Probiotics are live microorganisms, most often bacteria, found in fermented foods and supplements. These microorganisms are similar to the billions of beneficial bacteria that colonize the human gut, and when consumed can confer many health benefits. According to MayoClinic.com, there is evidence that probiotics help with lactose intolerance, diarrhea, treat irritable bowel syndrome, prevent yeast infections, and prevent eczema in children. The most commonly consumed probiotics are from the Lacotbacillus and Bifidobacterium genera.
Yogurt
Yogurt is made from milk that has been fermented by bacteria cultures. Yogurt made from cow's milk, goat milk and soy milk are all sources of probiotics. It is important to read the label when selecting yogurt and look for the words "live active cultures" to ensure the product contains probiotics. Pasteurization destroys the bacteria used to ferment yogurt, and so probiotics must be reintroduced after heating.
Kefir
Kefir is a fermented milk drink, originally from the Caucasus, which is high in a variety of probiotics. Kefir is also a good source of protein, B vitamins and minerals. According to a study published May 2003 in the "Journal of the American Dietetic Association," the probiotics in kefir improve symptoms associated with lactose mal-digestion and intolerance.
Fermented Vegetables
Fermented vegetables such as kimchi and sauerkraut are also sources of probiotics. Kimchi is a spicy Korean condiment made from vegetables such as turnip, radish or cabbage which are fermented and mixed with chili paste, fish sauce and other spices. Sauerkraut originated in China and is now a popular German dish consisting of fermented shredded cabbage.
References
- MayoClinic.com: Probiotics: Important for a healthy diet?
- "Journal of the American Dietetic Association"; Kefir Improves Lactose Digestion and Tolerance in Adults with Lactose Maldigestion; Steven R. Hertzler, PhD, RD, Shannon M. Clancy, MS, RD; May 2003
- Epicurious.com: Food Dictionary: Kefir
- "Functional Food Reviews"; How Do We Know When Something Called "Probiotic" Is Really a Probiotic? A Guideline for Consumers and Health Care Professionals; Mary Ellen Sanders, PhD; 2009
- Epicurious.com: Food Dictionary: Kefir
- Epicurious.com: Food Dictionary: Sauerkraut



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