# 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 esters & & & & & & \\ Methyl hexadecanoate & 112-39-0 & 45.681 & C\({}_{17}\)H\({}_{34}\)O\({}_{2}\) & 2222 & 0 & RI, Homeflavor, HRF \\ Methyl nonanoate & 1731-84-6 & 26.025 & C\({}_{10}\)H\({}_{20}\)O\({}_{2}\) & 1494 & 3 & RI, Nist, HRF \\ Methyl propionate & 554-12-1 & 7.671 & C\({}_{4}\)H\({}_{8}\)O\({}_{2}\) & 909 & 4 & RI, Nist, HRF \\ Methyl 2-methylbutanoate & 868-57-5 & 10.146 & C\({}_{6}\)H\({}_{12}\)O\({}_{2}\) & 1012 & 4 & RI, Nist, HRF \\ Methyl decanoate & 110-42-9 & 29.308 & C\({}_{11}\)H\({}_{22}\)O\({}_{2}\) & 1597 & 4 & RI, Nist, HRF \\ Methyl octanoate & 111-11-5 & 22.661 & C\({}_{9}\)H\({}_{8}\)O\({}_{2}\) & 1391 & 5 & RI, Homeflavor, HRF \\ Ethyl acetate & 141-78-6 & 7.291 & C\({}_{4}\)H\({}_{8}\)O\({}_{2}\) & 890 & 6 & RI, Homeflavor, HRF \\ Methyl butanoate & 623-42-7 & 9.485 & C\({}_{5}\)H\({}_{10}\)O\({}_{2}\) & 988 & 6 & RI, Homeflavor, HRF \\ Methyl tetradecanoate & 124-10-7 & 40.685 & C\({}_{15}\)H\({}_{30}\)O\({}_{2}\) & 2012 & 7 & RI, Nist, HRF \\ Vinyl hexanoate & 3050-69-9 & 16.871 & C\({}_{6}\)H\({}_{14}\)O\({}_{2}\) & 1220 & 13 & RI, Homeflavor, HRF \\ Octyl formate & 112-32-3 & 23.917 & C\({}_{9}\)H\({}_{18}\)O\({}_{2}\) & 1424 & 13 & RI, Homeflavor, HRF \\ \hline furans & & & & & & \\
2-n-Butylfuran & 4466-24-4 & 13.642 & C\({}_{8}\)H\({}_{12}\)O & 1124 & 1 & RI, Nist, HRF \\
2-Hexylfuran & 3777-70-6 & 20.606 & C\({}_{10}\)H\({}_{16}\)O\({}_{1327}\) & 6 & RI, Nist, HRF \\
2-n-Octylfuran & 4179-38-8 & 27.509 & C\({}_{12}\)H\({}_{20}\)O\({}_{2}\) & 1540 & 20 & RI, Nist, HRF \\
2-n-Hepptfuran & 3777-71-7 & 24.127 & C\({}_{11}\)H\({}_{18}\)O\({}_{1433}\) & 12 & RI, Nist, HRF \\
2-Pentylfuran & 3777-69-3 & 17.014 & C\({}_{9}\)H\({}_{14}\)O & 1224 & 17 & RI, Homeflavor, HRF \\ trans-2-(2-Pentenyl)furan & 70424-14-5 & 19.597 & C\({}_{9}\)H\({}_{12}\)O & 1298 & 16 & RI, Nist, HRF \\ \hline acids & & & & & \\ Octanoic acid & 124-07-2 & 41.818 & C\({}_{8}\)H\({}_{16}\)O\({}_{2}\) & 2059 & 1 & RI, Nist, HRF \\ Pentanoic acid & 109-52-4 & 33.403 & C\({}_{5}\)H\({}_{10}\)O\({}_{2}\) & 1739 & 6 & RI, Nist, HRF \\ Decanoic acid & 334-48-5 & 46.775 & C\({}_{10}\)H\({}_{20}\)O\({}_{2}\) & 2272 & 17 & RI, Homeflavor, HRF \\ Hexanoic acid & 142-62-1 & 36.336 & C\({}_{6}\)H\({}_{12}\)O\({}_{2}\) & 1846 & 18 & RI, Homeflavor, HRF \\ Heptanoic acid & 111-14-8 & 39.151 & C\({}_{7}\)H\({}_{14}\)O\({}_{2}\) & 1952 & 18 & RI, Homeflavor, HRF \\ Propanoic acid & 79-09-4 & 27.569 & C\({}_{3}\)H\({}_{6}\)O\({}_{2}\) & 1542 & 19 & RI, Homeflavor, HRF \\ Butanoic acid & 107-92-6 & 30.247 & C\({}_{4}\)H\({}_{8}\)O\({}_{2}\) & 1629 & 20 & RI, Homeflavor, HRF \\
