yogurt probiotics survival after freezing

February 5, 2018

not finding very good data on how much of the bacteria will survive freezing in yogurt.
This “ask the professor” column matches intuition.


However, these two sources say there’s no loss in viability… https://www.sciencedirect.com/science/article/pii/S0022030200749277?via%3Dihub

Holcomb et al. (1991) reported that both L. acidophilus and
Bifidobacterium were able to survive and grow in soft-serve frozen yogurt after freezing [Holcomb, J.E., Frank, J.F. and McGregor, J.U. (1991), Viability of Lactobacillus acidophilus and Bifidobacterium bifidum in soft-serve frozen yogurt. Cult. Dairy Prod. J. 26, 4-5.]

pre-frozen yogurt can contain active cultures — just have to check the label.