. 2020 Apr 10;12(4):1050. doi: 10.3390/nu12041050

Table 3.

Quantification (mg/kg of fermented matrix) of the main fermentation metabolites.

Sample	Ethyl alcohol	Acetic acid	2-butanone-3-hydroxy	1,4-Butanediol
FR	tr. *	n.d.	n.d.	tr.
FM	n.d.^†	n.d.	n.d.	n.d.
FH	n.d.	n.d.	n.d.	n.d.
HX	n.d.	n.d.	n.d.	n.d.
HL	tr.	0.34 ± 0.03 ^a	n.d.	n.d.
HY	tr.	0.13 ± 0.05 ^a	n.d.	n.d.
SX	tr.	n.d.	n.d.	n.d.
SL	tr.	n.d.	n.d.	tr.
SY	tr.	n.d.	n.d.	tr.
YH+	6.79 ± 1.06 ^b	1.82 ± 0.82 ^a	0.42 ± 0.17 ^a	7.67 ± 1.02 ^c
YS+	4.03 ± 0.72 ^b	0.33 ± 0.11 ^a	0.37 ± 0.09 ^a	6.46 ± 1.32 ^b
HX18	14.10 ± 0.79 ^c	11.98 ± 0.68 ^c	9.40 ± 0.69 ^c	3.33 ± 0.56 ^b
HL18	25.97 ± 0.69 ^c	25.18 ± 2.26 ^d	12.44 ± 1.69 ^c	8.85 ± 1.58 ^c
HY18	29.19 ± 3.00 ^c	8.53 ± 1.83 ^c	16.61 ± 1.99 ^c	9.64 ± 1.23 ^c
SX18	16.17 ± 2.08 ^c	2.94 ± 0.07 ^b	7.11 ± 2.02 ^b	2.02 ± 0.34 ^a
SL18	23.82 ± 1.54 ^c	13.33 ± 1.57 ^c	8.84 ± 0.99 ^c	7.86 ± 0.49 ^c
SY18	21.30 ± 2.65 ^c	6.31 ± 1.06 ^b	9.08 ± 0.85 ^c	9.90 ± 1.37 ^c
YH6	12.77 ± 1.90 ^c	7.94 ± 0.42 ^c	10.61 ± 1.44 ^c	7.98 ± 1.28 ^c
YS6	13.74 ± 2.32 ^c	6.44 ± 0.55 ^b	6.12 ± 0.55 ^b	8.40 ± 1.19 ^c
YH+6	15.03 ± 3.16 ^c	18.60 ± 3.32 ^d	10.14 ± 1.69 ^c	23.75 ± 3.21 ^d
YS+6	16.19 ± 2.13 ^c	13.26 ± 2.41 ^d	11.84 ± 1.05 ^c	18.93 ± 2.03 ^d
HLB	0.11 ± 0.04 ^a	8.04 ± 1.07 ^c	6.34 ± 0.18 ^b	3.13 ± 0.64 ^b
HYB	0.17 ± 0.02 ^a	4.10 ± 0.11 ^b	10.29 ± 1.54 ^c	3.56 ± 1.04 ^b
SLB	0.45 ± 0.09 ^a	2.73 ± 0.66 ^b	4.45 ± 0.44 ^b	2.22 ± 0.43 ^a
SYB	0.39 ± 0.08 ^a	n.d.	6.77 ± 0.99 ^b	2.95 ± 0.78 ^b
YHB	0.63 ± 0.12 ^a	0.45 ± 0.28 ^a	6.76 ± 1.12 ^b	1.95 ± 0.32 ^a
YSB	0.14 ± 0.09 ^a	tr.	5.45 ± 1.30 ^b	1.45 ± 0.78 ^a
YH+B	3.63 ± 0.98 ^b	7.99 ± 1.51 ^c	8.88 ± 0.87 ^c	6.99 ± 1.21^c
YS+B	2.87 ± 0.34 ^b	5.33 ± 1.10 ^b	6.87 ± 0.55 ^b	4.33 ± 2.65 ^b

Values are means of two replicates and two different batches. * traces = values < 0.1 mg/kg; † n.d. = not determined. Different letters in the same column indicate significant differences (at least p < 0.05). For samples abbreviations see Table 1.