ShareFREEZE-DRYING OF STREPTOCOCCUS THERMOPHILUS: A COMPARISON BETWEEN THE VACUUM AND THE ATMOSPHERIC METHOD.
Author(s) : WOLFF E.
Type of article: Article
Summary
FROZEN SUSPENSIONS OF STREPTOCOCCUS THERMOPHILUS WERE FREEZE-DRIED IN A VACUUM OR A FLUIDIZED ADSORBENT BED AT ATMOSPHERIC PRESSURE. OPTIMUM OPERATING CONDITIONS FOR EACH PROCESS WERE DEFINED. FOR THE DURATION OF PROCESSING AND SURVIVAL RATE OF BACTERIAL, IN EACH CASE VACUUM FREEZE-DRYING SEEMED MORE SATISFACTORY THAN ATMOSPHERIC PRESSURE FREEZE-DRYING. THE USE OF RECONSTITUTED SKIMMED MILK AS A SUSPENSION MEDIUM PROVIDES GOOD PROTECTION FOR S. THERMOPHILUS.
Details
- Original title: FREEZE-DRYING OF STREPTOCOCCUS THERMOPHILUS: A COMPARISON BETWEEN THE VACUUM AND THE ATMOSPHERIC METHOD.
- Record ID : 1991-2792
- Languages: English
- Source: Cryobiology - vol. 27 - n. 5
- Publication date: 1990
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Indexing
- Themes: Freeze-drying in biology and medicine
- Keywords: Freeze-drying; Comparison; Cell; Microorganism; Survival; Streptococcus
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