High value-added products derived from crude glycerol via microbial fermentation using Yarrowia clade yeast

Table 2 The yield and productivity of polyols biosynthesis by Y. divulgata and C. oslonensis on crude glycerol from soap production in bioreactor cultures

Species	SUM_P	Y_P/S	Y_ERY/S	Y_ARA/S	Y_MAN/S	Q_P	Q_ERY	Q_ARA	Q_MAN	Lipid	Protein
Species	(g dm⁻³)	(g g⁻¹)				(g dm⁻³ h⁻¹)				(% of dry biomass)	(%)
YADI	59.8 ± 2.8	0.50 ± 0.03	0.19 ± 0.01	0.06 ± 0.01	0.25 ± 0.02	0.85 ± 0.05	0.33 ± 0.01	0.10 ± 0.01	0.43 ± 0.02	19.6 ± 0.9	19.65 ± 0.10
YAOS	62.7 ± 4.0	0.52 ± 0.04	0.16 ± 0.02	0.06 ± 0.01	0.30 ± 0.01	1.05 ± 0.04	0.32 ± 0.02	0.13 ± 0.01	0.60 ± 0.03	18.6 ± 1.3	24.22 ± 0.40

SUM_P: sum of polyols (arabitol, mannitol, erythritol); Y_P/S: yield of polyols from glycerol; Y_ERY/S: yield of erythritol production from glycerol; Y_ARA/S: yield of arabitol production from glycerol; Y_MAN/S: yield of mannitol production from glycerol; Q_P: productivity of polyols; Q_ERY: productivity of erythritol; Q_ARA: productivity of arabitol; Q_MAN: productivity of mannitol

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