# Madeira Wine Volatile Profile. A Platform to Establish Madeira Wine Aroma Descriptors
## 2 Results and Discussion
\begin{table}
\begin{tabular}{c c c c c c c c} \hline
**RT (min) 1** & **K\({}_{\text{clclclcl}}\) 2** & **K\({}_{\text{clclcl}}\) 3** & **ID 4** & **Chemical Families** & **OT8 (ug/L) 5** & **Odor descriptors 6** \\ \hline
7.34 & 1150 & 1158 & MS, RI, Std & \(\beta\)-Pineineine & 6 & 7 **Citrus, floral, fruit, green, pine, sweet, terpenic, wood** \\
8.38 & 1178 & 1182 & MS, RI, Std & **Limonene 8** & 10 & **Citrus, fruit, wood** \\
18.96 & 1430 & 1433 & MS, RI & **(J-Limalool oxide** & 500 & **Floraf, green, rose, sweet** \\
19.16 & 1445 & 1451 & MS, RI & **(J-Limalool oxide** & 500 & **Floraf, green, rose, sweet** \\
22.88 & 1537 & 1537 & MS, RI, Std & **Linalool** & 15 & **Citrus,** lvender, **floraf, fruit, green, muscat, sweet** \\
24.01 & 1561 & 1566 & MS, RI, Std & \(\beta\)-Caryophyllene - 9** & Fruit, green, spice, wood** \\
25.58 & 1673 & 1669 & MS, RI, Std & \(\alpha\)-Terpinenel 250 & Anise, floral, fruit, plant, oil, toothpaste \\
31.38 & 1764 & 1762 & MS, RI, Std & Citronello 30 & **Citrus,** clove, **floraf, fresh, green, rose, sour, sweet** \\
39.86 & 1981 & 2009 & MS, RI, Std & **Geraniol** & 20 & **Citrus,** floraf, fruit, **vary** \\
41.99 & 2125 & 2134 & MS, RI & \(\delta\)-Cadinol & - & **Alamond, green, **vavy, wood** \\ \hline \multicolumn{6}{c}{**Noriospreroids**} \\
21.47 & 1498 & 1507 & MS, RI, Std & **Vitigiramel 1** & 800 & Campbre, eucalyptus, **spice, wood** \\
21.57 & 1501 & 1510 & MS, RI, Std & **Vitigiramel 2** & - & Campbre, eucalyptus, **spice, wood** \\
26.22 & 1614 & 1623 & MS, RI, Std & \(\beta\)-Cydocentral 5 & 5 & **Floraf,** sweet \\
30.86 & 1742 & 1758 & MS, RI, Std & **TDN 10** & 2 & **Floraf, fruit, pleasant, wine** \\
32.33 & 1785 & 1790 & MS, RI, Std & \(\beta\)-Damasceno 8** & 0.05 & **Floraf, fruit, honey, sweet, tobacco** \\
34.79 & 1844 & 1840 & MS, RI, Std & **Geranyl acetone** & 60 & **Floraf, fruit, green, **wavy, wood** \\
36.34 & 1910 & 1912 & MS, RI, Std & \(\beta\)-Dioncone & 0.10 & **Floraf,** violet \\ \hline \multicolumn{6}{c}{**Higher Alcohols**} \\
4.78 & 1074 & 1057 & MS, RI, Std & **Butan-2-ol** & - & Alcohol, oil, wine \\
6.12 & 1113 & 1112 & MS, RI, Std & **2-Methylpropan-1-ol** & 40,000 & Alcohol, bitter glue, leek, licorice \\
7.87 & 1165 & 1176 & MS, RI, Std & Hexan-2-ol** & - & Fatty, fruit, wine \\
9.51 & 1206 & 1206 & MS, RI, Std & **3-Methylbutan-1-ol** & 30,000 & Alcohol, balsamic, burnt, chewsy, fruit, pungent, ripe onion \\
15.15 & 1380 & 1354 & MS, RI, Std & **Hexan-1-ol** & 8000 & **Floraf, fruit, green, herhal, mild, toasty, sweet, wood** \\
15.13 & 1362 & 1362 & MS, RI, Std & **(J-J-Hexan-1-ol)** & 400 & Fresh, green, grass, leaf \\
16.11 & 1371 & 1379 & MS, RI, Std & **(J-J-Hexan-1-ol)** & 400 & Fresh, green, grass, leaf \\
22.25 & 1514 & 1510 & MS, RI, Std & **2-J-Hhyhexan-1-ol** & 270 & **Citrus, fresh, floral, oil, sweet** \\
22.43 & 1521 & 1524 & MS, RI & **(J-S)-Butan-2,3-diol** & 120,000 & Fruit \\
23.93 & 1556 & 1556 & MS, RI & **(R,R-Butan-2,3-diol** & 120,000 & Fruit \\
32.29 & 1784 & 1783 & MS, RI, Std & **Decan-1-ol** & 400 & Fatty \\
35.31 & 1861 & 1869 & MS, RI, Std & **Benzyl alcohol** & 200,000 & Blackberry, **floraf, fruit** \\
36.42 & 1915 & 1910 & MS, RI, Std & **2-Phenylethyl alcohol** & 14,000 & **Floraf, herbal, honesty, pollen, rose, spice, sweet** \\
39.65 & 1701 & 1723 & MS, RI, Std & Ethyl 3-(methylthio)propionate 7 & Fruit, pineapple** \\ \hline \end{tabular}
\end{table} 
Table 1: Volatile organic compounds (VOCs) identified in Madeira wines by headspace solid-phase microextraction tandem with gas chromatography-mass spectrometry (HS-SPME/ECC\(-\)qMS), and the corresponding odor thresholds and odor descriptors.