. 2014 Feb 1;172(6):3069–3078. doi: 10.1007/s12010-014-0745-1

Table 1.

Effect of minerals on the production parameters and the activity of erythrose reductase during erythritol biosynthesis from glycerol by Y. lipolytica Wratislavia K1

Cultures	Parameters							Erythrose reductase [U g⁻¹ of DW]
Cultures	Time^* [h]	X	ERY [g l⁻¹]	MAN	Y_ERY [g g⁻¹]	Q_ERY [g l⁻¹ h⁻¹]	q_ERY [g g⁻¹ h⁻¹]	Erythrose reductase [U g⁻¹ of DW]
Control	55 ± 2^b	15.2 ± 1.8^a	41.3 ± 2.3^a	2.1 ± 0.3^a	0.40 ± 0.03^a	0.75 ± 0.07^a	0.049 ± 0.002^a	18.5 ± 0.2^a
2.5 mg l⁻¹ Cu²⁺	50 ± 2^a	15.7 ± 1.7^a	41.0 ± 1.5^a	2.9 ± 0.7^ab	0.41 ± 0.02^a	0.82 ± 0.02^ab	0.052 ± 0.006^a	22.7 ± 0.3^c
10 mg l⁻¹ Fe²⁺	54 ± 3^ab	16.4 ± 2.2^a	42.4 ± 2.5^a	4.3 ± 1.2^b	0.40 ± 0.02^a	0.79 ± 0.01^a	0.048 ± 0.006^a	20.9 ± 0.4^b
25 mg l⁻¹ Mn²⁺	54 ± 2^ab	15.4 ± 1.9^a	47.1 ± 1.9^b	1.8 ± 0.4^a	0.47 ± 0.01^b	0.87 ± 0.07^b	0.056 ± 0.011^a	24.9 ± 0.3^d
20 mg l⁻¹ Zn²⁺	56 ± 3^b	15.9 ± 3.1^a	43.5 ± 3.1^ab	1.9 ± 0.9^a	0.43 ± 0.02^a	0.77 ± 0.02^a	0.048 ± 0.007^a	23.0 ± 0.5^c

^*Means in the same column with different letters (a, b, c, and d) are significantly different; P ≤ 0.05