Pyrazine, 2-ethyl-6-methyl-


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 HP-5 MSUltra-1HP-5SLB-5MSDB-5
Column length (m) 30.50.50.10.60.
Carrier gas HeliumHeliumHeliumHeliumHe
Substrate      
Column diameter (mm) 0.250.200.200.180.32
Phase thickness (μm) 0.250.330.330.18 
Tstart (C) 70.50.50.40.50.
Tend (C) 290.280.280.295.250.
Heat rate (K/min) 5.2.10.10.4.
Initial hold (min)    1.55.
Final hold (min) 10.20.8.5  
I 1001.970.998.1014.994.
ReferenceRadulovic, Blagojevic, et al., 2010Du, Clery, et al., 2008Du, Clery, et al., 2008Risticevic, Carasek, et al., 2008Fadel, Mageed, et al., 2006
Comment MSDC-RI MSDC-RI MSDC-RI MSDC-RI MSDC-RI
Column type CapillaryCapillaryCapillaryCapillaryCapillary
Active phase HP-5MDN-5DB-5MSDB-5MSDB-1
Column length (m) 60.60.30.50.60.
Carrier gas HeHeHeHeHe
Substrate      
Column diameter (mm) 0.320.250.530.250.32
Phase thickness (μm) 0.250.251.5 1.
Tstart (C) 30.40.40.40.40.
Tend (C) 260.270.225.220.260.
Heat rate (K/min) 2.4.6.5.2.
Initial hold (min) 2.4.5.5. 
Final hold (min) 28.5.30.5. 
I 1003.01000.995.1006.988.
ReferenceLeffingwell and Alford, 2005van Loon, Linssen, et al., 2005Cadwallader and Heo, 2001Welty, Marshall, et al., 2001Chen and Ho, 1999
Comment MSDC-RI MSDC-RI MSDC-RI MSDC-RI MSDC-RI
Column type CapillaryCapillaryCapillaryCapillaryCapillary
Active phase HP-5DB-1DB-1DB-1DB-1
Column length (m) 50.60.60.60.60.
Carrier gas  HeHe He
Substrate      
Column diameter (mm) 0.320.320.320.250.32
Phase thickness (μm) 0.521.01. 1.
Tstart (C) 35.40.40.30.40.
Tend (C) 250.260.260.200.280.
Heat rate (K/min) 2.2.3.4.2.
Initial hold (min) 15.  25.2.
Final hold (min) 45.  20.40.
I 997.988.967.973.977.
ReferenceBoylston and Viniyard, 1998Chen and Ho, 1998Chen, Wang, et al., 1998Buttery, Ling, et al., 1997Lu, Yu, et al., 1997
Comment MSDC-RI MSDC-RI MSDC-RI MSDC-RI MSDC-RI
Column type CapillaryCapillaryCapillaryCapillaryCapillary
Active phase DB-1DB-1DB-1DB-1DB-1
Column length (m) 60.60.60.60.60.
Carrier gas HeHeHe  
Substrate      
Column diameter (mm) 0.250.250.250.320.32
Phase thickness (μm) 1.0.250.250.250.25
Tstart (C) 40.50.50.50.50.
Tend (C) 260.240.240.250.250.
Heat rate (K/min) 2.3.3.4.4.
Initial hold (min) 5.5.5.  
Final hold (min) 60.    
I 984.959.960.969.970.
ReferenceYu, Wu, et al., 1994Ishihara, Tsuneya, et al., 1992Ishihara, Tsuneya, et al., 1992Flath, Matsumoto, et al., 1989Flath, Matsumoto, et al., 1989
Comment MSDC-RI MSDC-RI MSDC-RI MSDC-RI MSDC-RI
Column type CapillaryCapillaryCapillaryCapillaryCapillary
Active phase DB-1DB-1OV-101OV-101OV-1
Column length (m) 60.60.50.50.50.
Carrier gas    N2Hydrogen
Substrate      
Column diameter (mm) 0.320.320.220.220.20
Phase thickness (μm) 0.250.25   
Tstart (C) 50.50.80.80.50.
Tend (C) 250.250.200.200.200.
Heat rate (K/min) 4.4.2.2.1.
Initial hold (min)      
Final hold (min)     35.
I 971.971.977.977.986.
ReferenceFlath, Matsumoto, et al., 1989Flath, Matsumoto, et al., 1989Mihara and Masuda, 1988Mihara and Masuda, 1987Wu, Liou, et al., 1987
Comment MSDC-RI MSDC-RI MSDC-RI MSDC-RI MSDC-RI
Column type CapillaryCapillaryCapillary
Active phase DB-5OV-101OV-101
Column length (m) 60.50.50.
Carrier gas H2N2He
Substrate    
Column diameter (mm) 0.320.220.31
Phase thickness (μm)    
Tstart (C) 40.80.0.
Tend (C) 200.200.225.
Heat rate (K/min) 2.2.3.
Initial hold (min)   1.
Final hold (min)    
I 1001.977.969.
ReferenceGallois and Grimont, 1985Mihara and Enomoto, 1985del Rosario, de Lumen, et al., 1984
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.

