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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