Kefir is a cultured, creamy product with amazing health attributes. Its tart and refreshing flavor is similar to a drinking-style yogurt, but it contains beneficial yeast as well as friendly 'probiotic' bacteria found in yogurt. The naturally occurring bacteria and yeast in kefir combine symbiotically to give superior health benefits when consumed regularly. It is loaded with valuable vitamins and minerals, it contains easily digestible complete proteins, and it boasts natural antibiotic properties - a natural antibiotic made with milk!
For the lactose intolerant, kefir's abundance of beneficial yeast and bacteria provide lactase, an enzyme which consumes most of the lactose left after the culturing process.
Kefir can be made from any type of milk, cow, goat or sheep, coconut, rice or soy. Although it is slightly mucous forming, the mucous has a "clean" quality to it that creates ideal conditions in the digestive tract for the colonization of friendly bacteria.
Kefir is made from gelatinous white or yellow particles called "grains." This makes kefir unique, as no other milk culture forms grains. These grains contain the bacteria/yeast mixture clumped together with casein (milk proteins) and complex sugars. They look like pieces of coral or small clumps of cauliflower and range from the size of a grain of wheat to that of a hazelnut.
Some of the grains have been known to grow in large flat sheets that can be big enough to cover your hand! The grains ferment the milk, incorporating their friendly organisms to create the cultured product. The grains are then removed with a strainer before consumption of the kefir and added to a new batch of milk, allowing the process to continue indefinitely.
Using kefir grains or the mother culture requires straining the kefir and rinsing the culture after each batch. Because this method requires several steps and may be inconvenient for some people, the recommended method for making a new batch of kefir is to use powdered kefir grains. These can be added directly to milk and left to incubate at room temperature for 24 hours.
Both kefir and yogurt are cultured milk products, but they contain different types of beneficial bacteria. Yogurt contains transient beneficial bacteria that keep the digestive system clean and provide food for the friendly bacteria that reside there. But kefir can actually colonize the intestinal tract, a feat that yogurt cannot match.
Kefir contains several major strains of friendly bacteria not commonly found in yogurt, Lactobacillus Caucasus, Leuconostoc, Acetobacter species, and Streptococcus species. It also contains beneficial yeasts, such as Saccharomyces kefir and Torula kefir, which dominate, control and eliminate destructive pathogenic yeasts in the body. They do so by penetrating the mucosal lining where unhealthy yeast and bacteria reside, forming a virtual SWAT team that housecleans and strengthens the intestines. Hence, the body becomes more efficient in resisting such pathogens as E. coli and intestinal parasites.
Kefir's active yeast and bacteria provide more nutritive value than yogurt by helping digest the foods that you eat and by keeping the colon environment clean and healthy.
Because the curd size of kefir is smaller than yogurt, it is also easier to digest, which makes it a particularly excellent, nutritious food for babies, invalids and the elderly, as well as a remedy for digestive disorders.
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