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Table 4 Contents of estimated secondary structures of α-L-rhamnosidase with and without sorbitol before and after incubation

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

Samples α-Helix
(%)
β-Sheet
(%)
Turn
(%)
Random coil
(%)
Controla 30 28.88 20.1 21.12
No additivesb 22 22.48 23.26 32.27
0.6 M Sorbitolb 27.17 29.6 21.21 22.12
1.0 M Sorbitolb 27.11 31.28 19.56 22.05
  1. aControl, α-L-Rhamnosidase before heating
  2. bSamples after heating at 70 °C for 4 h
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