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First identified in 1905 by the Bulgarian doctor Stamen Grigorov by isolating what later termed Lactobacillus Bulgaricus from a Bulgarian yogurt sample, [6] the bacteria can be found naturally in the gastrointestinal tract of mammals living in Sofia region and along the Balkan Mountain (Stara Planina) mesoregion of Balkan peninsula.
Yogurt probiotic drink is a drinkable yogurt pasteurized to kill bacteria, with Lactobacillus added before packaging. Under US Food and Drug Administration regulations, milk must be pasteurized before it is cultured, and may optionally be heat treated after culturing to increase shelf life. [ 65 ]
Due to more than a century of safe use, the FDA has granted L. bulgaricus a "grandfather" status, with an automatic GRAS status (generally recognized as safe). [17] Moreover, the Code of Federal Regulations mandates that in the US, for a product to be called yogurt, it must contain two specific strains of lactic acid bacteria: Lactobacillus bulgaricus and Streptococcus thermophilus, as ...
A 2002 meta-analysis that included five double-blind trials examining the short-term (2–8 weeks) effects of a yogurt with probiotic strains on serum cholesterol levels found little effect of 8.5 mg/dL (0.22 mmol/L) (4% decrease) in total cholesterol concentration, and a decrease of 7.7 mg/dL (0.2 mmol/L) (5% decrease) in serum LDL concentration.
Lactobacillus is a genus of gram-positive, aerotolerant anaerobes or microaerophilic, rod-shaped, non-spore-forming bacteria. [2] [3] Until 2020, the genus Lactobacillus comprised over 260 phylogenetically, ecologically, and metabolically diverse species; a taxonomic revision of the genus assigned lactobacilli to 25 genera (see § Taxonomy below).
Probiotics—or the live microorganisms that help your body maintain a healthy balance of “good” bacteria in the gut—are a regular addition to many peoples’ supplement regimen for good reason.
“Most commonly, bacteria in raw milk can cause vomiting, diarrhea (sometimes bloody), abdominal pain, fever, headache and body aches,” the New York State Department of Health says. “Some ...
Streptococcus thermophilus formerly known as Streptococcus salivarius subsp. thermophilus [2] [1] is a gram-positive bacterium, and a fermentative facultative anaerobe, of the viridans group. [3] It tests negative for cytochrome , oxidase , and catalase , and positive for alpha-hemolytic activity. [ 3 ]