Flavor Compounds in Grappa on Stabilwax-DA

GC_FF00560

	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

	Peaks
16.	Hexanoic acid
17.	Ethyl dodecanoate
18.	Unknown
19.	Isoamyl decanoate
20.	Benzyl Alcohol
21.	Unknown
22.	2-Phenylethanol
23.	2-Ethylhexanoic acid
24.	Heptanoic acid
25.	Dodecanol
26.	Phenol
27.	γ-Nonalactone
28.	Octanoic Acid
29.	Siloxane
30.	Ethyl cinnamate

	Peaks
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

Injection
Column	Stabilwax-DA, 30 m, 0.18 mm ID, 0.18 µm (cat.# 550752)
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 Gas	He, constant flow
Linear Velocity:	45 cm/sec

Detector	MS
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
Notes	Inj: 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
Acknowledgement	Chromatogram courtesy of Kevin MacNamara, Ph.D., Irish Distilleries, Ltd.

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