Flavor Compounds in Malt Whiskey on Stabilwax-DA

	Peaks
1.	Ethyl octanoate
2.	Acetic acid
3.	Siloxane
4.	1-hydroxy-2,3-butadione
5.	1-Hydroxy-2-propanone acetate
6.	Furfural
7.	Formic acid
8.	Propionic acid
9.	Isobutyric acid
10.	Dimethyl Sulfoxide
11.	5-Methyl furfural
12.	methyl decanoate + unknown

	Peaks
13.	Butyric acid
14.	Siloxane
15.	Ethyl decanoate
16.	furfuryl alcohol + isoamyl octanoate
17.	isovaleric acid + 2-methylbutyric acid
18.	Diethyl succinate
19.	3-Methyl-2(5H)-furanone (possible)
20.	Valeric acid
21.	Ethyl undecanoate
22.	Isobutyl decanoate
23.	2(5H)-Furanone
24.	Unknown
25.	Diethyl pentanedioate

GC_FF00555

Column	Stabilwax-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 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: 10µL/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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isoamyl octanoate

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2-methylbutyric acid

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