![]() Thermophilic lactic acid starter cultures prefer warmer temperatures (when compared with mesophilic cultures), with a temperature growth range between 68-125° F. ![]() Thermophilc cultures are frequently used in Italian-style cheeses such as parmesan, etc. Mesophilic cultures grow at 50-108° F, with an optimum range between 77-86° F. Many culture blends contain a mixture of these two types of mesophilic bacteria. cremoris), which are primarily used for producing CO2 gas and flavor. lactis biovar diacetylactis and Leuconostoc mesenteriodes subsp. cremoris), which are primarily used for producing lactic acid, and Aroma Producing bacteria (including Lactococcus lactis subsp. Mesophilic bacteria are further divided into two groups: Lactic Acid Starter bacteria (including Lactococcus lactis subsp. Mesophilic culture blends are used primarily for American-style and specialty cheeses (ie: cheddar, brie, etc.) while thermophilc cultures are frequently used in Italian-style cheeses such as parmesan, etc. Mesophilic bacteria grow best at lower temperatures than thermophilic bacteria. The bacteria used in cheesemaking are divided into two main groups: mesophilic and thermophilic.
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