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Table 4 Comparison of substrates, products, and microbial communities between previous literature studies and this study

From: Novel insight into the relationship between organic substrate composition and volatile fatty acids distribution in acidogenic co-fermentation

Authors Type of substrates Target product Operation mode Fermentation condition Highest product yield Major microorganism Relative studies (Y to yes, N to no)
Substrates composition and microbial community Microbial community and metabolic pathway
Jia et al. [10] WAS, perennial ryegrass VFAs Batch 35 ± 1 °C, without pH control 368.71 ± 17.53 gCOD/kg TS Clostridia, Spirochaetes, and Bacteroidetes Y N
Rughoonundun et al. [25] WAS, bagasse VFAs Batch 55 °C, pH 7.0 360 mg/g VS N N
Huang et al. [11] WAS, henna plant biomass VFAs Batch 35 ± 1 °C, initial pH 8.0, without pH control 7891 ± 411 mg COD/L N N
Guo et al. [30] WAS, agricultural residues VFAs Semi-continuous pH 10.0 ± 0.5 486.6 mgCOD/g VSS Proteobacteria, Firmicutes, and Actinobacteria Y N
Huang et al. [31] WAS, bio-surfactants VFAs Batch pH 9.0, 10.0, and 11.0 425.2 mg COD/g VSS Firmicutes, Proteobacteria, Bacteroidetes, Actinobacteria, and Chloroflexi Y N
Maspolim et al. [32] WAS VFAs Semi-continuous 35 °C, pH 4, 5, 6, 7, 8, 9, 10, and 11 Tissierella, Petrimonas, Proteiniphilum, Levilinea, Proteiniborus, and Sedimentibacter Y N
Sivagurunathan et al. [33] Galactose H2 Batch and continuous 35 ± 1 °C, pH over 5.5 1.05 mol H2/mol galactose Clostridium sp. and Sporolactobacillus sp. Y Y
Kumar et al. [34] Microalgae H2 Batch The seed inoculum included BESA addition (1 g/L), pH 5.5 29.5 mL/g VSadded N N
Ho et al. [35] Microalgal C. vulgaris FSP-E Ethanol Batch 30 °C, pH 5.0-6.0 11.66 g/L Pure culture of Z. mobilis ATCC 29191 N N
This study WAS, potato waste, food waste VFAs Batch 35 ± 1 °C, pH 10.0 343.54 ± 14.63 mg COD/g VS Firmicutes, Chloroflexi, and Proteobacteria Y Y
  1. – Not mentioned in literature