What is the name of this traditional Slavic and Baltic fermented beverage that is used for a flavor in Fruktime and commonly made from rye bread whose colour contributes to the resulting colour of the drink?
Fruktime Fruktime - a series of the carbonated soft drinks which are on sale in Russia and Ukraine, distribtuted by The Coca-Cola Company. It is made in various flavouring variants: Buratino (caramel), Tarhun (tarragon), Hand bell, Lemonade, Pear, Strawberry, Apple, Cream soda, Kvass, and Baikal (Natural).
Kyselo Kyselo (or krkonošské kyselo) (German: "kübelsauer" , Czech: "kyselo" ) is a soup based on sourdough and mushrooms. It is a traditional Czech cuisine from poor folk food originating in the Northern Bohemia mountain region Krkonoše. It is very substantial and it contains an abundance of quality proteins, B vitamins, dietary fiber and other important nutrients. Usage of sourdough is closely related to fermented flour usage in the Polish sour rye soup.