Flavor Compounds in Grappa on Stabilwax-DA

Peaks
1.(possible 3-methyl-2(5H)-furanone)
2.valeric acid + susquiterpene
3.Linalool oxide
4.Susquiterpene
5.Isobutyl decanoate
6.1-Decanol
7.β-Citronellol
8.Susquiterpene
9.methyl salicylate + unknown
10.Siloxane
11.Methyl dodecanoate
12.hexyl octanoate +
13.2-Tridecanone
14.trans-2-trans-4-Decadienol
15.2-Phenylethyl acetate
16.Hexanoic acid
17.Ethyl dodecanoate
18.Unknown
19.Isoamyl decanoate
20.Benzyl Alcohol
21.Unknown
22.2-Phenylethanol
23.2-Ethylhexanoic acid
Peaks
24.Heptanoic acid
25.Dodecanol
26.Phenol
27.γ-Nonalactone
28.Octanoic Acid
29.Siloxane
30.Ethyl cinnamate
31.γ-Decalactone + unknown
32.Nonanoic acid
33.Phenylethyl hexanoate
34.Diethyl nonanedioate
35.Methyl hexadecanoate
36.Dimethylnaphthalene
37.Ethyl hexadecanoate
38.Decanoic acid
39.Ethyl 9-hexadecenoate
40.Geranic acid
41.Phenylethyl octanoate
42.Dodecanoic acid
43.Ethyl linoleate
44.Diisobutyl phthalate
45.Ethyl linolenate
46.Phenylethyl decanoate
image
GC_FF00560
ColumnStabilwax®-DA, 30 m, 0.18 mm ID, 0.18 µm (cat.# 550752)
Injection
Inj. Vol.:10 µL splitless
Oven
Oven Temp.:60 °C (hold 2 min) to 100 °C at 20 °C/min to 240 °C at 5 °C/min (hold 10 min)
Carrier GasHe, constant flow
Linear Velocity:45 cm/sec
DetectorMS
Mode:Scan
Transfer Line Temp.:240 °C
Source Temp.:230 °C
Quad Temp.:150 °C
Electron Energy:70 eV
Ionization Mode:EI
Scan Range:30-400 amu
NotesInj: 10 µL/min
Std. conc.: neat
Gerstel CIS Injector: 35°C (hold 2 min.), to 300°C @ 10°C/sec. (hold 5 min.)
Helium vent flow: 600mL/min with 1.8 min. vent end time
AcknowledgementChromatogram courtesy of Kevin MacNamara, Ph.D., Irish Distilleries, Ltd.
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