yogurt probiotics survival after freezing

February 5, 2018

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

http://tuftsjournal.tufts.edu/2008/06/professor/01/

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.