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Table 1 Composition of yeast biomass samples (as received basis wt %)

From: Oleaginous yeast platform for producing biofuels via co-solvent hydrothermal liquefaction

Ultimate analysis (elemental) Proximate analysis  
 C, % 54.92 ± 0.79  Moisture, % 3.54 ± 0.27
 H, % 8.73 ± 0.20  Volatiles, % 90.14 ± 2.04
 N, % 2.40 ± 0.14  Fixed carbon, % 2.50 ± 0.50
 Oc, % 33.85  Ash, % 7.82 ± 0.20
Chemical content   Fatty acids composition,  % of total fatty acidsa,b
 Carbohydrates, % 19.40 ± 0.15  C14 0
 Lipids, % 32.77 ± 1.29  C15 0
 Crude protein, % 16.00 ± 0.38  C16 15.5
    C17 0
Energy content    C18 83.4
 HHV, MJ kg−1 24.88 ± 0.53  C20+ 1.1
  1. HHV higher heating value
  2. aValues are relative percent (%) of the transesterifiable lipids calculated by the use of in situ transesterification and are presented relative to the area under the peak from GC/MS analysis of the transesterifiable lipid portion ranging from retention time of 5–15 min
  3. bAbout 34 % of total fatty acids were mono-unsaturated and 5.6 % of total fatty acids are poly-unsaturated
  4. cBy difference