Pyrazine, 2-ethyl-3,5-dimethyl-


Normal alkane RI, non-polar column, temperature ramp

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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

Column type CapillaryCapillaryCapillaryCapillaryCapillary
Active phase DB-5 MSDB-5 MSSLB-5MSDB-5DB-5 MS
Column length (m) 30.30.10.60.30.
Carrier gas HeliumHeliumHeliumHe 
Substrate      
Column diameter (mm) 0.320.320.180.320.25
Phase thickness (μm) 0.250.250.18 0.25
Tstart (C) 40.40.40.60.40.
Tend (C) 230.250.295.250.200.
Heat rate (K/min) 6.6.10.4.8.
Initial hold (min) 2.2.1.55.3.
Final hold (min) 20.20.  20.
I 1091.1092.1094.1090.1095.
ReferenceChen, Song, et al., 2009Chen, Song, et al., 2009Risticevic, Carasek, et al., 2008Fadel, Mageed, et al., 2006Schirack, Drake, et al., 2006
Comment MSDC-RI MSDC-RI MSDC-RI MSDC-RI MSDC-RI
Column type CapillaryCapillaryCapillaryCapillaryCapillary
Active phase HP-5MDN-5MDN-5DB-5DB-5MS
Column length (m) 60.60.60.30.30.
Carrier gas HeHeHeHeHe
Substrate      
Column diameter (mm) 0.320.250.250.320.53
Phase thickness (μm) 0.250.250.250.251.5
Tstart (C) 30.40.40.40.40.
Tend (C) 260.270.270.230.225.
Heat rate (K/min) 2.4.4.6.6.
Initial hold (min) 2.4.4.2.5.
Final hold (min) 28.5.5.5.30.
I 1078.61085.1090.1080.1084.
ReferenceLeffingwell and Alford, 2005van Loon, Linssen, et al., 2005van Loon, Linssen, et al., 2005Sanz, Czerny, et al., 2002Cadwallader and Heo, 2001
Comment MSDC-RI MSDC-RI MSDC-RI MSDC-RI MSDC-RI
Column type CapillaryCapillaryCapillaryCapillaryCapillary
Active phase DB-5MSHP-5OV-101DB-1Ultra 1
Column length (m) 50.50.10.60.50.
Carrier gas He Helium Helium
Substrate      
Column diameter (mm) 0.250.320.250.250.20
Phase thickness (μm)  0.520.52 0.33
Tstart (C) 40.35.35.30.30.
Tend (C) 220.250.225.200.250.
Heat rate (K/min) 5.2.6.4.1.7
Initial hold (min) 5.15.3.25.1.
Final hold (min) 5.45. 20. 
I 1095.1085.1045.1054.1058.
ReferenceWelty, Marshall, et al., 2001Boylston and Viniyard, 1998Deibler, Acree, et al., 1998Buttery, Ling, et al., 1997Farkas, Sádecká, et al., 1997
Comment MSDC-RI MSDC-RI MSDC-RI MSDC-RI MSDC-RI
Column type CapillaryCapillaryCapillaryCapillaryCapillary
Active phase DB-1DB-1DB-1OV-101OV-1
Column length (m) 60.60.60.50.50.
Carrier gas HeHeHeN2Hydrogen
Substrate      
Column diameter (mm) 0.320.250.250.220.20
Phase thickness (μm) 1.1.1.0  
Tstart (C) 40.40.40.80.50.
Tend (C) 280.260.260.200.200.
Heat rate (K/min) 2.2.2.2.1.
Initial hold (min) 2.5.5.  
Final hold (min) 40.60.60. 35.
I 1072.1065.1072.1064.1056.
ReferenceLu, Yu, et al., 1997Yu and Ho, 1995Yu, Wu, et al., 1994Mihara and Masuda, 1987Wu, Liou, et al., 1987
Comment MSDC-RI MSDC-RI MSDC-RI MSDC-RI MSDC-RI
Column type CapillaryCapillaryCapillary
Active phase Methyl SiliconeMethyl SiliconeSE-30
Column length (m) 25.25.50.
Carrier gas   He
Substrate    
Column diameter (mm) 0.20.20.5
Phase thickness (μm)    
Tstart (C) 50.50.40.
Tend (C) 200.200.170.
Heat rate (K/min) 4.4.3.
Initial hold (min)   3.
Final hold (min) 15.15. 
I 1056.1059.1062.
ReferenceLorenz, Stern, et al., 1983Lorenz, Stern, et al., 1983Heydanek and McGorrin, 1981
Comment MSDC-RI MSDC-RI MSDC-RI

References

Go To: Top, Normal alkane RI, non-polar column, temperature ramp, Notes

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

Chen, Song, et al., 2009
Chen, G.; Song, H.; Ma, C., Aroma-active aompounds of Beijing roast duck, Flavour Fragr. J., 2009, 24, 4, 186-191, https://doi.org/10.1002/ffj.1932 . [all data]

