. 2019 Jan 30;7(2):483–491. doi: 10.1002/fsn3.817

Table 5.

Mean concentration and relative standard deviations (n = 6) of free volatile compounds (mg/L) of wines

Compounds	A‐C	A‐PCS	P‐C	P‐PCS	NT‐C	NT‐PCS
1‐Propanol, 2‐methyl	0.12 ± 0.01^b	0.11 ± 0.01^b	0.10 ± 0.01^b	0.19 ± 0.03^a	0.13 ± 0.01^b	0.15 ± 0.01^ab
1‐Butanol, 3‐methyl	3.88 ± 0.10^d	4.49 ± 0.17^ab	4.12 ± 0.07^c	4.52 ± 0.24^ab	4.33 ± 0.07^b	4.73 ± 0.12^a
1‐Pentanol, 3‐methyl‐	0.01 ± 0.01	0.01 ± 0.01	ND	ND	0.01 ± 0.01	ND
1‐Hexanol	0.08 ± 0.01^c	0.06 ± 0.01^c	0.11 ± 0.01^b	0.06 ± 0.02^c	0.11 ± 0.01^b	0.18 ± 0.01^a
1‐Hexanol, 2‐ethyl‐	0.01 ± 0.01	0.01 ± 0.01	0.02 ± 0.01	0.03 ± 0.01	0.02 ± 0.01	0.01 ± 0.01
Phenylethyl alcohol	0.94 ± 0.01^c	0.92 ± 0.09^c	1.36 ± 0.22^a	1.25 ± 0.15^a	0.94 ± 0.04^c	1.07 ± 0.01^b
Total alcohols	5.04 ± 0.11^c	5.60 ± 0.10^b	5.71 ± 0.14^b	6.05 ± 0.16^a	5.54 ± 0.11^b	6.14 ± 0.14^a
Ethyl acetate	0.65 ± 0.02^b	0.54 ± 0.04^c	0.55 ± 0.06^c	0.83 ± 0.12^a	0.57 ± 0.04^c	0.63 ± 0.04^bc
Ethyl isobutyrate	0.02 ± 0.01	0.02 ± 0.01	0.02 ± 0.01	0.02 ± 0.01	0.01 ± 0.01	0.01 ± 0.01
Ethyl isovalerate	0.04 ± 0.01	0.03 ± 0.01	0.02 ± 0.01	0.05 ± 0.03	0.02 ± 0.01	0.02 ± 0.01
Ethyl butyrate	0.03 ± 0.01	0.04 ± 0.01	0.04 ± 0.01	0.05 ± 0.02	0.02 ± 0.01	0.02 ± 0.01
Isoamyl acetate	0.20 ± 0.02^b	0.46 ± 0.05^a	0.20 ± 0.02^b	0.46 ± 0.05^a	0.28 ± 0.07^b	0.49 ± 0.05^a
Ethyl 2‐methylbutyrate	0.03 ± 0.01	0.01 ± 0.01	ND	ND	0.01 ± 0.01	0.01 ± 0.01
Ethyl hexanoate	0.49 ± 0.04^bc	0.69 ± 0.12^a	0.50 ± 0.01^b	0.61 ± 0.11^a	0.44 ± 0.03^c	0.61 ± 0.11^a
Ethyl heptanoate	0.01 ± 0.01	0.01 ± 0.01	ND	ND	0.01 ± 0.01	ND
Ethyl octanoate	1.57 ± 0.08^b	2.10 ± 0.11^a	1.65 ± 0.12^b	2.16 ± 0.16^a	1.20 ± 0.22^c	1.60 ± 0.13^b
Ethyl decanoate	0.28 ± 0.02^c	0.37 ± 0.04^b	0.40 ± 0.03^b	0.48 ± 0.03^a	0.21 ± 0.06^c	0.36 ± 0.01^b
Diethyl succinate	0.36 ± 0.01^a	0.37 ± 0.02^a	0.29 ± 0.02^b	0.19 ± 0.06^c	0.10 ± 0.01^d	0.27 ± 0.01^b
Ethyl phenylacetate	0.01 ± 0.01	0.01 ± 0.01	ND	ND	0.01 ± 0.01	0.01 ± 0.01
Total esters	3.69 ± 0.21^b	4.65 ± 0.22^a	3.67 ± 0.22^b	4.85 ± 0.37^a	2.88 ± 0.31^c	4.03 ± 0.26^b
Acetic acid	0.04 ± 0.01^ab	0.03 ± 0.01^ab	0.06 ± 0.01^a	0.06 ± 0.02^a	0.02 ± 0.01^b	0.05 ± 0.01^a
Hexanoic acid	0.01 ± 0.01	0.01 ± 0.01	ND	ND	ND	0.01 ± 0.01
Octanoic acid	0.03 ± 0.01	0.04 ± 0.01	0.02 ± 0.01	0.02 ± 0.01	0.02 ± 0.01	0.03 ± 0.01
Total acids	0.08 ± 0.01^a	0.08 ± 0.01^a	0.08 ± 0.02^a	0.08 ± 0.02^a	0.04 ± 0.01^b	0.09 ± 0.01^a
Nonanal	ND	ND	ND	ND	ND	0.01 ± 0.01
Furfural	0.01 ± 0.01	0.01 ± 0.01	ND	ND	0.02 ± 0.01	0.02 ± 0.01
Total aldehydes	0.01 ± 0.01	0.01 ± 0.01	ND	ND	0.02 ± 0.01	0.03 ± 0.01
Total contents	8.82 ± 0.27^b	10.34 ± 0.25^a	9.46 ± 0.15^b	10.98 ± 0.48^a	8.48 ± 0.30^c	10.29 ± 0.40^a

A‐C, Aglianico control; A‐PCS, Aglianico prefermentative cold soak; P‐C, Primitivo control; P‐PCS, Primitivo prefermentative cold soak; NT‐C, Nero di Troia control; NT‐PCS, Nero di Troia prefermentative cold soak. In rows, data followed by different letters indicate statistically significant differences at p < 0.05. ND, not detected.