2-Ethylhexanoic acid & 149-57-5 & 39.11 & C\({}_{8}\)H\({}_{16}\)O\({}_{2}\) & 1949 & 15 & RI, Homeflavor, HRF \\ Benzoic acid & 65-85-0 & 50.72 & C\({}_{7}\)H\({}_{6}\)O\({}_{2}\) & 2451 & 39 & RI, Nist, HRF \\ \hline sulfur-containing compounds & & & & & \\ Dimethyl sulfide & 75-18-3 & 5.559 & C\({}_{2}\)H\({}_{6}\)S & 752 & 2 & RI, Nist, HRF \\ Dimethyl sulfoxide & 67-68-5 & 28.535 & C\({}_{2}\)H\({}_{6}\)OS & 1571 & 2 & RI, Nist, HRF \\ Carbon disulfide & 75-15-0 & 5.428 & C\({}_{5}\) & 736 & 6 & RI, Homeflavor, HRF \\
2-Acetyl-2-thiazol & 29926-41-8 & 34.315 & C\({}_{8}\)H\({}_{3}\)O\({}_{2}\) & 1769 & 9 & RI, Homeflavor, HRF \\ Benzothiazole & 95-16-9 & 39.7 & C\({}_{7}\)H\({}_{8}\)NS & 1972 & 9 & RI, Homeflavor, HRF \\ Dimethyl sulfone & 67-71-0 & 38.08 & C\({}_{2}\)H\({}_{6}\)O\({}_{2}\)S & 1909 & 11 & RI, Homeflavor, HRF \\
3-Methylthioprepanal & 3268-49-3 & 25.067 & C\({}_{4}\)H\({}_{8}\)OS & 1462 & 7 & RI, Homeflavor, HRF \\ \hline ketones & & & & & \\
2-Pentanone & 107-87-9 & 9.292 & C\({}_{5}\)H\({}_{10}\)O & 979 & 2 & RI, Nist, HRF \\
3,5-Octadiene-2-one & 38284-27-4 & 27.051 & C\({}_{8}\)H\({}_{12}\)O & 1524 & 2 & RI, Nist, HRF \\
2-Butanone & 78-93-3 & 7.551 & C\({}_{4}\)H\({}_{8}\)O\({}_{2}\) & 905 & 3 & RI, Homeflavor, HRF \\ Acetoin & 513-86-0 & 19.532 & C\({}_{4}\)H\({}_{8}\)O\({}_{2}\) & 1295 & 3 & RI, Homeflavor, HRF \\
3-Nonanone & 925-78-0 & 21.577 & C\({}_{9}\)H\({}_{18}\)O & 1357 & 3 & RI, Nist, HRF \\ Nerylacetone & 3879-26-3 & 36.726 & C\({}_{13}\)H\({}_{22}\)O & 1859 & 4 & RI, Homeflavor, HRF \\
2,5-Octanedione & 3214-41-3 & 20.45 & C\({}_{8}\)H\({}_{14}\)O\({}_{2}\) & 1324 & 5 & RI, Nist, HRF \\
2,3-Pentanedione & 600-14-6 & 11.567 & C\({}_{5}\)H\({}_{8}\)O\({}_{2}\) & 1059 & 6 & RI, Homeflavor, HRF \\
2-Nonanone & 821-55-6 & 22.72 & C\({}_{9}\)H\({}_{18}\)O & 1391 & 6 & RI, Homeflavor, HRF \\
3-Undecanone & 2216-87-7 & 28.345 & C  
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**Component Name** & **CAS Number** & \