Risticevic, Carasek, et al., 2008
Risticevic, S.; Carasek, E.; Pawliszyn, J., Headspace solid-phase microextraction-gas chromatographic-time-of-flight mass spectrometric methodology for geographical origin verification of coffee, Anal. Chim. Acta, 2008, 617, 1-2, 72-84, https://doi.org/10.1016/j.aca.2008.04.009 . [all data]

Fadel, Mageed, et al., 2006
Fadel, H.H.M.; Mageed, M.A.A.; Lotfy, S.N., Quality and flavour stability of coffee substitute prepared by extrusion of wheat germ and chicory roots, Amino Acids, 2006, https://doi.org/10.1007/s007260200008 . [all data]

Schirack, Drake, et al., 2006
Schirack, A.V.; Drake, M.A.; Sander, T.H.; Sandeep, K.P., Characterization of aroma-active compounds in microwave blanched peanuts, J. Food Sci., 2006, 71, 9, c513-c520, https://doi.org/10.1111/j.1750-3841.2006.00173.x . [all data]

Leffingwell and Alford, 2005
Leffingwell, J.C.; Alford, E.D., Volatile constituents of Perique tobacco, Electron. J. Environ. Agric. Food Chem., 2005, 4, 2, 899-915. [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]

Sanz, Czerny, et al., 2002
Sanz, C.; Czerny, M.; Cid, C.; Schieberle, P., Comparison of potent odorants in a filtered coffee brew and in an instant coffee beverage by aroma extract dilution analysis (AEDA), Eur. Food Res. Technol., 2002, 214, 4, 299-302, https://doi.org/10.1007/s00217-001-0459-9 . [all data]

Cadwallader and Heo, 2001
Cadwallader, K.R.; Heo, J., Aroma of roasted sesame oil: characterization by direct thermal desorption-gas chromatography-olfactometry and sample dilution analysis, Am. Chem. Soc. Symp. Ser., 2001, 782, 187-202. [all data]

Welty, Marshall, et al., 2001
Welty, W.M.; Marshall, R.T.; Grün, I.U.; Ellersieck, M.R., Effects of Milk Fat, Cocoa Butter, or Selected Fat Replacers on Flavor Volatiles of Chocolate Ice Cream, J. Dairy Sci., 2001, 84, 1, 21-30, https://doi.org/10.3168/jds.S0022-0302(01)74447-5 . [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]

Deibler, Acree, et al., 1998
Deibler, K.D.; Acree, T.E.; Lavin, E.H., Aroma analysis of coffrr brew by gas chromatography-oldfactometry, Developments in Food Sci., 1998, 40, 69-78. [all data]

Buttery, Ling, et al., 1997
Buttery, R.G.; Ling, L.C.; Stern, D.J., Studies on popcorn aroma and flavor volatiles, J. Agric. Food Chem., 1997, 45, 3, 837-843, https://doi.org/10.1021/jf9604807 . [all data]

Farkas, Sádecká, et al., 1997
Farkas, P.; Sádecká, J.; Kovác, M.; Siegmund, B.; Leitner, E.; Pfannhauser, W., Key odourants of pressure-cooked hen meat, Food Chem., 1997, 60, 4, 617-621, https://doi.org/10.1016/S0308-8146(97)00042-3 . [all data]

Lu, Yu, et al., 1997
Lu, G.; Yu, T.-H.; Ho, C.-T., Generation of flavor compounds by the reaction of 2-deoxyglucose with selected amino acids, J. Agric. Food Chem., 1997, 45, 1, 233-236, https://doi.org/10.1021/jf960609c . [all data]

Yu and Ho, 1995
Yu, T.-H.; Ho, C.-T., Volatile compounds generated from thermal reaction of methionine and methionine sulfoxide with or without glucose, J. Agric. Food Chem., 1995, 43, 6, 1641-1646, https://doi.org/10.1021/jf00054a043 . [all data]

Yu, Wu, et al., 1994
Yu, T.-H.; Wu, C.-M.; Ho, C.-T., Meat-like flavor generated from thermal interactions of glucose and alliin or deoxyalliin, J. Agric. Food Chem., 1994, 42, 4, 1005-1009, https://doi.org/10.1021/jf00040a032 . [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]

Wu, Liou, et al., 1987
Wu, C.-M.; Liou, S.-E.; Chang, Y.-H.; Chiang, W., Volatile compounds of the wax gourd (Benincasa hispida, Cogn) and a wax gourd beverage, J. Food Sci., 1987, 52, 1, 132-134, https://doi.org/10.1111/j.1365-2621.1987.tb13988.x . [all data]

Lorenz, Stern, et al., 1983
Lorenz, G.; Stern, D.J.; Flath, R.A.; Haddon, W.F.; Tillin, S.J.; Teranishi, R., Identification of sheep liver volatiles, J. Agric. Food Chem., 1983, 31, 5, 1052-1057, https://doi.org/10.1021/jf00119a033 . [all data]

Heydanek and McGorrin, 1981
Heydanek, M.G.; McGorrin, R.J., Gas chromatography-mass spectroscopy investigations on the flavor chemistry of oat groats, J. Agric. Food Chem., 1981, 29, 5, 950-954, https://doi.org/10.1021/jf00107a016 . [all data]


Notes

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