Skip to main content

Advertisement

Springer Nature is making SARS-CoV-2 and COVID-19 research free. View research | View latest news | Sign up for updates

Table 1 Biomass and lipid production of Y. lipolytica with high concentrations of acetic acid as carbon source 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 source and initial pHBiomass (g/L)Lipid conc. (g/L)Lipid content (wt%)YX/S (g/g)YL/S (g/g)Lag phase (day)
30 g/L of acetic acid
 pH = 610.56 ± 0.731.73 ± 0.0816.41 ± 1.080.352 ± 0.0240.058 ± 0.0033–5
 pH = 717.28 ± 0.855.16 ± 0.1929.89 ± 0.890.576 ± 0.0280.172 ± 0.0060a
 pH = 817.86 ± 0.765.24 ± 0.2329.33 ± 0.860.595 ± 0.0250.175 ± 0.0080
 pH = 917.05 ± 0.614.57 ± 0.2526.81 ± 1.070.568 ± 0.0200.152 ± 0.0080
 pH = 1013.67 ± 0.582.75 ± 0.1120.14 ± 1.460.456 ± 0.0190.092 ± 0.0040
50 g/L of acetic acid
 pH = 6N.D.N.D.N.D.N.D.N.D.N.D.
 pH = 727.02 ± 1.217.40 ± 0.2527.38 ± 0.830.540 ± 0.0240.148 ± 0.0050–1
 pH = 828.92 ± 1.158.01 ± 0.3027.69 ± 0.960.578 ± 0.0230.160 ± 0.0060
 pH = 927.39 ± 1.227.10 ± 0.2825.93 ± 1.350.548 ± 0.0240.142 ± 0.0060–1
 pH = 1017.07 ± 1.093.23 ± 0.0918.95 ± 0.940.341 ± 0.0220.065 ± 0.0021–3
70 g/L of acetic acid
 pH = 6N.D.N.D.N.D.N.D.N.D.N.D.
 pH = 729.10 ± 1.456.76 ± 0.3623.23 ± 1.040.497 ± 0.0250.115 ± 0.0061–3
 pH = 837.14 ± 1.5610.11 ± 0.4227.22 ± 0.920.531 ± 0.0220.144 ± 0.0060
 pH = 935.67 ± 1.649.09 ± 0.4025.49 ± 1.110.510 ± 0.0230.130 ± 0.0062–3
 pH = 1013.35 ± 0.831.84 ± 0.1313.75 ± 1.500.269 ± 0.0170.037 ± 0.0033–5
90 g/L of acetic acid
 pH = 6N.D.N.D.N.D.N.D.N.D.N.D.
 pH = 719.96 ± 0.884.36 ± 0.1821.85 ± 1.010.291 ± 0.0130.064 ± 0.0031–3
 pH = 831.02 ± 1.227.90 ± 0.3725.47 ± 1.230.417 ± 0.0160.106 ± 0.0050–1
 pH = 924.19 ± 1.195.92 ± 0.3224.46 ± 1.400.319 ± 0.0160.078 ± 0.0043–4
 pH = 109.606 ± 0.861.38 ± 0.0614.32 ± 1.070.171 ± 0.0150.024 ± 0.0016–7
110 g/L of acetic acid
 pH = 6N.D.N.D.N.D.N.D.N.D.N.D.
 pH = 715.80 ± 0.932.49 ± 01515.75 ± 0.890.192 ± 0.0110.030 ± 0.0024–5
 pH = 817.33 ± 0.623.85 ± 0.1922.21 ± 1.280.198 ± 0.0070.044 ± 0.0022
 pH = 915.40 ± 0.773.30 ± 0.1921.45 ± 1.530.177 ± 0.0090.038 ± 0.0023–5
 pH = 1010.20 ± 1.231.19 ± 0.1011.67 ± 1.030.167 ± 0.0200.019 ± 0.0029–10
  1. All the results presented are the mean values ± SD for three independent replicates
  2. N.D., not detected; YX/S, growth yield coefficient, g DCW/g VFAs, YL/S, lipid yield coefficient, g lipid/g VFAs
  3. aLag phase less than 3 h was recorded as 0 day