Table 1.
Comparative data of arbutin biosynthesis from hydroquinone by different biocatalyst systems
| Biocatalyst | Hydroquinone (mM) | Donor: HQ | Glycosyl donor | Optimum pH | Optimum temperature (℃) | Molar arbutin yield (%) | Ref |
|---|---|---|---|---|---|---|---|
| Sucrose phosphorylase (L. mesenteroides) | 18 | 8:1 | Sucrose | 7.5 | 42 | 46.5 | Kitao et al. 1994 |
| Dextransucrase (L. mesenteroides) | 450 | 1:2 | Sucrose | 5.2 | 28 | 0.4 | Seo et al. 2009 |
|
Amylosucrase (D. geothermalis) |
23.6 | 10:1 | Sucrose | 7 | 35 | 90 | Seo et al. 2012 |
|
Amylosucrase (C. carboniz) |
5 | 4:1 | Sucrose | 7 | 35 | 44.7 | Yu et al. 2018 |
|
Amylosucrase (X. campestris) |
10 | 80:1 | Sucrose | 7.5 | 35 | 95 | Zhu et al. 2019 |
| X. maltophilia BT-112 cells | 120 | 2:1 | Sucrose | 7 | 30 | 93.6 | Liu et al. 2013 |
|
α- amylase (B. subtilis) |
90 | 3.8:1 | Maltopentose | 5.5 | 40 | 24.8 | Nishimura et al. 1994 |
| α-glucosidase (S. cerevisiae) | 9 | 167:1 | Maltose | 5 | 30 | 14 | Prodanović et al. 2005a |
| α-glucosidase (S. cerevisiae) | 50 | 30:1 | Maltose | 5.5 | 30 | 4.6 | Prodanović et al. 2005b |
| α-glucosidase (X. campestris WU-9701) | 45 | 27:1 | Maltose | 7 | 40 | 55.6 | Sato et al. 2012 |
| X. campestris WU-9701 cells | 45 | 27:1 | Maltose | 7.5 | 40 | 93 | Kurosu et al. 2002 |
| Cyclodextrin glucanotransferase (Thermoanaerobacter sp.) | 9 | 11:1 | Maltodextrin | 5.5 | 40 | 21.2 | Mathew et al. 2013 |
|
Sucrose isomerase (E. rhapontici) |
50 | 1:50 | Sucrose | – | – | 33.2 | Zhou et al. 2011 |
|
Transglucosidase (E. coli) |
100 | 12:1 | Maltose | 7.2 | 40 | 76 | Wu et al. 2008 |
| Amylosucrase (Asmet) | 20 | 5:1 | Sucrose | 6 | 30 | 75 | This study |