. 2017 Jan 24;8:49. doi: 10.3389/fmicb.2017.00049

Table 3.

Comparison of Y. lipolytica strains screened under different pH conditions in bioreactor batch cultivations for the production of polyols and citric acid on pure glycerol as sole carbon source.

Strain name	pH	CDW (g/L)	Mannitol (g/L)	Yield Mannitol (g/g)	Erythritol (g/L)	Yield Erythritol (g/g)	Citric Aicd (g/L)	Yield Citric Acid (g/g)	Isocitric Acid (%)	References	Nitrogen Source
Y. lipolytica A UV'1	3.00	–	27.6	0.16	59.3	0.35	–	–	–	Tomaszewska et al., 2012	2 g^L⁻¹ NH₄Cl + 1 g^L⁻¹ yeast extract
Y. lipolytica A-15	3.00	–	23.0	0.16	28.0	0.19	–	–	–	Tomaszewska et al., 2012	2 g^L⁻¹ NH₄Cl + 1 g^L⁻¹ yeast extract
Y. lipolytica Wratislavia K1	3.00	–	12.8	0.12	42.0	0.22	–	–	–	Tomaszewska et al., 2012	2 g^L⁻¹ NH₄Cl + 1 g^L⁻¹ yeast extract
	3.00	19.3	15.1	–	40.7	0.28	2.6	–	–	Tomaszewska et al., 2014a	3 g^L⁻¹ (NH₄)₂SO₄ + 1 g^L⁻¹ yeast extract
	4.50	23.7	6.1	–	32.2	0.22	45.9	0.31	–	Tomaszewska et al., 2014a
	5.50	17.3	6.3	–	26.5	0.18	65.0	0.43	5.8	Tomaszewska et al., 2014a
	5.50	15.7	8.3	–	30.2	–	53.3	0.34	4.8	Rywińska et al., 2010	3 g^L⁻¹ NH₄Cl + 1 g^L⁻¹ yeast extract
Y. lipolytica A-101	5.50	17.1	4.9	–	n.d.^#	–	66.5	0.44	21.1	Rywińska et al., 2010	3 g^L⁻¹ NH₄Cl + 1 g^L⁻¹ yeast extract
Y. lipolytica DSM 3286	3.00	14.1	23.5	0.23	15.1	0.15	2.2	0.02	13.3	This study^**	3.1 g^*L⁻¹ (NH₄)₂SO₄
	4.50	11.2	12.3	0.12	5.9	0.05	34.1	0.34	8.2
	5.50	11.7	6.3	0.06	3.9	0.04	44.0	0.44	8.6
Y. lipolytica DSM 21175	3.00	20.9	25.4	0.27	1.0	0.01	0.6	0.01	n.d.	This study^**	3.1 g^*L⁻¹ (NH₄)₂SO₄
	4.50	21.7	25.1	0.26	0.6	0.01	4.2	0.04	13.1
	5.50	22.4	24.7	0.25	n.d.	–	5.1	0.05	14.9

n.d.—not detected.

Erythritol has been reconsumed after glycerol depletion.

^**

Maximum values produced after 48 and 72 h for polyols and citric acid, respectively.