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Table 1 Fermentation results of S. bombicola Sb and SbrhlAB using three different carbon sources

From: Production and characterization of novel/chimeric sophorose–rhamnose biosurfactants by introducing heterologous rhamnosyltransferase genes into Starmerella bombicola

Strain

Carbon source

Biomass (g/L)

Rhamnose residue (g/L)

Lac glycolipid (mmol/L)

Tot glycolipid (mmol/L)

Sb

R + O1

5.00 ± 1.16

20.08 ± 0.17

27.17 ± 0.61

35.32 ± 3.01

SbrhlAB

R + O

7.00 ± 0.62

20.11 ± 0.24

31.97 ± 0.42

49.44 ± 0.74

Sb

R

0.00

20.15 ± 0.09

0.00

0.00

SbrhlAB

R

0.00

20.07 ± 0.19

0.00

0.00

Sb

O

6.25 ± 1.08

0.00

22.77 ± 0.58***

66.60 ± 1.66***

SbrhlAB

O

6.50 ± 0.34

0.00

31.88 ± 0.12***

73.97 ± 0.42***

  1. 1R + O means rhamnose and rapeseed oil; R means rhamnose; O means rapeseed oil
  2. ***p < 0.001