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Bioresources and Bioprocessing

Table 2 Effects of different growing mediums on enzyme activities and biotransformation

From: Bioproduction of quercetin using recombinant thermostable glycosidases from Dictyoglomus thermophilum

 

α-L-Rhamnosidase

(U/L)

β-Glucosidase (U/L)

Quercetin yield

(g/L)

Conversion rate

(mol product/mol substrate)

Incubation time

(h)

Terrific broth

8720.73 ± 184.96

1085.13 ± 41.20

5.90 ± 0.31

1.19 ± 0.06

2–3

Semi-defined medium

4122.23 ± 31.59

366.41 ± 7.91

5.70 ± 0.11

1.15 ± 0.02

6–8

  1. The substrate rutin contained a trace quantity of quercetin, which was not subtracted in the calculations of product yield and conversion rate
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