Research Article

Minor Volatile Compounds in White Wines from Canary Islands, Madeira, and Pico (Azores) by Headspace Solid-Phase Microextraction-Gas Chromatography-Mass Spectrometry: A Qualitative Study

Table 1

Retention time (rt), family classification (F), and detected compounds in the different studied varieties with all fibers. Alcohols (1), esters (2), aldehydes and ketones (3), organic acids (4), hydrocarbons (5), terpenes (6), and other compounds (7).

Compoundsrt (min)FCW/DVBPDMS/100PDMS/DVBPA
GuMvLbMjGuMvLbMjGuMvLbMjGuMvLbMj

Isobutyl acetate18.682++++++++++++++++
Ethyl butyrate20.832++++++++++++++++
Ethyl 2-methylbutyrate22.232++++++++++++++
Ethyl isovalerate23.792++++++++++++++++
Butyl acetate24.232++++++++++++++++
Hexanal25.063++++
1-Penten-3-ol31.891++++++++++++
Ethyl hexanoate38.032+++++++++++++++
1-Pentanol39.131++++++++++++++++
Bicyclo (4,2,0)-Octa-1,3,5-trien39.915+++++++++++++++
Hexyl acetate41.082++++++++++++++++
Acetoin42.283++++++++++++++
3-Hexen-1-ol acetate43.802++++++++++++++++
Methylcyclopentane43.995++++++++++++++++
2-Heptanol44.471++++++++++++++++
4-Methyl-1-pentanol44.951++++++++++++++++
Ethyl heptanoate45.552++++++++++++++++
Ethyl lactate46.502++++++++++++++++
1-Hexanol46.961++++++++++++++++
3-Hexen-1-ol47.661++++++++++++++++
3-Ethoxy-1-propanol48.491++++++++++++++++
Z-3-Hexen-1-ol49.291++++++++++++++++
Methyl heptanoate49.592++++++++++++++++
3-Octanol49.631++++++++++++++
2-Nonen-1-ol49.921++++++++++++++++
2-Hexen-1-ol51.281+++++++++++++++
Ethyl octanoate52.642++++++++++++++++
E-Linalool oxide53.126++++++++++++++
1-Octen-3-ol53.601++++++++++++++++
1-Heptanol53.881++++++++++++++++
Acetic acid53.944++++++++++++++++
2-Furaldehyde55.023++++++++++++++++
3-Hepten-1-ol56.511+++++++++++
2-Decen-1-ol56.981++++++++++++++++
Theaspirane I57.195+++++++++++++++
(s)-3-Ethyl-4-methylpentanol57.451++++++++++++++++
2-Nonanol58.011++++++++++++++++
Ethyl-3-hydroxybutyrate58.222++++++++++++++++
Benzaldehyde59.023++++++++++++++++
Ethyl nonanoate59.252++++++++++++++++
E-2-Nonenal59.423++++++++++
Propionic acid59.574++++++++++++++++
Theaspirane II59.655++++++++++++++
Linalool59.906++++++++++++++++
1-Octanol60.531++++++++++++++++
Isobutyric acid61.424++++++++++++++++
Diethyl malonate62.192++++++++++++++
E-2,Z-6-Nonadienal62.703+
2-Methylundecanoic acid62.954++++++++++++++++
1,5,7-Octatrien-3-ol-3,7-dimethyl63.871++++++++++++++++
Cyclooctyl alcohol64.111++++++++++++
Ethoxytriglycol64.401+++++++++++++
Butyric acid65.054++++++++++++++++
Ethyl 2-furoate65.062++++++++++++++++
Methyl benzoate65.102+++++++++
Ethyl decanoate65.452++++++++++++++++
2-Decenal66.013++++++++++
Phenylacetaldehyde66.443++++++++++++++++
Isoamyl octanoate66.592++++++++++++++++
Acetophenone66.823++++++++++++++++
Isovaleric acid67.624++++++++++++++++
