Water kefir is a fermented drink made by adding kefir grains to a sugar water solution. The grains contain bacteria and yeast that consume the sugar and produce probiotics, lactic acid, and some alcohol. The resulting drink can be flavored and is rich in probiotics, lactic acid, and vitamins.
Water kefir is a drink made by fermenting sugar water with grains called kefir. Kefir grains are made up of different types of bacteria and yeast. When grains are added to sugar water, the yeast and bacteria eat up the sugar and make healthy bacteria, called probiotics, as well as lactic acid and some alcohol. The cultures used to ferment water kefir are different from those used to make a similar beverage known as milk kefir. After fermentation, water kefir can be flavored with fruit or other ingredients.
The process of making water kefir begins by creating a solution of sugar and water. The sugar water serves as food for the active bacteria and yeast in kefir. The grains are added to water and left to sit for 24 to 48 hours. During this time, the bacteria grow and the water turns a pale brownish color. While alcohol is produced in the process, it is usually not present in the water in significant quantities.
The kefir grains used during the brewing process don’t actually dissolve. Instead, the grains grow in size as more bacteria and yeast are produced. When the water is finished, the grains can be removed from the liquid and set aside for future use. There are many combinations of bacteria in kefir cultures, allowing for different waters, each with slightly different properties. Variations in the composition of kefir grains are both regional and based on the bacterial culture originally used to make the water.
While the water kefir is fermenting, lactic acid is produced. Lactic acid is a vital part of the human body and is required for the proper health and functioning of various organs and tissues. Water is able to supply this acid without a person needing to consume dairy products, where it is normally found.
A number of beneficial bacteria known as probiotics also grow in the water. Probiotics aid digestion by destroying harmful bacteria in the body and are thought to provide some relief to those suffering from various illnesses. Water also contains several vitamins, including B12.
When water kefir is created, it releases carbon dioxide as bacteria consume the sugars. This means that sealing the container used for brewing can make the water carbonated. Likewise, water can remain plain if carbon dioxide escapes from the container.
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