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Table 2 Kinetic parameters of α-L-rhamnosidase with and without sorbitol

From: Enhancing the thermostability of α-L-rhamnosidase from Aspergillus terreus and the enzymatic conversion of rutin to isoquercitrin by adding sorbitol

Sample Specific activityA
(U/mg)
K M A
(mM)
k cat A
(s−1)
k cat /K M
(s −1M -1)
No additives 451.5 ± 12.5 0.481 ± 0.01 407.6 ± 11.6 8.5 × 103
0.6 M Sorbitol 414.5 ± 11.6 0.493 ± 0.02 379.2 ± 10.6 7.7 × 103
1.0 M Sorbitol 354.4 ± 10.4 0.542 ± 0.02 362.5 ± 10.7 6.7 × 103
  1. AValues are the means ± SD (n = 3)
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