Russian cuisine results in a beverage with very low alcohol content. Commercial kvass is often around 0.5% alcohol. The fermented liquid, referred to as "zator," is diluted with water and mixed with yeast, sugar, and aromatic additives. This final mixture is allowed to brew for several days. Flavor additives may include fruit and berry juices (cherry, raspberry, lemon, etc.), as well as ginger and mint. Sbiten, another non-alcoholic drink, is made of honey, water, fruit juices, and spices. Sbiten was once the most popular non-alcoholic beverage in the country, but in the last few centuries it has been superseded and largely replaced
Fermented tea Fermented tea Fermented tea (also known as post-fermented tea or dark tea) is a class of tea that has undergone microbial fermentation, from several months to many years. The exposure of the tea leaves to humidity and oxygen during the process also causes endo-oxidation (derived from the tea-leaf enzymes themselves) and exo-oxidation (which is microbially catalysed). The tea leaves and the liquor made from them become darker with oxidation. Thus, the various kinds of fermented teas produced across China are also referred to as dark tea, not be confused with black tea. The most famous fermented tea is Pu-erh, produced