Ethyl benzoate67.872++++++++++++++++
2-Methylbutyric acid67.874++++++++++++++++
Diethyl succinate67.972++++++++++++++++
4-Decen-1-ol (Z)68.181++++++++++++++++
Ethyl 4-decenoate68.622++++++++++++++++
α-Terpineol69.136++++++++++++++++
γ-Hexalactone69.723++++++++++++++++
E-2-Decen-1-ol69.801++++++++++++++++
3-(Methylthio)-1-propanol70.251++++++++++++++++
Benzyl acetate71.272++++++++++++++
1,3-Propanediol diacetate71.402++++++++++++++++
1-Decanol72.591++++++++++++++++
β-Citronellol72.876++++++++++++++++
Methyl salicylate73.952++++++++++++++++
1-Dodecene74.185+++++++++++
Phenylacetic acid74.354++++++++++++++++
Z-Geraniol74.776++++++++++++++++
5-Mercapto-1-pentanol75.021++++++++++++++++
E,E-2,4-Decadienal75.633+++++
1-Phenylethanol75.701+++++++++
β-Phenylacetate76.082++++++++++++++++
β-Damascenone76.253++++++++++++++++
Ethyl dodecanoate76.972++++++++++++++++
Hexanoic acid77.254++++++++++++++++
α-Ionone77.766++++++++++++++++
Dihydropseudoionone77.853++++++++++++++++
N(3-methylbutyl) acetamide77.897+++++++++++++
3-Methylbutyl pentadecanoate77.942++++++++++++++++
Guaiacol78.551++++++++++
4,5-Dimethyl-1-hexene78.795++++++++++++++++
Benzylic alcohol79.341++++++++++++++++
Octyl acetate79.382++++++++++++++++
Ethyl hydrocinnamate79.732++++++++++++++
Whiskey lactone I79.933+++++++++
2-Phenylethanol81.151++++++++++++
γ-Octalactone81.533++++++++++++++++
Ethyl palmitate82.352++++++++++
β-Ionone82.386++++++++++
2-Ethylhexanoic acid82.644++++++++++++++++
Heptanoic acid82.824++++++++++++++++
o-Cresol85.651+++++++++++
Phenol85.841++++++++++++++++
Isopropyl myristate86.812++++++++++++++++
γ-Nonalactone87.053++++++++++++++++
Furaneol87.113+++++++++++++++
4-Ethylguaiacol87.221
Ethyl myristate87.492++++++++++++++++
Octanoic acid88.464++++++++++++++++
Isoaromadendrene epoxide89.047++++++++++
m-Cresol90.191+++++
Ethyl cinnamate92.042++++++++++++++++
Ethyl pentadecanoate92.372+++++++++++++
2-Phenoxyethanol92.621
γ-Decalactone92.703++++++++++++++++
Nonanoic acid93.184++++++++++++++++
N-Morfolinomethyl-
isopropylsulfur
93.477++++++++++++++++
Eugenol93.771+++++++++++++
4-Ethylphenol94.161++++++++++
δ-Decalactone95.023++++++++
2-Methoxy-4-vinylphenol95.161++++++++++++++++
Ethyl hexadecanoate97.062++++++++++++++++
1-Hepten-4-ol97.431++++++++
Decanoic acid97.994++++++++++++++++
γ-Undecalactone97.993++++++++++++++++
Dimethyl phthalate99.622++++++++++++++
Farnesol I99.926+++
Farnesol III101.666+++++++++++++++
1-Octadecene102.545++++++++++++++++
Furasol103.081++++++++++++++++
4-Vinylphenol103.891++++++++++++++++
Ethyl octadecanoate105.902++++++++
Benzoic acid105.954++++++++++++++++
Benzophenone107.573++++++++++++
2-Monolinolein108.812++
Butyl 2-ethylhexyl phthalate109.632++++++++++++++++
Vanillin110.893++++++++++++
Octyl butyl phthalate115.772++++++++++++++++