# Untargeted Profiling and Differentiation of Volatiles in Varieties of Meat Using GC Orbitrap MS
## 3 Results and Discussions
### Identification of Volatile Compounds in Different Meats
 \\ \hline aldehydes & & & & & & & \\
2-Methylbenzaldehyde & 529-20-4 & 30.424 & C\({}_{8}\)H\({}_{8}\)O & 1636 & 4 & RI, Nist, HRF \\ (2E,4E)-Nonadienal & 5910-87-2 & 32.584 & C\({}_{9}\)H\({}_{4}\)O & 1709 & 4 & RI, Homeflavor, HRF \\ (2E,4E)-Decadienal & 25152-84-5 & 35.647 & C\({}_{10}\)H\({}_{16}\)O & 1819 & 4 & RI, Homeflavor, HRF \\ Hexadecanal & 629-80-1 & 43.834 & C\({}_{16}\)H\({}_{32}\)O & 2142 & 5 & RI, Homeflavor, HRF \\
2-Octenal & 2363-89-5 & 24.15 & C\({}_{8}\)H\({}_{14}\)O & 1434 & 6 & RI, Homeflavor, HRF \\ (2E,4E)-Heptadienal & 4313-03-5 & 26.297 & C\({}_{7}\)H\({}_{10}\)O & 1501 & 6 & RI, Homeflavor, HRF \\ (2E)-Nonneal & 18829-56-6 & 27.555 & C\({}_{9}\)H\({}_{16}\)O & 1541 & 6 & RI, Homeflavor, HRF \\ (2E)-Heptenal & 18829-55-5 & 20.629 & C\({}_{7}\)H\({}_{12}\)O & 1328 & 7 & RI, Homeflavor, HRF \\ Nonanal & 124-19-6 & 22.911 & C\({}_{9}\)H\({}_{18}\)O & 1395 & 7 & RI, Homeflavor, HRF \\ Decanal & 112-31-2 & 26.306 & C\({}_{10}\)H\({}_{20}\)O & 1501 & 7 & RI, Homeflavor, HRF \\ Benzaldehyde & 100-52-7 & 27.374 & C\({}_{7}\)H\({}_{6}\)O & 1534 & 7 & RI, Homeflavor, HRF \\ Benzeneacetaldehyde & 122-78-1 & 30.977 & C\({}_{8}\)H\({}_{8}\)O & 1654 & 7 & RI, Homeflavor, HRF \\ (2E)-Undecenal & 53448-07-0 & 34.04 & C\({}_{11}\)H\({}_{20}\)O & 1759 & 7 & RI, Homeflavor, HRF \\ Pentanal & 110-62-3 & 9.357 & C\({}_{8}\)H\({}_{10}\)O & 982 & 9 & RI, Homeflavor, HRF \\ (2E)-Decenal & 3913-81-3 & 30.846 & C\({}_{10}\)H\({}_{18}\)O & 1650 & 9 & RI, Homeflavor, HRF \\ Dodecanal & 112-54-9 & 32.741 & C\({}_{12}\)H\({}_{24}\)O & 1715 & 9 & RI, Homeflavor, HRF \\ Heptanal & 111-71-7 & 15.634 & C\({}_{7}\)H\({}_{14}\)O & 1182 & 10 & RI, Homeflavor, HRF \\ Acetaldehyde & 75-07-0 & 5.212 & C\({}_{2}\)H\({}_{4}\)O & 709 & 11 & RI, Homeflavor, HRF \\ Octanal & 124-13-0 & 19.251 & C\({}_{8}\)H\({}_{16}\)O & 1288 & 10 & RI, Homeflavor, HRF \\ Hexanal & 66-25-1 & 12.384 & C\({}_{6}\)H\({}_{12}\)O & 1084 & 14 & RI, Homeflavor, HRF \\
2-Undecenal & 2463-77-6 & 34.327 & C\({}_{11}\)H\({}_{20}\)O & 1771 & 20 & RI, Nist, HRF \\
