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Table 5 Comparative hydrogen production rate (\(R_{{{\text{H}}_{2} }}\)) in PNSB under photosynthetic or dark fermentation conditions

From: Enhancement of biohydrogen production rate in Rhodospirillum rubrum by a dynamic CO-feeding strategy using dark fermentation

Strain Operation Metabolic pathway Carbon sources \(R_{{{\text{H}}_{2} }}\) mmol l−1 h−1 References
Rhodopseudomonas palustris Batch Photofermentation Malate + glutamate 0.3 [43]
Batch Photofermentation Lactate 2.2 [44]
Rhodobacter sphaeroides Batch Photofermentation Acetate 0.9 [36]
Batch Photofermentation Acetate + butyrate + glutamate 2.1 [45]
Batch Photofermentation Acetate + butyrate + glutamate 6.1 [46]
Rhodobacter capsulatus Batch Photofermentation Glucose 32 [47]
Batch Photofermentation Acetate 0.3 [48]
Batch Photofermentation Acetate + butyrate 0.2 [49]
Batch Photofermentation Acetate + glutamate 1 [50]
Rhodospirillum rubrum Batch (light) Syngas fermentation Acetate + syngas 0.2 [13]
Continuous (light) Syngas fermentation Acetate + syngas 32 [22]
Fed-batch (dark) Syngas fermentation Acetate + syngas 11 [15]
Fed-batch (dark) Syngas fermentation Acetate + syngas 27 This work
Continuous Photofermentation Lactate + glutamate 1 [51]