Radulovic, Blagojevic, et al., 2010
Radulovic, N.; Blagojevic, P.; Palic, R., Comparative study of the leaf volatiles of Arctostaphylos uva-ursi (L.) Spreng. and Vaccinium vitis-idaea L. (Ericaceae), Molecules, 2010, 15, 9, 6168-6185, https://doi.org/10.3390/molecules15096168 . [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]

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.; Samad, A.K.M.E.A.; Lotfy, S.N., Cocoa substitute: Evaluation of sensory qualities and flavour stability, Eur. Food Res. Technol., 2006, 223, 1, 125-131, https://doi.org/10.1007/s00217-005-0162-3 . [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]

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]

Chen and Ho, 1999
Chen, J.; Ho, C.-T., Comparison of volatile generation in serine/threonine/glutamine-ribose/glucose/fructose model systems, J. Agric. Food Chem., 1999, 47, 2, 643-647, https://doi.org/10.1021/jf980771a . [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]

Chen and Ho, 1998
Chen, J.; Ho, C.-T., Volatile compounds generated in serine-monosaccharide model systems, J. Agric. Food Chem., 1998, 46, 4, 1518-1522, https://doi.org/10.1021/jf970934f . [all data]

Chen, Wang, et al., 1998
Chen, J.; Wang, M.; Ho, C.-T., Volatile compounds generated from thermal degradation of N-acetylglucosamine, J. Agric. Food Chem., 1998, 46, 8, 3207-3209, https://doi.org/10.1021/jf980129g . [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]

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, Wu, et al., 1994
Yu, T.-H.; Wu, C.-M.; Ho, C.-T., Volatile compounds generated from the thermal interaction of glucose and alliin or deoxyalliin in propylene glycol, Food Chem., 1994, 51, 3, 281-286, https://doi.org/10.1016/0308-8146(94)90028-0 . [all data]

Ishihara, Tsuneya, et al., 1992
Ishihara, M.; Tsuneya, T.; Shiga, M.; Kawashima, S.; Yamagishi, K.; Yoshida, F.; Sato, H.; Uneyama, K., New pyridine derivatives and basic components in spearmint oil (Mentha gentilis f. cardiaca) and peppermint oil (Mentha piperita), J. Agric. Food Chem., 1992, 40, 9, 1647-1655, https://doi.org/10.1021/jf00021a034 . [all data]

Flath, Matsumoto, et al., 1989
Flath, R.A.; Matsumoto, K.E.; Binder, R.G.; Cunningham, R.T.; Mon, T.R., Effect of pH on the volatiles of hydrolyzed protein insect baits, J. Agric. Food Chem., 1989, 37, 3, 814-819, https://doi.org/10.1021/jf00087a053 . [all data]

Mihara and Masuda, 1988
Mihara, S.; Masuda, H., Structure-odor relationships for disubstituted pyrazines, J. Agric. Food Chem., 1988, 36, 6, 1242-1247, https://doi.org/10.1021/jf00084a029 . [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]

Gallois and Grimont, 1985
Gallois, A.; Grimont, P.A.D., Pyrazines responsible for the potatolike odor produced by some Serratia and Cedecea strains, Appl. Environ. Microbiol., 1985, 10, 1048-1051. [all data]

Mihara and Enomoto, 1985
Mihara, S.; Enomoto, N., Calculation of retention indices of pyrazines on the basis of molecular structure, J. Chromatogr., 1985, 324, 428-430, https://doi.org/10.1016/S0021-9673(01)81342-X . [all data]

del Rosario, de Lumen, et al., 1984
del Rosario, R.; de Lumen, B.O.; Habu, T.; Flath, R.A.; Mon, T.R.; Teranishi, R., Comparison of headspace volatiles from winged beans and soybeans, J. Agric. Food Chem., 1984, 32, 5, 1011-1015, https://doi.org/10.1021/jf00125a015 . [all data]


Notes

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