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Table 1 Specific activity of glycoside hydrolases from thermophilic bacteria towards ginsenosides C-Y and C-K

From: Synergistic production of 20(S)-protopanaxadiol from protopanaxadiol-type ginsenosides by β-glycosidases from Dictyoglomus turgidum and Caldicellulosiruptor bescii

Microorganism

Enzyme

Specific activity (nmol min−1 mg−1)

Substrate (product)

C-Y (C-K)

C-K (APPD)

Dictyoglomus turgidum

β-Glycosidase

0

16.7 ± 0.3

Pyrococcus furiosus

β-Glycosidase

1750 ± 20

2.2 ± 0.1

Caldicellulosiruptor saccharolyticus

β-Galactosidase

3510 ± 30

0

Caldicellulosiruptor bescii

β-Glycosidase

37,900 ± 110

0

Sulfolobus acidocaldarius

β-Glycosidase

1.0 ± 0.1

0

Sulfolobus solfataricus

β-Glycosidase

2200 ± 30

0