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Table 4 Biomass and lipid production of Y. lipolytica on FW and FVW fermentate at different pH conditions

From: Enhanced lipid production by Yarrowia lipolytica cultured with synthetic and waste-derived high-content volatile fatty acids under alkaline conditions

Carbon sourceVFA from FW fermentateVFA from FVW fermentate
Initial pH6.07.08.06.07.08.0
VFA utilization ratio79.80%100%100%100%100%100%
DCW (g/L)9.12 ± 0.5914.23 ± 0.7714.65 ± 0.556.77 ± 0.4210.52 ± 0.5011.84 ± 0.63
Lipid conc. (g/L)1.35 ± 0.143.06 ± 0.403.20 ± 0.371.19 ± 0.112.77 ± 0.283.08 ± 0.28
Lipid content (wt%)14.78 ± 1.7321.52 ± 1.5121.86 ± 1.4517.58 ± 1.1626.33 ± 0.9226.02 ± 1.04
YX/S0.323 ± 0.0200.403 ± 0.0210.414 ± 0.0150.305 ± 0.0180.474 ± 0.0230.534 ± 0.028
YL/S0.048 ± 0.0050.087 ± 0.0110.091 ± 0.0100.054 ± 0.0050.125 ± 0.0120.139 ± 0.012
Lag phase (d)2–300300
  1. aLag phase less than 3 h was recorded as 0 day