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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 production involves preparing warm milk to a temperature (30–45 °C (86–113 °F)) that will not kill the live microorganisms that turn the milk into yogurt, inoculating certain bacteria (starter culture), usually Streptococcus thermophilus and Lactobacillus bulgaricus, into the milk, and finally keeping it warm for several hours (4 ...
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 ...
Bulgarian yogurt: Bulgaria: A fermented milk product. In common with all dairy yogurt, Bulgarian yogurt is produced through the bacterial fermentation of milk, using a live culture of Lactobacillus bulgaricus and Streptococcus thermophilus. Butter [6] Made by churning fresh or fermented cream or milk.
Stamen Gigov Grigorov (Bulgarian: Стамен Гигов Григоров; 27 October 1878 – 27 October 1945) was a prominent Bulgarian physician and microbiologist. He discovered the Lactobacillus bulgaricus bacillus, used in the making of yogurt.
A starter culture is a microbiological culture which actually performs fermentation. These starters usually consist of a cultivation medium, such as grains, seeds, or nutrient liquids that have been well colonized by the microorganisms used for the fermentation.