceeds that of wine or beer. Even so, it falls short of shochu and soju, whose alcohol levels may range anywhere from 20 up to 45 per cent.

Production: fermentation vs distillation

The key difference between fermented and distilled drinks lies in the process. Distilled spirits such as whisky, soju and shochu undergo an extra step to concentrate their alcohol, making them notably stronger than beverages such as wine, beer, or sake. Sake, however, involves its own distinct method: a brewing approach known as multiple parallel fermentation, which sets it apart even among fermented drinks.

Flavour

Many assume that because sake is fermented from rice, its flavour profile is narrower than that of soju or shochu. In truth, factors such as the water source, rice variety, yeast strain and the deliberate omission of certain brewing steps create an impressive spectrum of sake flavours ranging from fruity and floral to earthy and full-bodied.

The most obvious difference between sake, soju and shochu lies in the strength of their alcohol. Some soju and shochu present a neutral character, reminiscent of vodka, while others offer distinct fruitiness. For example, shochu made from sweet potatoes often carries fruity or vegetal notes, whereas barley-based shochu typically exhibits a roasted barley taste.

What makes these drinks even more compelling is that each embodies a whole culture. Beyond their flavours, they tell stories. Sake, soju and shochu carry the histories of their countries and people across centuries. Exploring sake, for instance, reveals the discipline, skill and passion behind its creation and how these qualities mirror broader cultural values.

Sake, shochu and soju stand among the most celebrated alcoholic beverages in Japan and Korea, each distinguished by unique traits. Whether drawn to the refined subtlety of sake, the robust character of shochu or the smooth ease of soju, there is something for every palate. Next time you seek a new tipple, consider the rich world of Asian spirits.

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