Pyridine, 2-methyl-

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Normal alkane RI, 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-InnowaxDB-WaxFFAPTC-WaxTC-Wax
Column length (m) 15.60.30.60.60.
Carrier gas HeliumHeliumN2N2He
Substrate      
Column diameter (mm) 0.320.250.320.250.25
Phase thickness (μm) 0.500.500.50.250.5
Tstart (C) 40.40.35.70.40.
Tend (C) 250.210.320.220.230.
Heat rate (K/min) 3.2.4.3.3.
Initial hold (min)  5.5. 8.
Final hold (min)  70.45.40. 
I 1205.1240.1243.1240.1234.
ReferencePuvipirom and Chaisei, 2012Moon and Shibamoto, 2009Nebesny, Budryn, et al., 2007Ishizaki, Tachihara, et al., 2005Ishikawa, Ito, et al., 2004
Comment MSDC-RI MSDC-RI MSDC-RI MSDC-RI MSDC-RI
Column type CapillaryCapillaryCapillaryCapillaryCapillary
Active phase TC-WaxRTX-WaxHP-WaxHP-WaxHP-Wax
Column length (m) 60.60.60.60.60.
Carrier gas HeHeHeHeHe
Substrate      
Column diameter (mm) 0.250.250.250.250.25
Phase thickness (μm) 0.250.50.50.50.5
Tstart (C) 50.40.40.40.40.
Tend (C) 230.180.190.190.190.
Heat rate (K/min) 2.5.3.3.3.
Initial hold (min)  5.6.6.6.
Final hold (min)  20.   
I 1234.1241.1239.1239.1239.
ReferenceFukami, Ishiyama, et al., 2002Galindo-Cuspinera, Lubran, et al., 2002Sanz, Maeztu, et al., 2002Maeztu, Sanz, et al., 2001Sanz, Ansorena, et al., 2001
Comment MSDC-RI MSDC-RI MSDC-RI MSDC-RI MSDC-RI
Column type CapillaryCapillaryCapillaryCapillaryCapillary
Active phase HP-InnowaxDB-WaxHP-InnowaxPEG-20MDB-Wax
Column length (m) 30.60.30.50.60.
Carrier gas HeHeN2NitrogenHe
Substrate      
Column diameter (mm) 0.250.250.250.250.25
Phase thickness (μm) 0.251.0.250.25 
Tstart (C) 40.50.40.60.40.
Tend (C) 190.200.190.180.200.
Heat rate (K/min) 4.3.4.2.2.
Initial hold (min) 3. 3. 2.
Final hold (min) 10.40.10.  
I 1219.1214.1219.1182.1216.
ReferenceKubec, Drhová, et al., 1999Horiuchi, Umano, et al., 1998Kubec, Drhová, et al., 1998Kubota, Matsujage, et al., 1996Umano, Hagi, et al., 1995
Comment MSDC-RI MSDC-RI MSDC-RI MSDC-RI MSDC-RI
Column type CapillaryCapillary
Active phase Carbowax 20MCarbowax 20M
Column length (m) 150.39.
Carrier gas HeH2
Substrate   
Column diameter (mm) 0.640.30
Phase thickness (μm)   
Tstart (C) 50.60.
Tend (C) 170.220.
Heat rate (K/min) 1.2.
Initial hold (min) 10. 
Final hold (min) 60. 
I 1220.1210.
ReferenceSeifert and King, 1982Liardon and Ledermann, 1980
Comment MSDC-RI MSDC-RI

References

Go To: Top, Normal alkane RI, 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.

Puvipirom and Chaisei, 2012
Puvipirom, J.; Chaisei, S., Contribution of roasted grains and seeds in aroma of oleang (Thai coffee drink), Int. Food Res. J., 2012, 19, 2, 583-588. [all data]

Moon and Shibamoto, 2009
Moon, J.-K.; Shibamoto, T., Role of roasting conditions in the profile of volatile flavor chemicals formed from coffee beans, J. Agric. Food Chem., 2009, 57, 13, 5823-5831, https://doi.org/10.1021/jf901136e . [all data]

Nebesny, Budryn, et al., 2007
Nebesny, E.; Budryn, G.; Kula, J.; Majda, T., The effect of roasting method on headspace composition of robusta coffee bean aroma, Eur. Food Res. Technol., 2007, 225, 1, 9-19, https://doi.org/10.1007/s00217-006-0375-0 . [all data]

