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Pyrazine, 2,3-diethyl-5-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 DB-5HP-5DB-5 MSMDN-5MDN-5
Column length (m) 30.50.30.60.60.
Carrier gas HeliumHelium HeHe
Substrate      
Column diameter (mm) 0.250.200.250.250.25
Phase thickness (mum) 0.250.330.250.250.25
Tstart (C) 50.50.40.40.40.
Tend (C) 220.280.200.270.270.
Heat rate (K/min) 4.10.8.4.4.
Initial hold (min)   3.4.4.
Final hold (min)  8.520.5.5.
I 1172.1157.1153.1153.1155.
ReferenceShedid, 2010Du, Clery, et al., 2008Schirack, Drake, et al., 2006van Loon, Linssen, et al., 2005van Loon, Linssen, et al., 2005
Comment MSDC-RI MSDC-RI MSDC-RI MSDC-RI MSDC-RI
Column type CapillaryCapillaryCapillaryPackedCapillary
Active phase DB-5DB-5MSHP-5SE-54OV-101
Column length (m) 30.30.50.3.50.
Carrier gas HeHe  N2
Substrate    Chromosorb G AW DMCS (100-120 mesh) 
Column diameter (mm) 0.320.530.32 0.22
Phase thickness (mum) 0.251.50.52  
Tstart (C) 40.40.35.50.80.
Tend (C) 230.225.250.230.200.
Heat rate (K/min) 6.6.2.6.2.
Initial hold (min) 2.5.15.2. 
Final hold (min) 5.30.45.10. 
I 1158.1165.1157.1158.1137.
ReferenceSanz, Czerny, et al., 2002Cadwallader and Heo, 2001Boylston and Viniyard, 1998Schieberle, 1991Mihara and Masuda, 1987
Comment MSDC-RI MSDC-RI MSDC-RI MSDC-RI MSDC-RI
Column type CapillaryCapillary
Active phase OV-1OV-101
Column length (m) 50.50.
Carrier gas HydrogenN2
Substrate   
Column diameter (mm) 0.200.22
Phase thickness (mum)   
Tstart (C) 50.80.
Tend (C) 200.200.
Heat rate (K/min) 1.2.
Initial hold (min)   
Final hold (min) 35. 
I 1135.1137.
ReferenceWu, Liou, et al., 1987Mihara and Enomoto, 1985
Comment 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.

Shedid, 2010
Shedid, S., Chemical composition and antioxidant activity of Mallard reaction products generated from glutathione or Cysteine/glucose, World Appl. Sci. J., 2010, 9, 10, 1148-1154. [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]

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]

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]

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]

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]

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]


Notes

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