Pyrazine, 2-ethenyl-5-methyl-
- Formula: C7H8N2
- Molecular weight: 120.1518
- IUPAC Standard InChI: InChI=1S/C7H8N2/c1-3-7-5-8-6(2)4-9-7/h3-5H,1H2,2H3
- IUPAC Standard InChIKey: JASFBLBUHWKFBZ-UHFFFAOYSA-N
- CAS Registry Number: 13925-08-1
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Other names: Pyrazine, 2-methyl-5-vinyl-; 2-Methyl-5-vinylpyrazine; 2-Ethenyl-5-methyl pyrazine; 2-Methyl-5-ethenylpyrazine; 2-Vinyl-5-methylpyrazine; Pyrazine, 2-vinyl,5-methyl; Pyrazine, 5(or 6)-ethenyl-2-methyl
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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
Kovats' RI, non-polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | OV-101 | 994. | Shibamoto, Kamiya, et al., 1981 | N2, 1. K/min; Column length: 80. m; Column diameter: 0.28 mm; Tstart: 80. C; Tend: 200. C |
Kovats' RI, polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | Carbowax 20M | 1468. | Shibamoto, Kamiya, et al., 1981 | N2, 2. K/min; Column length: 50. m; Column diameter: 0.28 mm; Tstart: 80. C; Tend: 200. C |
Van Den Dool and Kratz RI, non-polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | BPX-5 | 1037. | Ames, Guy, et al., 2001 | 50. m/0.32 mm/0.25 μm, He, 60. C @ 5. min, 4. K/min, 250. C @ 10. min |
| Capillary | BPX-5 | 1034. | Ames, Guy, et al., 2001 | 50. m/0.32 mm/0.25 μm, He, 60. C @ 5. min, 4. K/min, 250. C @ 10. min |
| Capillary | DB-1 | 993. | Kim, 2001 | 60. m/0.32 mm/1. μm, He, 40. C @ 5. min, 2. K/min; Tend: 220. C |
| Capillary | BPX-5 | 1041. | Oruna-Concha, Duckham, et al., 2001 | 50. m/0.32 mm/0.25 μm, He, 35. C @ 3. min, 4. K/min, 250. C @ 10. min |
| Capillary | DB-1 | 1001. | Wu, Wang, et al., 2000 | 60. m/0.25 mm/1. μm, N2, 5. K/min, 200. C @ 30. min; Tstart: 30. C |
| Capillary | BPX-5 | 1032. | Ames, Defaye, et al., 1997 | 50. m/0.325 mm/0.5 μm, He, 50. C @ 2. min, 4. K/min, 250. C @ 10. min |
| Capillary | BPX-5 | 1035. | Ames, Defaye, et al., 1997 | 50. m/0.325 mm/0.5 μm, He, 50. C @ 2. min, 4. K/min, 250. C @ 10. min |
| Capillary | DB-1 | 989. | Specht and Baltes, 1994 | 60. m/0.25 mm/0.25 μm, 35. C @ 10. min, 2. K/min, 280. C @ 10. min |
| Capillary | HP-1 | 989. | Zhang, Dorjpalam, et al., 1992 | 50. m/0.32 mm/1.5 μm, 2. K/min, 220. C @ 30. min; Tstart: 40. C |
Van Den Dool and Kratz RI, non-polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | CP-Sil 8CB-MS | 1023. | Elmore, Mottram, et al., 2000 | 60. m/0.25 mm/0.25 μm, He; Program: 0C(5min) => 40C/min => 40C (2min) => 4C/min => 280C |
| Capillary | BPX-5 | 1031. | Elmore, Mottram, et al., 1999 | 50. m/0.32 mm/0.5 μm, He; Program: 0C(5min) => 40C/min => 40C(2min) => 4C/min => 280C |
| Capillary | DB-5 | 1012. | Beal and Mottram, 1994 | 30. m/0.32 mm/1.0 μm, He; Program: 5 0C (0.5 min) -> (1 min) 60 0C (5 min) 4 0C/min -> 250 0C |
| Capillary | DB-1 | 994. | Kuo, Zhang, et al., 1989 | 60. m/0.32 mm/0.25 μm, He; Program: -40C => 40C/min => 40C => 2C/min => 260C |
