2,3-Dimethyl-5-ethylpyrazine


Van Den Dool and Kratz 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 BPX-5BPX-5BPX-5BPX-5DB-1
Column length (m) 50.50.50.50.50.
Carrier gas HeHeHeHeHe
Substrate      
Column diameter (mm) 0.320.320.320.3250.32
Phase thickness (μm) 0.50.250.250.51.05
Tstart (C) 60.60.60.50.40.
Tend (C) 250.250.250.250.260.
Heat rate (K/min) 4.4.4.4.2.
Initial hold (min) 5.5.5.2. 
Final hold (min) 10.10.10.10.40.
I 1097.1096.1096.1094.1065.
ReferenceAmes, Guy, et al., 2001Ames, Guy, et al., 2001, 2Ames, Guy, et al., 2001, 2Ames, Defaye, et al., 1997Izzo and Ho, 1991
Comment MSDC-RI MSDC-RI MSDC-RI MSDC-RI MSDC-RI
Column type Capillary
Active phase DB-1
Column length (m) 60.
Carrier gas He
Substrate  
Column diameter (mm) 0.25
Phase thickness (μm) 0.25
Tstart (C) 40.
Tend (C) 220.
Heat rate (K/min) 2.
Initial hold (min)  
Final hold (min) 10.
I 1068.
ReferenceZhang and Ho, 1991
Comment MSDC-RI

References

Go To: Top, Van Den Dool and Kratz 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.

Ames, Guy, et al., 2001
Ames, J.M.; Guy, R.C.E.; Kipping, G.J., Effect of pH and temperature on the formation of volatile compounds in cysteine/reducing sugar/starch mixtures during extrusion cooking, J. Agric. Food Chem., 2001, 49, 4, 1885-1894, https://doi.org/10.1021/jf0012547 . [all data]

Ames, Guy, et al., 2001, 2
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]

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]

Izzo and Ho, 1991
Izzo, H.V.; Ho, C.-T., Isolation and identification of the volatile components of an extruded autolyzed yeast extract, J. Agric. Food Chem., 1991, 39, 12, 2245-2248, https://doi.org/10.1021/jf00012a029 . [all data]

Zhang and Ho, 1991
Zhang, Y.; Ho, C.-T., Comparison of the volatile compounds formed from the thermal reaction of glucose with cysteine and glutathione, J. Agric. Food Chem., 1991, 39, 4, 760-763, https://doi.org/10.1021/jf00004a029 . [all data]


Notes

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