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Table 5 Residual Activity of α-CT modified with lactose after incubation at different RH.

From: Moisture-induced solid state instabilities in α-chymotrypsin and their reduction through chemical glycosylation

  75% RH 96% RH
Time
(d)
a-CT a-CT Lactose
4.5 ± 0.3a
a-CT Lactose
7.1 ± 0.1a
a-CT a-CT Lactose
4.5 ± 0.3a
a-CT Lactose 7.1 ± 0.1a
1 67 ± 2 100 ± 2 99 ± 3 6 ± 1 45 ± 2 59 ± 1
2 40 ± 1 105 ± 2 83 ± 3 2 ± 1 39 ± 2 51 ± 1
3 56 ± 2 90 ± 3 72 ± 2 0.4 ± 0.1 35 ± 1 26 ± 1
4 49 ± 1 74 ± 2 72 ± 1 no data 16 ± 1 22 ± 1
7 39 ± 5 76 ± 2 75 ± 2 no data 10 ± 1 11 ± 1
14 23 ± 6 75 ± 2 62 ± 2 no data 3 ± 2 5 ± 2
  1. aMolar ratio of lactose-to-α-CT