Kombucha, kefir, traditional buttermilk and other fermented beverages can provide probiotics and useful nutrients, although pasteurization, added sugars and acidity can substantially change their health value.
By yourNEWS Media Newsroom
Fermented beverages have been consumed for centuries, long before probiotics became a modern nutrition trend. Drinks such as kombucha, milk kefir, water kefir, kvass and traditional cultured buttermilk are produced with bacteria, yeast or both, creating foods that may contain live microorganisms capable of supporting the intestinal microbiome.
Fermentation works by allowing microorganisms to break down sugars into compounds including organic acids, gases and, in some preparations, small amounts of alcohol. The process can extend shelf life and alter flavor, texture and nutrient availability. Depending on the beverage and how it is produced, live cultures may include organisms from groups such as Lactobacillus, Bifidobacterium and Saccharomyces. These microorganisms are widely associated with the digestive system, and maintaining a diverse gut microbiome is linked to digestion, immune function and other aspects of health.
Kefir is among the most concentrated fermented drinks commonly available. Traditional milk kefir is created by fermenting milk with kefir grains, communities of bacteria and yeast that can produce a much broader mixture of microorganisms than conventional yogurt. Some preparations contain dozens of strains. Because it is dairy-based, milk kefir also supplies protein, calcium and vitamin A, making it potentially useful for both gut health and nutrition related to bones and muscle maintenance.
Water kefir provides a nondairy alternative. It is generally produced by fermenting sugar water with kefir grains and may be flavored with fruit, herbs or other natural ingredients. Fermentation consumes some of the original sugar, and minimally sweetened versions can contain less sugar than many commercial soft drinks while avoiding artificial colors and flavorings. The final sugar content, however, depends heavily on the recipe and length of fermentation.
Traditional buttermilk offers another source of cultured bacteria. Authentic fermented buttermilk, sometimes called takra, contains lactic acid bacteria along with protein and calcium. Its nutritional characteristics can differ considerably from commercial products sold under the buttermilk name, particularly when those products are heavily processed or contain additives. When live cultures remain present, cultured buttermilk can contribute probiotic organisms while also providing nutrients naturally found in dairy.
Kombucha occupies a different category because it begins with tea rather than milk. It is typically made from black or green tea, sugar and a SCOBY, or symbiotic culture of bacteria and yeast. Fermentation creates its distinctive tart flavor and natural carbonation. Kombucha can contain probiotic microorganisms and antioxidant compounds derived in part from tea, and some preparations provide vitamins including vitamin C. It has been studied for possible effects on digestion and inflammation, although claims that it “detoxifies” the liver or treats health conditions should not be considered established simply because the beverage is fermented.
There is also a dental consideration with kombucha and similar beverages. Their acidity, combined with carbonation, can contribute to erosion of tooth enamel when consumed frequently. Drinking acidic fermented beverages in moderation and rinsing the mouth with plain water afterward can reduce prolonged acid exposure to the teeth.
Consumers who avoid dairy can also find fruit and vegetable drinks marketed as probiotic beverages. These can deliver live bacterial cultures without lactose, but some contain considerably more sugar than plain kefir or traditional cultured dairy drinks. Reading ingredient lists and nutrition labels is especially important because the presence of probiotics does not automatically make a beverage low in sugar.
That distinction applies across the entire category. A bottle labeled fermented or probiotic does not necessarily contain substantial numbers of living microorganisms by the time it reaches the consumer. Pasteurization can destroy live bacteria and yeast, meaning some commercially fermented products may retain the flavor and organic acids created during fermentation but little or none of the original probiotic activity. Products specifically labeled as containing “live and active cultures” are more likely to provide viable microorganisms.
Storage also affects those cultures. Fermented beverages containing living organisms generally require refrigeration, both for food safety and to help maintain culture viability. Consumers interested in probiotic content can also look for products that disclose colony-forming unit, or CFU, counts, although the appropriate amount varies according to the microorganisms involved and the product itself rather than a single universal threshold.
Home fermentation can provide greater control over ingredients, sweetness and processing, but it also requires careful sanitation and proper preparation. Homemade kombucha, kefir and similar drinks should be produced according to reliable food-safety practices because uncontrolled fermentation can allow unwanted microorganisms to grow.
The greatest nutritional advantage of fermented drinks may come when they replace more heavily processed beverages rather than when they are treated as medicinal products. Plain or minimally sweetened kefir, kombucha, kvass and cultured buttermilk can provide nutrients and live microorganisms without the large amounts of refined sugar and artificial additives found in many sodas and sweetened drinks.
Their benefits also depend on the broader diet. Probiotic beverages cannot compensate for an otherwise poor dietary pattern, and not every person will respond to the same microorganisms in the same way. People with certain medical conditions, compromised immune systems or specific dietary restrictions may need individualized guidance before consuming large amounts of unpasteurized fermented products.
Used sensibly, however, fermented beverages can offer a practical way to increase dietary variety and introduce live cultures. Choosing refrigerated products with clearly identified active cultures, limiting added sugars and consuming acidic varieties in moderation can help consumers gain the nutritional advantages of fermentation without assuming that every product marketed as probiotic delivers the same benefits.
Source: Natural News
Watch this video explaining why you need probiotics and prebiotics.
This video is from the Groovy Bee channel on Brighteon.com.
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