## 3 Results and Discussion
### GC\(\times\)GC-TOF-MS Volatile Metabolome
**} & \multicolumn{1}{c}{**Volatile Compounds**} & \multicolumn{1}{c}{**tg (1D)**} & \multicolumn{1}{c}{**tg (2D)**} & \multicolumn{1}{c}{**ID**} & \multicolumn{1}{c}{**LRL**ep} & \multicolumn{1}{c}{**LRR**in**} & \multicolumn{1}{c}{**F-**} & \multicolumn{1}{c}{**Ratio**} & \multicolumn{1}{c}{**Variety**} \\ \hline \multicolumn{1}{c}{} & \multicolumn{1}{c}{**(min-sec)**} & \multicolumn{1}{c}{**(min-sec)**} & & & & & & **PM** & **TE** \\ \hline
124 & Isovaleric acid & 18:31.0 & 00:00.8 & S, MS, LRI & 1695 & 1680 & 0.00 & 295.8 \(\pm\) 69.1 & 296.0 \(\pm\) 117.2 \\ \multicolumn{1}{c}{_Estors_} & & & & & & & & \\
125 & Ethyl methylhexanoate & 10:35.0 & 00:01.6 & MS & 1308 & na & 17.54 & 0.24 \(\pm\) 0.17\({}^{\,\text{b}}\) & 0.59 \(\pm\) 0.14\({}^{\,\text{b}}\) \\
126 & Ethyl pentanoate & 06:44.0 & 00:01.4 & MS, LRI & 1132 & 1136 & 10.74 & 8.32 \(\pm\) 3.39\({}^{\,\text{a}}\) & 3.67 \(\pm\) 1.61\({}^{\,\text{b}}\) \\
127 & Isoamyl 12-methyl-2-propionate & 07:25.0 & 00:01.2 & MS & 1165 & na & 7.27 & 242.3 \(\pm\) 8.04\({}^{\,\text{a}}\) & 12.88 \(\pm\) 7.71\({}^{\,\text{b}}\) \\
128 & Methyl cyanide & 14:33.0 & 00:01.1 & MS, LRI & 1481 & 1496 & 7.07 & 0.31 \(\pm\) 0.08\({}^{\,\text{b}}\) & 0.56 \(\pm\) 0.24\({}^{\,\text{a}}\) \\
129 & Diethyl fumarate & 17:56.0 & 00:1.2 & MS, LRI & 1659 & 1660 & 6.43 & 0.13 \(\pm\) 0.10\({}^{\,\text{b}}\) & 0.37 \(\pm\) 0.24\({}^{\,\text{a}}\) \\
130 & Isoamyl lactate & 16:18.0 & 00:01.0 & MS, LRI & 1565 & 1570 & 5.59 & 2.14 \(\pm\) 16.4\({}^{\,\text{b}}\) & 4.99 \(\pm\) 27.4\({}^{\,\text{a}}\) \\
131 & Butyl ethyl succinate & 20:37.0 & 00:01.3 & MS, LRI & 1806 & 1820 & 5.40 & 6.16 \(\pm\) 4.48\({}^{\,\text{b}}\) & 24.01 \(\pm\) 19.84\({}^{\,\text{a}}\) \\
132 & Methyl malate & 25:36.6 & 00:09.9 & MS, LRI & 2069 & 2060 & 4.97 & 1.39 \(\pm\) 17.6\({}^{\,\text{b}}\) & 10.08 \(\pm\) 10.15\({}^{\,\text{a}}\) \\
133 & Isoamyl isobutyrate & 08:02.4 & 00:01.7 & MS, LRI & 1192 & 1194 & 4.81 & 11.2 \(\pm\) 13.3 & 3.63 \(\pm\) 2.81\({}^{\,\text{a}}\) \\
134 & Isobutyl hexanoate & 11:45.0 & 00:01.8 & MS, LRI & 1362 & 1357 & 4.63 & 2.39 \(\pm\) 1.20\({}^{\,\text{a}}\) & 4.90 \(\pm\) 2.84 \\
135 & Ethyl 19-decenoate & 18:45.0 & 00:01.6 & S, MS, LRI & 1708 & 1700 & 4.51 & 18.17 \(\pm\) 15.45 & 5.63 \(\pm\) 2.39 \\
