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Table 1 Summary of 2KGA production from phage infection at different stages by Pseudomonas fluorescens K1005

From: A novel bacteriophage KSL-1 of 2-Keto-gluconic acid producer Pseudomonas fluorescens K1005: isolation, characterization and its remedial action

Parameters   Without feeding seed cuture With feeding seed cuture
Normal Infected phage at 0 h Infected phage at 4 h Infected phage at 8 h Infected phage at 0 h Infected phage at 4 h Infected phage at 8 h
Fermentation periods (h) 72 96 96 80 80 80 72
2KGA concentration (g/L) 178.45 ± 1.41 144.98 ± 1.61 150.79 ± 1.42 168.85 ± 1.95 159.89 ± 2.52 163.59 ± 1.55 171.34 ± 1.25
percent conversion(%) 91.99 ± 0.71 74.73 ± 0.83 77.73 ± 0.74 87.04 ± 1.00 82.42 ± 1.30 84.32 ± 0.80 88.32 ± 0.64
Total productivity (g/L.h) 2.48 ± 0.02 1.51 ± 0.01 1.57 ± 0.01 2.11 ± 0.03 2.00 ± 0.30 2.04 ± 0.02 2.38 ± 0.01
Maximum productivity (g/L.h) 2.61 ± 0.13 1.71 ± 0.17 1.79 ± 0.04 2.26 ± 0.05 2.15 ± 0.17 2.21 ± 0.06 2.54 ± 0.04
Yield (g/g) 0.99 ± 0.01 0.81 ± 0.01 0.84 ± 0.01 0.94 ± 0.01 0.89 ± 0.01 0.91 ± 0.01 0.95 ± 0.01