4-Pentybenzaldehyde & 6853-57-2 & 40.865 & C\({}_{12}\)H\({}_{16}\)O & 2019 & 16 & RI, Nist, HRF \\ (2E,4Z)-Decaional & 25152-83-4 & 34.34 & C\({}_{10}\)H\({}_{16}\)O & 1771 & 17 & RI, Nist, HRF \\
5-Ethylcyclopent-1- & 36431-60-4 & 23.814 & C\({}_{8}\)H\({}_{12}\)O & 1424 & 14 & RI, Nist, HRF \\ enecarboxaldehyde & & & & & & \\ \hline lactones & & & & & & \\ \(\gamma\)-Hexalactone & 695-06-7 & 32.725 & C\({}_{6}\)H\({}_{10}\)O\({}_{2}\) & 1715 & 8 & RI, Homeflavor, HRF \\ \(\gamma\)-Octalactone & 104-50-7 & 38.574 & C\({}_{8}\)H\({}_{14}\)O\({}_{2}\) & 1930 & 8 & RI, Homeflavor, HRF \\ \(\gamma\)-Nonanolactone & 104-61-0 & 41.418 & C\({}_{6}\)H\({}_{6}\)O\({}_{2}\) & 2043 & 8 & RI, Homeflavor, HRF \\ Butylrolactone & 96-48-0 & 30.624 & C\({}_{4}\)H\({}_{6}\)O\({}_{2}\) & 1642 & 10 & RI, Homeflavor, HRF \\ \hline others & & & & & & \\ Furfural & 98-01-1 & 25.323 & C\({}_{5}\)H\({}_{4}\)O\({}_{2}\) & 1470 & 7 & RI, Homeflavor, HRF \\
5-Ethyl-2-furaldehyde & 23074-10-4 & 30.713 & C\({}_{7}\)H\({}_{8}\)O\({}_{2}\) & 1645 & 0 & RI, Nist, HRF \\ Butylated Hydroxytoluene & 128-37-0 & 38.275 & C\({}_{15}\)H\({}_{24}\)O & 1917 & 8 & RI, Nist, HRF \\
2,4-Di-tert-butylphenol & 96-76-4 & 47.638 & C\({}_{14}\)H\({}_{22}\)O & 2309 & 9 & RI, Nist, HRF \\ Camphor & 76-22-2 & 27.144 & C\({}_{10}\)H\({}_{16}\)O & 1528 & 10 & RI, Nist, HRF \\
1,8-Cineole & 470-82-6 & 16.37 & C\({}_{10}\)H\({}_{8}\)O & 1206 & 11 & RI, Homeflavor, HRF \\
2-phenoxyethanol & 122-99-6 & 44.005 & C\({}_{8}\)H\({}_{10}\)O\({}_{2}\) & 2148 & 12 & RI, Homeflavor, HRF \\
2-Metchoxy-4-vinylphenol & 7786-61-0 & 45.29 & C\({}_{6}\)H\({}_{10}\)O\({}_{2}\) & 2204 & 12 & RI, Homeflavor, HRF \\
4-ethyl-1,2-dimethylbenzene & 934-80-5 & 21.747 & C\({}_{10}\)H\({}_{14}\) & 1362 & 14 & RI, Nist, HRF \\ Indole & 120-72-9 & 50.997 & C\({}_{8}\)H\({}_{7}\)N & 2462 & 17 & RI, Nist, HRF \\
2-hydroxybenzaldehyde & 90-02-8 & 32.095 & C\({}_{7}\)H\({}_{6}\)O\({}_{2}\) & 1692 & 20 & RI, Nist, HRF \\
2,6-Di-tert-butyl-4-hydroxy-4- & 10396-80-2 & 42.772 & C\({}_{15}\)H\({}_{24}\)O\({}_{2}\) & 2096 & 20 & RI, Nist, HRF \\ methylcyclohex-2,5-dien-1-one & & & & & & \\ trans-Linaload oxide & 34995-77-2 & 25.392 & C\({}_{10}\)H\({}_{18}\)O\({}_{2}\) & 1473 & 21 & RI, Nist, HRF \\
2,6,6-Trimethyl-1-cyclohexene-1- & & & & & & \\ carboxaldehyde & & & & & & \\ (-)-Epicedrol & 19903-73-2 & 43.72