136 & Isoamyl hexanoate & 14:05.0 & 00:01.8 & MS, LRI & 1462 & 1465 & 4.29 & 5.93 \(\pm\) 27.8 & 11.55 \(\pm\) 6.63 \\
137 & Ethyl 2-hexanoate & 11:35.5 & S, MS, LRI & 1355 & 1357 & 3.72 & 2.18 \(\pm\) 11.3 & 4.01 \(\pm\) 2.24 \\
138 & Hepptyl acetate & 12:13.5 & 00:01.5 & S, MS, LRI & 1385 & 1385 & 3.64 & 4.00 \(\pm\) 2.20 & 1.84 \(\pm\) 2.02 \\
139 & Ethyl 2-methylbutyrate & 05:07.0 & 00:01.4 & MS, LRI & 1053 & 1050 & 3.63 & 17.0 \(\pm\) 14.9 & 36.1 \(\pm\) 21.9 \\
140 & Ethyl methyl succinate & 17:36.0 & 00:01.1 & MS, LRI & 1638 & 1631 & 3.29 \(\pm\) 45.7 & 12.88 \(\pm\) 6.76 \\
141 & Isoamyl isovalamate & 10:25.5 & 00:01.8 & MS, LRI & 1300 & 1294 & 3.27 & 1.12 \(\pm\) 0.62 & 1.74 \(\pm\) 0.68 \\
142 & Ethyl isoamyl succinate & 22:36.5 & 00:01.3 & MS, LRI & 1913 & 1907 & 3.22 & 14.5 \(\pm\) 11.6 & 60.0 \(\pm\) 6.60 \\
143 & Ethyl propyl succinate & 20:02.0 & 00:01.2 & MS, LRI & 1775 & 1767 & 3.17 & 2.10 \(\pm\) 1.82 & 6.43 \(\pm\) 6.18 \\
144 & Amy formate & 08:32.0 & 00:05.6 & MS, LRI & 1214 & 1187 & 3.12 & 12.45 \(\pm\) 7.31 & 6.86 \(\pm\) 4.09 \\
145 & Ethyl 3-methylbutyrate & 05:27.0 & 00:01.3 & S, MS, LRI & 1070 & 1068 & 2.73 & 1.93 \(\pm\) 17.4 & 21.11 \(\pm\) 9.06 \\
146 & Ethyl 3-hydroxybutyrate & 15:15.6 & 00:09.0 & MS, LRI & 1513 & 1512 & 2.59 \(\pm\) 7.56 & 3.79 & 3.94 \(\pm\) 4.60 \\
147 & Phenymethyl acetate & 19:27.0 & 00:01.2 & S, MS, LRI & 1745 & 1747 & 2.58 & 0.25 \(\pm\) 0.08 & 0.53 \(\pm\) 0.47 \\
148 & Diethyl glutamate & 20:23.0 & 00:01.2 & MS, LRI & 1793 & 1780 & 2.51 & 0.48 \(\pm\) 0.69 & 1.19 \(\pm\) 0.95 \\
149 & Diethyl-2-methylsucsucsuconate & 17:49.0 & 00:01.3 & MS, LRI & 1651 & na & 2.26 & 0.17 \(\pm\) 0.12 & 0.29 \(\pm\) 0.17 \\
150 & Isoamyl propanoate & 07:58.5 & 00:01.5 & MS, LRI & 1189 & 1188 & 2.23 & 8.58 \(\pm\) 3.90 & 13.29 \(\pm\) 7.38 \\
151 & Ethyl 2,4-hexadienoate & 14:36.2 & 00:01.3 & MS, LRI & 1483 & 1501 & 1.77 & 0.53 \(\pm\) 0.77 & 0.14 \(\pm\) 0.12 \\
152 & Heyl acetate & 09:58.0 & 00:01.4 & S, MS, LRI & 1279 & 1277 & 1.76 & 16.49 \(\pm\) 21.09 & 88.0 \(\pm\) 30.4 \\
153 & Ethyl pyruvate & 09:46.0 & 00:04.8 & MS, LRI & 1270 & 1267 & 1.68 & 83.59 \(\pm\) 9.49 &GC\(\times\)GC-TOF-MS allowed the determination of a much larger number of terpenes (Table 3) than standard GC-MS (Table 2).