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Probiotics and freezing

If a food such as yogurt or kefir is frozen, does it retain its probiotic qualities?

Comments

( 8 comments — Leave a comment )
jblaque
Aug. 22nd, 2009 12:23 am (UTC)
Freezing does kill bacteria, but not 100%. Therefore, it stands to reason that freezing yogurt will remove a significant amount of the original probiotic properties.
hey__itsrachel
Aug. 22nd, 2009 12:31 am (UTC)
so...I wonder...is frozen yogurt not as wonderful as it's touted to be?
reallybadnews
Aug. 22nd, 2009 12:35 am (UTC)
its lower in fat than regular ice cream but with a similar thick and creamy texture, I think that is general appeal more than probiotics.
jblaque
Aug. 22nd, 2009 12:36 am (UTC)
Agreed. It probably has some probiotic properties, but not a lot.
tumblingdice
Aug. 22nd, 2009 01:23 am (UTC)
http://jds.fass.org/cgi/content/abstract/83/4/666
Here is an abstract from the Journal of Dairy Science.
sueg
Aug. 22nd, 2009 01:26 am (UTC)
Thank you, that's especially helpful! And hopeful.
sagefemme11
Aug. 22nd, 2009 04:53 am (UTC)
Great link, custom made for the question!
priestess_grrrl
Aug. 22nd, 2009 01:19 am (UTC)
I've been wondering this myself, actually... I froze some live culture sauerkraut and I was thinking it probably doesn't have any more good cultures in it. But then, they freeze dry some probiotic supplements, don't they? Maybe that's a different process, though.
( 8 comments — Leave a comment )

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