Van Den Dool and Kratz RI, polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | DB-Wax | 1495. | Pozo-Bayon M.A., Ruiz-Rodriguez A., et al., 2007 | 30. m/0.25 mm/0.5 μm, He, 40. C @ 5. min, 4. K/min, 250. C @ 15. min |
| Capillary | DB-Wax | 1488. | Kim, 2001 | 60. m/0.25 mm/0.25 μm, He, 40. C @ 5. min, 2. K/min, 200. C @ 30. min |
| Capillary | DB-Wax | 1493. | Shimoda, Shiratsuchi, et al., 1996 | 60. m/0.25 mm/0.25 μm, He, 2. K/min, 230. C @ 60. min; Tstart: 50. C |
Van Den Dool and Kratz RI, polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | DB-Wax | 1476. | Cantergiani, Brevard, et al., 2001 | 30. m/0.25 mm/0.25 μm; Program: 20C(30s) => fast => 60C => 4C/min => 220C (20min) |
Normal alkane RI, non-polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | MDN-5 | 1025. | van Loon, Linssen, et al., 2005 | 60. m/0.25 mm/0.25 μm, He, 40. C @ 4. min, 4. K/min, 270. C @ 5. min |
| Capillary | MDN-5 | 1025. | van Loon, Linssen, et al., 2005 | 60. m/0.25 mm/0.25 μm, He, 40. C @ 4. min, 4. K/min, 270. C @ 5. min |
| Capillary | HP-5 | 1022. | Boylston and Viniyard, 1998 | 50. m/0.32 mm/0.52 μm, 35. C @ 15. min, 2. K/min, 250. C @ 45. min |
| Capillary | DB-1 | 992. | Buttery, Ling, et al., 1997 | 30. C @ 25. min, 4. K/min, 200. C @ 20. min; Column length: 60. m; Column diameter: 0.25 mm |
| Capillary | DB-1 | 999. | Yu and Ho, 1995 | 60. m/0.25 mm/1. μm, He, 40. C @ 5. min, 2. K/min, 260. C @ 60. min |
| Capillary | DB-1 | 1001. | Yu, Wu, et al., 1994 | 60. m/0.25 mm/1.0 μm, He, 40. C @ 5. min, 2. K/min, 260. C @ 60. min |
Normal alkane RI, polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | FFAP | 1516. | Budryn, Nebesny, et al., 2011 | 30. m/0.32 mm/0.50 μm, Nitrogen, 35. C @ 5. min, 4. K/min, 250. C @ 45. min |
| Capillary | ZB-Wax | 1538. | Marin, Pozrl, et al., 2008 | 60. m/0.32 mm/0.50 μm, Helium, 40. C @ 5. min, 4. K/min, 220. C @ 5. min |
| Capillary | FFAP | 1516. | Nebesny, Budryn, et al., 2007 | 30. m/0.32 mm/0.5 μm, N2, 35. C @ 5. min, 4. K/min, 320. C @ 45. min |
| Capillary | TC-Wax | 1513. | Ishikawa, Ito, et al., 2004 | 60. m/0.25 mm/0.5 μm, He, 40. C @ 8. min, 3. K/min; Tend: 230. C |
| Capillary | DB-Wax | 1489. | Tanaka, Yamauchi, et al., 2003 | 30. m/0.25 mm/0.25 μm, 30. C @ 1. min, 4. K/min; Tend: 250. C |
| Capillary | HP-Wax | 1520. | Sanz, Maeztu, et al., 2002 | 60. m/0.25 mm/0.5 μm, He, 40. C @ 6. min, 3. K/min; Tend: 190. C |
| Capillary | HP-Wax | 1529. | Sanz, Ansorena, et al., 2001 | 60. m/0.25 mm/0.5 μm, He, 40. C @ 6. min, 3. K/min; Tend: 190. C |
| Capillary | Carbowax 20M | 1498. | Shibamoto and Russell, 1977 | 1. K/min; Column length: 100. m; Column diameter: 0.25 mm; Tstart: 70. C; Tend: 170. C |
| Capillary | Carbowax 20M | 1500. | Shibamoto and Russell, 1977 | 1. K/min; Column length: 100. m; Column diameter: 0.25 mm; Tstart: 70. C; Tend: 170. C |
Normal alkane RI, polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | DB-Wax | 1485. | Gonzalez-Rios, Suarez-Quiroz, et al., 2007 | 30. m/0.25 mm/0.25 μm, Hydrogen; Program: 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.
