Home Symbol which looks like a small house Up Solid circle with an upward pointer in it

NOTICE: Due to scheduled maintenance at our Gaithersburg campus, this site will not be available from 5:00 pm EDT (21:00 UTC) on Friday October 25 until 5:00 pm (21:00 UTC) on Sunday October 27. We apologize for any inconvenience this outage may cause.

2,3-Dimethyl-5-ethylpyrazine


Gas Chromatography

Go To: Top, References, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director

Van Den Dool and Kratz RI, non-polar column, temperature ramp

View large format table.

Column type Active phase I Reference Comment
CapillaryBPX-51097.Ames, Guy, et al., 200150. m/0.32 mm/0.5 «mu»m, He, 60. C @ 5. min, 4. K/min, 250. C @ 10. min
CapillaryBPX-51096.Ames, Guy, et al., 2001, 250. m/0.32 mm/0.25 «mu»m, He, 60. C @ 5. min, 4. K/min, 250. C @ 10. min
CapillaryBPX-51096.Ames, Guy, et al., 2001, 250. m/0.32 mm/0.25 «mu»m, He, 60. C @ 5. min, 4. K/min, 250. C @ 10. min
CapillaryBPX-51094.Ames, Defaye, et al., 199750. m/0.325 mm/0.5 «mu»m, He, 50. C @ 2. min, 4. K/min, 250. C @ 10. min
CapillaryDB-11065.Izzo and Ho, 199150. m/0.32 mm/1.05 «mu»m, He, 2. K/min, 260. C @ 40. min; Tstart: 40. C
CapillaryDB-11068.Zhang and Ho, 199160. m/0.25 mm/0.25 «mu»m, He, 2. K/min, 220. C @ 10. min; Tstart: 40. C

Van Den Dool and Kratz RI, non-polar column, custom temperature program

View large format table.

Column type Active phase I Reference Comment
CapillaryDB-51105.Parker, Hassell, et al., 200050. m/0.32 mm/0.5 «mu»m, He; Program: oC(5min) => 60C/min => 60C (5min) => 4C/min => 250C
CapillaryBPX-51097.Owens J.D., Allagheny N., et al., 199750. m/0.32 mm/0.5 «mu»m, He; Program: OC => 60C/min => 60C(5min) => 4C/min => 250C(20min)
CapillaryDB-11069.Kuo, Zhang, et al., 198960. m/0.32 mm/0.25 «mu»m, He; Program: -40C => 40C/min => 40C => 2C/min => 260C

Van Den Dool and Kratz RI, polar column, temperature ramp

View large format table.

Column type Active phase I Reference Comment
CapillaryDB-Wax1460.Shimoda, Shiratsuchi, et al., 199660. m/0.25 mm/0.25 «mu»m, He, 2. K/min, 230. C @ 60. min; Tstart: 50. C

Normal alkane RI, non-polar column, temperature ramp

View large format table.

Column type Active phase I Reference Comment
CapillaryUltra-11057.Du, Clery, et al., 200850. m/0.20 mm/0.33 «mu»m, Helium, 2. K/min, 280. C @ 20. min; Tstart: 50. C
CapillaryHP-51087.Du, Clery, et al., 200850. m/0.20 mm/0.33 «mu»m, Helium, 10. K/min, 280. C @ 8.5 min; Tstart: 50. C
CapillaryMDN-51088.van Loon, Linssen, et al., 200560. m/0.25 mm/0.25 «mu»m, He, 40. C @ 4. min, 4. K/min, 270. C @ 5. min
CapillaryMDN-51090.van Loon, Linssen, et al., 200560. m/0.25 mm/0.25 «mu»m, He, 40. C @ 4. min, 4. K/min, 270. C @ 5. min
CapillaryHP-51090.Boylston and Viniyard, 199850. m/0.32 mm/0.52 «mu»m, 35. C @ 15. min, 2. K/min, 250. C @ 45. min
PackedSE-541084.Schieberle, 1991Chromosorb G AW DMCS (100-120 mesh), 50. C @ 2. min, 6. K/min, 230. C @ 10. min; Column length: 3. m
CapillaryOV-1011066.Mihara and Masuda, 1987N2, 2. K/min; Column length: 50. m; Column diameter: 0.22 mm; Tstart: 80. C; Tend: 200. C

Normal alkane RI, non-polar column, custom temperature program

View large format table.

