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Table 1 Pigments yield per g DCW under HIO conditions and DTT-induced reductive conditions

From: Changing oxidoreduction potential to improve water-soluble yellow pigment production with Monascus ruber CGMCC 10910

Fermentation time (day)

Extracellular yield (AU/g DCW)a

Intracellular yield (AU/g DCW)b

Control

H2O2

DTT

Control

H2O2

DTT

0

–

–

–

–

–

–

2

4.21 ± 0.05

4.21 ± 0.05

4.21 ± 0.05

9.21 ± 0.16

9.21 ± 0.16

9.21 ± 0.16

4

8.77 ± 0.15

9.03 ± 0.12a

8.11 ± 0.24b

9.63 ± 0.21

9.64 ± 0.09

9.18 ± 0.31a

6

8.67 ± 0.09

9.83 ± 0.29a

7.56 ± 0.25b

8.56 ± 0.16

9.55 ± 0.08a

8.32 ± 0.29

8

9.17 ± 0.34

9.86 ± 0.16a

6.08 ± 0.28b

9.04 ± 0.27

10.41 ± 0.23a

9.23 ± 0.41

10

7.69 ± 0.16

10.47 ± 0.12a

5.11 ± 0.34b

9.50 ± 0.41

11.04 ± 0.21a

8.51 ± 0.43b

12

7.70 ± 0.04

10.24 ± 0.08a

5.18 ± 0.45b

9.04 ± 0.25

11.36 ± 0.40a

8.50 ± 0.18b

  1. The values are expressed are means ± standard deviations, n = 3 for each treatment
  2. Different letters in row represent statistically different mean values (p < 0.05) compared with control
  3. aExtracellular yellow pigments yield per g DCW
  4. bIntracellular yellow pigments yield per g DCW