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Table 3 Biomass and exobiopolymer production using a two-level fractional factorial design with 5 factors (2n-1).

From: Exobiopolymer production of Ophiocordyceps dipterigenaBCC 2073: optimization, production in bioreactor and characterization

No. Glucose (g·L-1) Malt extract (g·L-1) Vitamin solution (mL·L-1) Trace element solution (mL·L-1) Temp. (°C) Exobiopolymer (g·L-1) Yield (g·g-1biomsdd) Biomass (g·L-1)
1 20 6 0 0 30 7.2 ± 0.27 1.76 ± 0.03 4.1 ± 0.24
2 60 6 0 0 25 11.2 ± 0.21 2.67 ± 25 4.2 ± 0.63
3 20 14 0 0 25 11.2 ± 0.92 3.11 ± 0 3.6 ± 0.77
4 60 14 0 0 30 11.5 ± 0.25 2.40 ± 0.13 4.8 ± 0.42
5 20 6 2 0 25 9.1 ± 0.38 2.84 ± 0.08 3.2 ± 0.29
6 60 6 2 0 30 9.2 ± 0.23 1.44 ± 0.01 6.4 ± 0.21
7 20 14 2 0 30 6.4 ± 0.07 1.28 ± 0.04 5.0 ± 0.53
8 60 14 2 0 25 13.2 ± 0.74 2.70 ± 0.02 4.9 ± 0.15
9 20 6 0 2 25 10.2 ± 0.08 3.29 ± 0.14 3.1 ± 0.21
10 60 6 0 2 30 9.8 ± 0.60 1.72 ± 0.03 5.7 ± 0.07
11 20 14 0 2 30 6.7 ± 0.16 1.03 ± 0.04 6.5 ± 0.36
12 60 14 0 2 25 12.7 ± 0.09 2.44 ± 0.06 5.2 ± 0.50
13 20 6 2 2 30 4.8 ± 0.08 1.14 ± 0.23 4.2 ± 0.75
14 60 6 2 2 25 11.8 ± 0.62 2.27 ± 0.01 5.2 ± 0.90
15 20 14 2 2 25 11.7 ± 0.14 3.16 ± 0.04 3.7 ± 0.47
16 60 14 2 2 30 12.1 ± 0.35 1.83 ± 0.06 6.6 ± 0.49
17 40 10 1 1 27.5 12.1 ± 0.50 3.03 ± 20 4.0 ± 1.02
18 40 10 1 1 27.5 11.3 ± 0.48 2.90 ± 0.18 3.9 ± 0.68
19 40 10 1 1 27.5 11.4 ± 0.13 2.78 ± 0.04 4.1 ± 0.30
20 40 10 1 1 27.5 11.9 ± 0.20 3.13 ± 0.14 3.8 ± 1.21