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Table 3 Initial pH of the culture medium with different VFA concentrations and without pH adjustment

From: Oleaginous yeast Yarrowia lipolytica culture with synthetic and food waste-derived volatile fatty acids for lipid production

VFA types Acetic acid Propionic acid Butyric acid
VFA Conc. (g/L) 2.5 5 10 20 2.5 5 10 20 2.5 5 10 20
pH value 3.80 3.64 3.42 2.51 3.92 3.77 3.58 2.63 3.96 3.81 3.69 2.68