Shibamoto, Kamiya, et al., 1981
Shibamoto, T.; Kamiya, Y.; Mihara, S.,
Isolation and identification of volatile compounds in cooked meat: sukiyaki,
J. Agric. Food Chem., 1981, 29, 1, 57-63, https://doi.org/10.1021/jf00103a015
. [all data]
Ames, Guy, et al., 2001
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]
Kim, 2001
Kim, J.S.,
Einfluss der Temperatur beim Rösten von Sesam auf Aroma und antioxidative Eigenschaften des Öls, PhD Thesis, Technischen Universität Berlin zur Erlangung des akademischen Grades, Berlin, 2001, 151. [all data]
Oruna-Concha, Duckham, et al., 2001
Oruna-Concha, M.J.; Duckham, S.C.; Ames, J.M.,
Comparison of volatile compounds isolated from the skin and flesh of four potato cultivars after baking,
J. Agric. Food Chem., 2001, 49, 5, 2414-2421, https://doi.org/10.1021/jf0012345
. [all data]
Wu, Wang, et al., 2000
Wu, C.-M.; Wang, Z.; Wu, Q.H.,
Volatile compounds produced from monosodium glutamate in common food cooking,
J. Agric. Food Chem., 2000, 48, 6, 2438-2442, https://doi.org/10.1021/jf9907743
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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]
Specht and Baltes, 1994
Specht, K.; Baltes, W.,
Identification of volatile flavor compounds with high aroma values from shallow-fried beef,
J. Agric. Food Chem., 1994, 42, 10, 2246-2253, https://doi.org/10.1021/jf00046a031
. [all data]
Zhang, Dorjpalam, et al., 1992
Zhang, Y.; Dorjpalam, B.; Ho, C.-T.,
Contribution of peptides to volatile formation in the Maillard reaction of casein hydrolysate with glucose,
J. Agric. Food Chem., 1992, 40, 12, 2467-2471, https://doi.org/10.1021/jf00024a026
. [all data]
Elmore, Mottram, et al., 2000
Elmore, J.S.; Mottram, D.S.; Enser, M.; Wood, J.D.,
The effects of diet and breed on the volatile compounds of cooked lamb,
Meat Sci., 2000, 55, 2, 149-159, https://doi.org/10.1016/S0309-1740(99)00137-0
. [all data]
Elmore, Mottram, et al., 1999
Elmore, J.S.; Mottram, D.S.; Enser, M.; Wood, J.D.,
Effect of the polyunsaturated fatty acid composition of beef muscle on the profile of aroma volatiles,
J. Agric. Food Chem., 1999, 47, 4, 1619-1625, https://doi.org/10.1021/jf980718m
. [all data]
Beal and Mottram, 1994
Beal, A.D.; Mottram, D.S.,
Compounds contributing to the characteristic aroma of malted barley,
J. Agric. Food Chem., 1994, 42, 12, 2880-2884, https://doi.org/10.1021/jf00048a043
. [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]
Pozo-Bayon M.A., Ruiz-Rodriguez A., et al., 2007
Pozo-Bayon M.A.; Ruiz-Rodriguez A.; Pernin K.; Cayot N.,
Influence of eggs on the aroma composition of a sponge cake and on the aroma release in model studies on flavored sponge cakes,
J. Agric. Food Chem., 2007, 55, 4, 1418-1426, https://doi.org/10.1021/jf062203y
. [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]
Cantergiani, Brevard, et al., 2001
Cantergiani, E.; Brevard, H.; Krebs, Y.; Feria-Morales, A.; Amadò, R.; Yeretzian, C.,
Characterisation of the aroma of green Mexican coffee and identification of mouldy/earthy defect,
Eur. Food Res. Technol., 2001, 212, 6, 648-657, https://doi.org/10.1007/s002170100305
. [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
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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]
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]
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]
Budryn, Nebesny, et al., 2011
Budryn, G.; Nebesny, E.; Kula, J.; Majda, T.; Krysiak, W.,
HS-SPME/GC/MS Profiles of convectively and microwave roasted Ivory Coast Robusta coffee brews,
Czech. J. Food Sci., 2011, 29, 2, 151-160. [all data]
Marin, Pozrl, et al., 2008
Marin, K.; Pozrl, T.; Zlatic, E.; Plestenjak, A.,
A new aroma index to determine the aroma quality of roasted and ground coffee during storage,
Food Technol. Biotechnol., 2008, 46, 4, 442-447. [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
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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,
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Tanaka, Yamauchi, et al., 2003
Tanaka, T.; Yamauchi, T.; Katsumata, R.; Kiuchi, K.,
Comparison of volatile components in commercial Itohiki-Natto by solid phase microextraction and gas chromatography,
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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,
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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
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Shibamoto and Russell, 1977
Shibamoto, T.; Russell, G.F.,
A study of the volatiles isolated from a D-glucose-hydrogen sulfide-ammonia model system,
J. Agric. Food Chem., 1977, 25, 1, 109-112, https://doi.org/10.1021/jf60209a054
. [all data]
Gonzalez-Rios, Suarez-Quiroz, et al., 2007
Gonzalez-Rios, O.; Suarez-Quiroz, M.L.; Boulanger, R.; Barel, M.; Guyot, B.; Guiraud, J.-P.; Schorr-Galindo, S.,
Impact of ecological post-harvest processing of coffee aroma: II Roasted coffee.,
J. Food Composition Analysis, 2007, 20, 3-4, 297-307, https://doi.org/10.1016/j.jfca.2006.12.004
. [all data]
Notes
Go To: Top, Gas Chromatography, References
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