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Table 1 Comparison of biomass, residual reducing sugars, citric acid, and oxalic acid concentration among the three strains at 60 h

From: Transcriptomic analysis of Aspergillus niger strains reveals the mechanism underlying high citric acid productivity

Strains Initial reducing sugars (g/L) Biomass (g/L) Citric acid concentration (g/L) Oxalic acid concentration (g/L) Residual reducing sugars (g/L)
A. niger YX-1217 (S1) 175.2 ± 2.5 132.4 ± 4.5C 180.0 ± 0.1A 0.89 ± 0.06C 3.5 ± 0.5C
A. niger YX-1217G (S2) 175.2 ± 2.5 157.5 ± 5.2B 65.0 ± 0.1B 5.78 ± 0.54A 43.8 ± 1.0B
ATCC 1015 (S3) 175.2 ± 2.5 192.5 ± 4.4A 20.0 ± 0.05C 1.83 ± 0.22B 86.0 ± 1.2A
  1. Fermentations were performed in biological triplicate for each strain. Values are presented as the average ± standard deviation. For significance analysis, each column was listed as a level, and different uppercase letters represent extremely significant differences (p < 0.01)