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Table 1 Culturable cells and moisture content of freeze-dried cells kept at various temperatures for 12 months

From: The role of protein modifications in senescence of freeze-dried Acetobacter senegalensis during storage

 

After freeze-drying process

Storage temperature

−21°C

+4°C

+35°C

Direct count (cfu/g)

5.96E + 11

6.01E + 11

6.21E + 11

5.89E + 11

cfu/g on GY agar

1.90E + 11

1.11E + 11

1.03E + 10

<E + 2

Dry matter (%) 1

91.60 ± 1.64

91.7 ± 2.14

92.53 ± 1.18

93.29 ± 2.34

  1. 1Values are presented as mean ± SD.
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Microbial Cell Factories

ISSN: 1475-2859

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