Table 2.

Concentration of carbohydrates [g/L] in malt wort before fermentation, after 72 h of lactic acid fermentation and after alcoholic fermentation depending on the initial concentration of magnesium and zinc ions: REF: reference sample (without supplementation); Mg.1, Mg.2: wort supplemented with magnesium at two different levels; Zn.1, Zn.2: wort supplemented with zinc at two different levels.

Wort						After Lactic Acid Fermentation					After Ethanol Fermentation
Carbohydrate [g/L]	REF	Mg.1	Mg.2	Zn.1	Zn.2	REF	Mg.1	Mg.2	Zn.1	Zn.2	REF	Mg.1	Mg.2	Zn.1	Zn.2
Glucose	7.7 ± 1.6					6.7 ± 0.5 *	7.1 ± 0.8 *	6.7 ± 0.2 *	7.1 ± 0.1 *	8.1 ± 0.3 **	0.1 ± 0.0 *	0.1 ± 0.0 *	0.1 ± 0.0 *	0.1 ± 0.0 *	0.1 ± 0.0 *
Fructose	3.0 ± 0.6					0.0 ± 0.0					0.0 ± 0.0
Sucrose	1.8 ± 0.3										0.0 ± 0.0
Maltose	49.5 ± 1.3										3.3 ± 0.5 *	3.6 ± 0.4 *	3.4 ± 0.4 *	3.6 ± 0.4 *	3.6 ± 0.6 *

Results are presented as the mean of three replicates ± standard deviation, * indicates that the sample is not significantly different from the reference and ** indicates that the sample is significantly different from the reference sample (p < 0.05).