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Table 1 Initial productivities, product yields and product yields as a percentage of the theoretical maximum from SmFs and SSFs on a DM basis

From: Conversion of orange peel to L-galactonic acid in a consolidated process using engineered strains of Aspergillus niger

Strain

Initial productivity

Product yield, Yp/s

Product yield (%) of theoretical maximum

 

mgL-galactonate/gpeel/h

mgL-galactonate/gpeel

gL-galactonate/gD-galacturonate

 

SmF

SSF

SmF

SSF

SmF

SSF

 

0-70.5 ± 1.5 h

0-96 h

    

Δ gaaB (without suppl.)

1.01 ± 0.04c

0.35 ± 0.01

79 ± 5

116 ± 2c

23%

43%

Δ gaaB-gaaA (without suppl.)

0.74 ± 0.03c

0.49 ± 0.02

95 ± 3

167 ± 2c

35%

62%

Δ gaaB (with suppl.)

1.16 ± 0.01

d2.14 ± 0.09

157 ± 3

d233 ± 2c

58%

87%

Δ gaaB-gaaA (with suppl.)

1.26 ± 0.02

d2.35 ± 0.03c

159 ± 3

d221 ± 6c

59%

82%

  1. cThe process type (SmF or SFF) significantly (p < 0.05) better than the other in the same nutritional conditions.
  2. dErrors present ± SEM, n = 2.
  3. Errors represent ± SEM, n = 3.