Different metabolite phenotypes in three types of daqu were mainly caused by 21 metabolic pathways.Yang, LiangFan, WenlaiXu, YanJiangnan Univ Sch Biotechnol Key Lab Ind Biotechnol Lab Brewing Microbiol &LWT-Food Science & Technology
Two-dimensional gas chromatography (GC×GC) and GC×GC-time of flight (TOF)-mass spectrometry (MS) have received increasing attention as powerful techniques for separation and analysis of extremely complex mixtures. Over the past 20 years, solid-phase microextraction (SPME) has become a staple ...
Automated on-line comprehensive two-dimensional LC x GC and LC x GC-ToF MS: Instrument design and application to edible oil and fat analysis . De Koning S, Janssen HG, Van Deursen M, Brinkman UAT . J Sep Sci ( 2004 ) 27 397 ....
Toward automated peak reso- lution in complete GC T GC-TOFMS chromatograms by PARAFAC. J Chemometrics. 2009;23:421- 431.Hoggard,J.C. et al. (2009) Toward automated peak resolution in complete GC x GC-TOFMS chromatograms by PARAFAC. J. Chemometr., 23, 421-431....
HS-SPME/GC×GC-TOFMS was carried out to explore the volatile components of Z. motuoense pericarp. To elucidate the unique aroma of Z. motuoense, Z. bungeanum pericarp was used as a comparison. By using methods of multivariate statistical analysis and flavor-omics analysis, the differences ...
The HS-SPME-GC-MS technique exhibits notable sensitivity when analyzing high-molecular-weight substances, yet it presents specific constraints when attempting to identify low-molecular-weight compounds and trace substances, particularly in the investigation of differentiating minute concentrations of VOCs ...
Therefore, GC × GC–TOFMS was used in this study to characterize the volatile components of SBT. The orthogonal partial least squares discriminate analysis (OPLS-DA) was used to carry out pairwise comparison analysis of samples in the processing stage, and the differential compounds were ...