Freeze-drying of starter culturesExport / Share Schubert, W.F. (1959) Freeze-drying of starter cultures. Queensland Journal of Agricultural Science, 16 (4). pp. 408-418.
AbstractCultures dried by the Rayner method retained their vitality for up to seven months, but in most cases a high cell mortality accompanied the drying. Self-frozen cultures prepared with Gray's apparatus gave lower survival populations than externally frozen cultures. The mortality on storage is high in all drying procedures.
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