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Table 1 Biomass and exobiopolymer production on different carbon and nitrogen sources using Latin square design.

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

Carbon source

Nitrogen source

Exobiopolymer (g·L-1)

Yield (gexobiopolymer.g-1biomass)

Biomass (g·L-1)

galactose

NH4H2PO4

1.9 ± 0.10

0.28 ± 0

6.7 ± 0.53

 

(NH4)2SO4

1.5 ± 0.07

0.34 ± 0

4.4 ± 0.15

 

malt extract

5.4 ± 0.03

2.35 ± 0.37

2.3 ± 0.38

 

peptone

0

0

9.2 ± 0.36

 

yeast extract

1.0 ± 0.03

0.15 ± 0.07

6.7 ± 0.51

glucose

NH4H2PO4

3.3 ± 0.19

0.29 ± 0.07

11.5 ± 0.14

 

(NH4)2SO4

2.1 ± 0.12

0.37 ± 0.01

5.7 ± 0.60

 

malt extract

9.3 ± 0.83

2.39 ± 0.07

3.9 ± 0.53

 

peptone

0

0

10.3 ± 0.58

 

yeast extract

1.8 ± 0.15

0.16 ± 0.02

11.0 ± 1.08

lactose

NH4H2PO4

0

0

3.0 ± 0.69

 

(NH4)2SO4

0.7 ± 0.09

0.58 ± 0.05

1.2 ± 0.63

 

malt extract

7.1 ± 0.58

2.54 ± 0.65

2.8 ± 0.70

 

peptone

0

0

9.4 ± 0.25

 

yeast extract

0

0

11.0 ± 0.89

maltose

NH4H2PO4

2.5 ± 0.04

0.40 ± 0

6.2 ± 0.13

 

(NH4)2SO4

1.6 ± 0.13

0.4 ± 0.11

4.0 ± 0.36

 

malt extract

9.8 ± 0.28

2.39 ± 0.39

4.1 ± 0.42

 

peptone

0

0

8.1 ± 0.93

 

yeast extract

1.0 ± 0.06

0.10 ± 0.01

10.8 ± 0.87

mannose

NH4H2PO4

2.6 ± 0.20

0.35 ± 0.02

7.5 ± 0.62

 

(NH4)2SO4

1.3 ± 0.03

0.24 ± 0.01

5.4 ± 0.05

 

malt extract

7.9 ± 0.37

2.93 ± 0.14

2.7 ± 0.02

 

peptone

1.9 ± 0.88

0.22 ± 0.12

8.5 ± 0.06

 

yeast extract

2.0 ± 0.09

0.17 ± 0.01

11.9 ± 0.72