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Table 2 Results of the simultaneous saccharification and enhanced lipid production process in the presence of different amounts of cellulolytic enzymes

From: Lipid production from corn stover by the oleaginous yeast Cryptococcus curvatus

Entry

Enzymes loading (/g corn stover)*

Total mass (g/L)

Residual TRS (g/L)

Lipid (g/L)

Lipid coefficient (mg/g)

Lipid productivity (g/L/d)

1

5 FPU, 10 CBU and 40 U

57.2 · 0.9

1.0 · 0.1

13.2 · 0.3

137.9 · 3.6

4.06 · 0.11

2

10 FPU and 80 U

47.3 · 0.4

1.8 · 0.0

15.1 · 0.1

159.4 · 1.3

4.69 · 0.04

3

10 FPU, 20 CBU and 80 U

48.5 · 0.5

1.3 · 0.0

14.4 · 0.2

151.8 · 2.0

4.47 · 0.06

4

15 FPU, 30 CBU and 120 U

49.3 · 0.4

1.6 · 0.2

14.1 · 0.6

148.1 · 6.8

4.36 · 0.20

5

20 FPU, 40 CBU and 160 U

49.9 · 0.5

3.3 · 0.7

13.4 · 0.7

140.1 · 8.0

4.12 · 0.23

  1. *Enzyme activities are indicated for cellulase in FPU, β-glucosidase in CBU and xylanase in U, respectively. CBU, cellobiase unit; FPU, filter paper unit; TRS, total reducing sugars.