Dairy Bacteria

The Dairy Bacteria

Species Major known function Product
Propionibacterium shermanii Flavor & eye formation Swiss cheese family
Lactobacillus bugaricus
Lactobacillus lactis
Lactobacillus helveticus Acid and flavor Bulgarian buttermilk, yoghurt, kefir, koumiss, Swiss, Emmental, and Italian cheeses
Lactobacillus acidophilus Acid acidophilus buttermilk
Streptococcus thermophilus Acid Emmental, Cheddar, and Italian cheeses, and yogurt
Streptococcus diacetilactis Acid Sour cream, ripe cream, butter, cheese, buttermilk and starter cultures.
Streptococcus lactis
Streptococcus cremoris Acid Cultured buttermilk, sour cream, cottage cheese, all types of foreign and domestic cheeses, and starter cultures.
Streptococcus durans
Streptococcus faecalis Acid and flavor Soft Italian, cheddar, and some Swiss cheeses.
Leuconostoc citrovorum
Leuconostoc dextranicum Flavor Cultured buttermilk, sourcream, cottage cheese, ripened cream butter, and starter cultures.

Species	Major known function	Product
Propionibacterium shermanii	Flavor & eye formation	Swiss cheese family
Lactobacillus bugaricus Lactobacillus lactis Lactobacillus helveticus	Acid and flavor	Bulgarian buttermilk, yoghurt, kefir, koumiss, Swiss, Emmental, and Italian cheeses
Lactobacillus acidophilus	Acid	acidophilus buttermilk
Streptococcus thermophilus	Acid	Emmental, Cheddar, and Italian cheeses, and yogurt
Streptococcus diacetilactis	Acid	Sour cream, ripe cream, butter, cheese, buttermilk and starter cultures.
Streptococcus lactis Streptococcus cremoris	Acid	Cultured buttermilk, sour cream, cottage cheese, all types of foreign and domestic cheeses, and starter cultures.
Streptococcus durans Streptococcus faecalis	Acid and flavor	Soft Italian, cheddar, and some Swiss cheeses.
Leuconostoc citrovorum Leuconostoc dextranicum	Flavor	Cultured buttermilk, sourcream, cottage cheese, ripened cream butter, and starter cultures.