Freeze drying Yeast
I have made and nurtured natural yeast for baking in the past. Problem is if you don't bake on a regular basis, the cost and effort of maintaining your live yeast culture is crazy. I recently purchased a freeze dryer (love it!!) and was wondering if I could freeze dry my live yeast culture and use it like dry yeast.
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Freeze-drying is a method that is commonly used to preserve a wide variety of microorganisms and has been long used to preserve yeast cultures (1, 2, 3). The term “freeze-drying” generally refers to the technique of the removal of water by sublimation of a frozen culture sample under vacuum (see Chapter 2).Storing Dry Yeast Long Term
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