Ishizaki, Tachihara, et al., 2005
Ishizaki, S.; Tachihara, T.; Tamura, H.; Yanai, T.; Kitahara, T., Evaluation of odour-active compounds in roasted shrimp (Sergia lucens Hansen) by aroma extract dilution analysis, Flavour Fragr. J., 2005, 20, 6, 562-566, https://doi.org/10.1002/ffj.1484 . [all data]

Ishikawa, Ito, et al., 2004
Ishikawa, M.; Ito, O.; Ishizaki, S.; Kurobayashi, Y.; Fujita, A., Solid-phase aroma concentrate extraction (SPACE ): a new headspace technique for more sensitive analysis of volatiles, Flavour Fragr. J., 2004, 19, 3, 183-187, https://doi.org/10.1002/ffj.1322 . [all data]

Fukami, Ishiyama, et al., 2002
Fukami, K.; Ishiyama, S.; Yaguramaki, H.; Masuzawa, T.; Nabeta, Y.; Endo, K.; Shimoda, M., Identification of distinctive volatile compounds in fish sauce, J. Agric. Food Chem., 2002, 50, 19, 5412-5416, https://doi.org/10.1021/jf020405y . [all data]

Galindo-Cuspinera, Lubran, et al., 2002
Galindo-Cuspinera, V.; Lubran, M.B.; Rankin, S.A., Comparison of volatile compounds in water- and oil-soluble annatto (Bixa orellana L.) extracts, J. Agric. Food Chem., 2002, 50, 7, 2010-2015, https://doi.org/10.1021/jf011325h . [all data]

Sanz, Maeztu, et al., 2002
Sanz, C.; Maeztu, L.; Zapelena, M.J.; Bello, J.; Cid, C., Profiles of volatile compounds and sensory analysis of three blends of coffee: influence of different proportions of Arabica and Robusta and influence of roasting coffee with sugar, J. Sci. Food Agric., 2002, 82, 8, 840-847, https://doi.org/10.1002/jsfa.1110 . [all data]

Maeztu, Sanz, et al., 2001
Maeztu, L.; Sanz, C.; Andueza, S.; de Peña, M.P.; Bello, J.; Cid, C., Characterization of espresso coffee aroma by static headspace GC-MS and sensory flavor profile, J. Agric. Food Chem., 2001, 49, 11, 5437-5444, https://doi.org/10.1021/jf0107959 . [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]

Kubec, Drhová, et al., 1999
Kubec, R.; Drhová, V.; Velísek, J., Volatile compounds thermally generated from S-propylcysteine and S-propylcysteine sulfoxide - aroma precursors of Allium vegetables, J. Agric. Food Chem., 1999, 47, 3, 1132-1138, https://doi.org/10.1021/jf980974z . [all data]

Horiuchi, Umano, et al., 1998
Horiuchi, M.; Umano, K.; Shibamoto, T., Analysis of volatile compounds formed from fish oil heated with cysteine and trimethylamine oxide, J. Agric. Food Chem., 1998, 46, 12, 5232-5237, https://doi.org/10.1021/jf980482m . [all data]

Kubec, Drhová, et al., 1998
Kubec, R.; Drhová, V.; Velísek, J., Thermal degradation of S-methylcysteine and its sulfoxide-important flavor precursors of Bassica and Allium vegetables, J. Agric. Food Chem., 1998, 46, 10, 4334-4340, https://doi.org/10.1021/jf980379x . [all data]

Kubota, Matsujage, et al., 1996
Kubota, K.; Matsujage, Y.; Sekiwa, Y.; Kobayashi, A., Identification of the characteristic volatile flavor compounds formed by cooking squid (Todarodes pacificus Steenstrup), Food Sci. Technol., 1996, 2, 3, 163-166. [all data]

Umano, Hagi, et al., 1995
Umano, K.; Hagi, Y.; Nakahara, K.; Shyoji, A.; Shibamoto, T., Volatile chemicals formed in the headspace of a heated D-glucose/L-cysteine Maillard model system, J. Agric. Food Chem., 1995, 43, 8, 2212-2218, https://doi.org/10.1021/jf00056a046 . [all data]

Seifert and King, 1982
Seifert, R.M.; King, A.D., Jr., Identification of some volatile constituents of Aspergillus clavatus, J. Agric. Food Chem., 1982, 30, 4, 786-790, https://doi.org/10.1021/jf00112a044 . [all data]

Liardon and Ledermann, 1980
Liardon, R.; Ledermann, S., volatile components of fermented soya hydrolysate. II. Composition of basic fraction, Z. Lebensm. Unters. Forsch., 1980, 170, 3, 208-213, https://doi.org/10.1007/BF01042542 . [all data]


Notes

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