Column type Active phase I Reference Comment
CapillaryDB-51079.Yu and Zhang, 201030. m/0.25 mm/0.25 «mu»m; Program: 40 0C (5 min) 5 0C/min -> 260 0C 15 0C/min -> 280 0C (1 min)
CapillaryHP-5 MS1089.Wan Aida, Ho, et al., 200830. m/0.25 mm/0.25 «mu»m, Helium; Program: 50 0C (2 min) 20 0C/min -> 80 0C (1 min) 20 0C -> 100 0C (1 min) 30 0C/min -> 230 0C (2 min)
CapillaryHP-51076.Characterization of Pyrazines in Some Chinese Liquors and Their Approximate Concentrations, 200730. m/0.25 mm/0.25 «mu»m, He; Program: 50C(2min) => 2C/min => 140C => 10C/min => 280C (10min)
CapillaryHP-5MS1089.Ho, Wan Aida, et al., 200730. m/0.25 mm/0.25 «mu»m, He; Program: 50C(2min) => 20C/min => 80C (1min) => 20C/min => 100C(1min) => 30C/min => 230C(3min)

Normal alkane RI, polar column, temperature ramp

View large format table.

Column type Active phase I Reference Comment
CapillaryHP-Innowax1447.Du, Clery, et al., 200850. m/0.20 mm/0.33 «mu»m, Helium, 10. K/min, 250. C @ 6. min; Tstart: 50. C
CapillaryDB-Wax1445.Characterization of Pyrazines in Some Chinese Liquors and Their Approximate Concentrations, 200730. m/0.25 mm/0.25 «mu»m, He, 4. K/min, 230. C @ 15. min; Tstart: 50. C
CapillaryDB-Wax1445.Fan and Qian, 200630. m/0.32 mm/0.25 «mu»m, He, 40. C @ 2. min, 4. K/min, 230. C @ 15. min
CapillaryHP-FFAP1470.Qian and Reineccius, 200225. m/0.32 mm/0.52 «mu»m, 60. C @ 1. min, 5. K/min, 240. C @ 5. min
CapillaryHP-Wax1493.Sanz, Ansorena, et al., 200160. m/0.25 mm/0.5 «mu»m, He, 40. C @ 6. min, 3. K/min; Tend: 190. C

Normal alkane RI, polar column, custom temperature program

View large format table.

Column type Active phase I Reference Comment
CapillaryCarbowax 20M1421.Mihara and Masuda, 1987Program: not specified

References

Go To: Top, Gas Chromatography, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Ames, Guy, et al., 2001
Ames, J.M.; Guy, R.C.E.; Kipping, G.J., Effect of pH and temperature on the formation of volatile compounds in cysteine/reducing sugar/starch mixtures during extrusion cooking, J. Agric. Food Chem., 2001, 49, 4, 1885-1894, https://doi.org/10.1021/jf0012547 . [all data]

Ames, Guy, et al., 2001, 2
Ames, J.M.; Guy, R.C.E.; Kipping, G.J., Effect of pH, temperature, and moisture on the formation of volatile compounds in glycine/glucose model systems, J. Agric. Food Chem., 2001, 49, 9, 4315-4323, https://doi.org/10.1021/jf010198m . [all data]

Ames, Defaye, et al., 1997
Ames, J.M.; Defaye, A.B.; Bates, L., The effect of pH on the volatiles formed in an extruded starch-glucose-lysine model system, Food Chem., 1997, 58, 4, 323-327, https://doi.org/10.1016/S0308-8146(96)00171-9 . [all data]

Izzo and Ho, 1991
Izzo, H.V.; Ho, C.-T., Isolation and identification of the volatile components of an extruded autolyzed yeast extract, J. Agric. Food Chem., 1991, 39, 12, 2245-2248, https://doi.org/10.1021/jf00012a029 . [all data]

Zhang and Ho, 1991
Zhang, Y.; Ho, C.-T., Comparison of the volatile compounds formed from the thermal reaction of glucose with cysteine and glutathione, J. Agric. Food Chem., 1991, 39, 4, 760-763, https://doi.org/10.1021/jf00004a029 . [all data]

Parker, Hassell, et al., 2000
Parker, J.K.; Hassell, G.M.E.; Mottram, D.S.; Guy, R.C.E., Sensory and instrumental analyses of volatiles generated during the extrusion cooking of oat flours, J. Agric. Food Chem., 2000, 48, 8, 3497-3506, https://doi.org/10.1021/jf991302r . [all data]

Owens J.D., Allagheny N., et al., 1997
Owens J.D.; Allagheny N.; Kipping G.; Ames J.M., Formation of volatile compounds during Bacillus subtilis fermentation of soya beans, J. Sci. Food Agric., 1997, 74, 1, 132-140, https://doi.org/10.1002/(SICI)1097-0010(199705)74:1<132::AID-JSFA779>3.0.CO;2-8 . [all data]

