Streptococcus thermophilus is a probiotic bacteria belonging to the lactic acid category that is grouped in chains and resembles a chain of beads. One of its main properties is that it thrives in warm temperatures and has the ability to withstand temperatures up to 212 degrees Fahrenheit. Hence, it survives even after milk is heated.
Beneficial effects: S. thermophilus is known to boost the immune system and facilitates the maintenance of a healthy colon.
Sources: Mozzarella cheese, yogurt, and milk.