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Food microbiology is the study of the microorganisms that inhabit, create, or contaminate food.This includes the study of microorganisms causing food spoilage; pathogens that may cause disease (especially if food is improperly cooked or stored); microbes used to produce fermented foods such as cheese, yogurt, bread, beer, and wine; and microbes with other useful roles, such as producing ...
Propionibacterium freudenreichii is a gram-positive, non-motile bacterium that plays an important role in the creation of Emmental cheese, and to some extent, Jarlsberg cheese, Leerdammer and Maasdam cheese. Its concentration in Swiss-type cheeses is higher than in any other cheese.
cheese [2] Corynebacterium mooreparkense: bacterium: cheese (smear-ripened) Corynebacterium variabile: bacterium: cheese [2] Cyberlindnera mrakii: fungus: wine [2] Cystofilobasidium infirmominiatum: fungus: cheese [2] Debaryomyces hansenii: fungus: cheese (smear-ripened) [4] Debaryomyces hansenii: fungus: cheese [4] Debaryomyces kloeckeri ...
Lactobacillus helveticus is a lactic-acid producing, rod-shaped bacterium of the genus Lactobacillus.It is most commonly used in the production of American Swiss cheese and Emmental cheese, but is also sometimes used in making other styles of cheese, such as Cheddar, Parmesan, Romano, provolone, and mozzarella.
Lactococcus lactis is a gram-positive bacterium used extensively in the production of buttermilk and cheese, [1] but has also become famous as the first genetically modified organism to be used alive for the treatment of human disease. [2]
These bacteria are chosen because they produce exopolysaccharide (EPS), which give reduced-fat cheese a texture and flavor like that of regular cheese. [citation needed] L. lactis produces cheese with higher moisture levels compared to other reduced-fat cheeses; S. thermophilus produces cheese with a lower moisture content and a less bitter taste.
Two essays using lacZ gene targeting PCR primers resulted from this study and were deemed compatible with the two lactic acid bacteria species. This allowed for the direct quantification of Lactobacillus delbrueckii subsp. bulgaricus and Streptococcus thermophilus in cheese produced from unpasteurized cow's milk. [3]
Lacticaseibacillus casei is typically the dominant species of nonstarter lactic acid bacteria (i.e. contaminant bacteria [10]) present in ripening cheddar cheese, and, recently, the complete genome sequence of L. casei ATCC 334 has become available. [dubious – discuss] L. casei is also the dominant species in naturally fermented Sicilian ...