Kuo, Zhang, et al., 1989
Kuo, M.-C.; Zhang, Y.; Hartman, T.G.; Rosen, R.T.; Ho, C.-T., Selective purge-and-trap method for the analysis of volatile pyrazines, J. Agric. Food Chem., 1989, 37, 4, 1020-1022, https://doi.org/10.1021/jf00088a045 . [all data]

Shimoda, Shiratsuchi, et al., 1996
Shimoda, M.; Shiratsuchi, H.; Nakada, Y.; Wu, Y.; Osajima, Y., Identification and sensory characterization of volatile flavor compounds in sesame seed oil, J. Agric. Food Chem., 1996, 44, 12, 3909-3912, https://doi.org/10.1021/jf960115f . [all data]

Du, Clery, et al., 2008
Du, Z.; Clery, R.; Hammond, C.J., Volatile organic nitrogen-containing constituents in ambrette seed Abelmoschus moschatus Medik (Malvaceae), J. Agric. Food Chem., 2008, 56, 16, 7388-7392, https://doi.org/10.1021/jf800958d . [all data]

van Loon, Linssen, et al., 2005
van Loon, W.A.M.; Linssen, J.P.H.; Legger, A.; Posthumus, M.A.; Voragen, A.G.J., Identification and olfactometry of French fries flavour extracted at mouth conditions, Food Chem., 2005, 90, 3, 417-425, https://doi.org/10.1016/j.foodchem.2004.05.005 . [all data]

Boylston and Viniyard, 1998
Boylston, T.D.; Viniyard, B.T., Isolation of volatile flavor compounds from peanut butter using purge-and-trap technique in Instrumental Methods in Food and Beverage Analysis, D. Wetzel and G. Charalambous, ed(s)., 1998, 225-243. [all data]

Schieberle, 1991
Schieberle, P., Primary odorants in popcorn, J. Agric. Food Chem., 1991, 39, 6, 1141-1144, https://doi.org/10.1021/jf00006a030 . [all data]

Mihara and Masuda, 1987
Mihara, S.; Masuda, H., Correlation between molecular structures and retention indices of pyrazines, J. Chromatogr., 1987, 402, 309-317, https://doi.org/10.1016/0021-9673(87)80029-8 . [all data]

Yu and Zhang, 2010
Yu, A.-N.; Zhang, A.-D., The effect of pH on the total formation of aroma compounds produced by hearting a model system containing L-ascorbic acid with L-threonine/L-serine, Food Chem., 2010, 119, 1, 214-219, https://doi.org/10.1016/j.foodchem.2009.06.026 . [all data]

Wan Aida, Ho, et al., 2008
Wan Aida, W.M.; Ho, C.W.; Maskat, M.Y.; Osman, H., Relating descriptive sensory analysis to gas chromatography / mass spectrometry of palm sugars using partial least squares regression, ASEAN Food J., 2008, 15, 1, 35-45. [all data]

Characterization of Pyrazines in Some Chinese Liquors and Their Approximate Concentrations, 2007
Characterization of Pyrazines in Some Chinese Liquors; Their Approximate Concentrations, W. Fan; Y. Xu; Y. Zhang, J. Agric. Food Chem., 2007, 55, 9956-9962. [all data]

Ho, Wan Aida, et al., 2007
Ho, C.W.; Wan Aida, W.M.; Maskat, M.Y.; Osman, H., Changes in volatile compounds of palm sap (Arenga pinnata) during the heating process for production of palm sugar, Food Chem., 2007, 102, 4, 1156-1162, https://doi.org/10.1016/j.foodchem.2006.07.004 . [all data]

Fan and Qian, 2006
Fan, W.; Qian, M.C., Characterization of Aroma Compounds of Chinese Wuliangye and Jiannanchun Liquors by Aroma Extract Dilution Analysis, J. Agric. Food Chem., 2006, 54, 7, 2695-2704, https://doi.org/10.1021/jf052635t . [all data]

Qian and Reineccius, 2002
Qian, M.; Reineccius, G., Identification of aroma compounds in Parmigiano-Reggiano cheese by gas chromatography/olfactometry, J. Dairy Sci., 2002, 85, 6, 1362-1369, https://doi.org/10.3168/jds.S0022-0302(02)74202-1 . [all data]

Sanz, Ansorena, et al., 2001
Sanz, C.; Ansorena, D.; Bello, J.; Cid, C., Optimizing headspace temperature and time sampling for identification of volatile compounds in ground roasted Arabica coffee, J. Agric. Food Chem., 2001, 49, 3, 1364-1369, https://doi.org/10.1021/jf001100r . [all data]


Notes

Go To: Top, Gas Chromatography, References