## 4 Conclusions
\begin{table}
\begin{tabular}{c c c c c c c c} \hline \hline \multirow{2}{*}{**No.**} & \multirow{2}{*}{**Compound**} & \multirow{2}{*}{**CAS**} & \multirow{2}{*}{**Molecular**} & \multirow{2}{*}{**Retention**} & \multirow{2}{*}{**Retention**} & \multirow{2}{*}{**Drift**} & \multirow{2}{*}{**Fresh-Processed**} & \multirow{2}{*}{**Processed**} \\  & & & **Formula** & & **Index** & & **Time (s)** & **Time (s)** \\ \hline
20 & 1,2-Dimethoxyethane & C110714 & C\({}_{4}\)H\({}_{10}\)O\({}_{2}\) & 90.1 & 634.6 & 1.3151 & 1.27 & 1.13 \\
21 & 1-Hexanol-M & C111273 & C\({}_{4}\)H\({}_{14}\)O & 102.2 & 865.5 & 1.3296 & 1.1 & 0.79 \\
22 & (E)-2-pentenal-M & C1576870 & C\({}_{5}\)H\({}_{8}\)O & 84.1 & 742.7 & 1.1065 & 1.42 & 0.83 \\
23 & 3-Hydroxy-2-butanone-M & C513860 & C\({}_{4}\)H\({}_{8}\)O\({}_{2}\) & 88.1 & 721.5 & 1.2476 & 0.76 & 0.48 \\
24 & 3-Pentanone-D & C96220 & C\({}_{5}\)H\({}_{10}\)O & 86.1 & 685.3 & 1.3474 & 4.12 & 1.97 \\
25 & 2-Pentyfuran & C3776793 & C\({}_{5}\)H\({}_{14}\)O & 138.2 & 980.5 & 1.257 & 0.89 & 0.36 \\
26 & 3-Octanol & C589980 & C\({}_{5}\)H\({}_{8}\)O & 130.2 & 994.9 & 1.4088 & 0.32 & 0.18 \\
27 & Ethylformate & C109944 & C\({}_{3}\)H\({}_{6}\)O\({}_{2}\) & 74.1 & 518 & 1.2181 & 0.56 & 0.62 \\
28 & 1-Pentanol-M & C71410 & C\({}_{5}\)H\({}_{2}\)O & 88.1 & 759.8 & 1.2556 & 0.88 & 0.44 \\
29 & 1-Pentent-3-one-M & C1629899 & C\({}_{5}\)H\({}_{8}\)O & 84.1 & 666.2 & 1.0786 & 0.87 & 0.38 \\
30 & 1-Hexanol-D & C111273 & C\({}_{4}\)H\({}_{10}\)O & 102.2 & 862.4 & 1.6442 & 0.53 & 0.25 \\
31 & 2,3-Butanedione & C431038 & C\({}_{4}\)H\({}_{6}\)O\({}_{2}\) & 86.1 & 608.4 & 1.17 & 0.4 & 0.25 \\
32 & 3-Hydroxy-2-butanone-D & C513860 & C\({}_{4}\)H\({}_{8}\)O\({}_{2}\) & 88.1 & 722.1 & 1.4986 & 0.33 & 0.17 \\
33 & 2-Ethylfuran & C3028160 & C\({}_{4}\)H\({}_{8}\)O\({}_{9}\) & 96.1 & 741.2 & 1.3078 & 0.42 & 0.18 \\
34 & (Z)-4-Heptrenal & C6728810 & C\({}_{7}\)H\({}_{2}\)O & 112.2 & 889.2 & 1.1492 & 1.25 & 0.31 \\
35 & 3-Heptanol & C589822 & C\({}_{7}\)H\({}_{6}\)O & 116.2 & 887.8 & 1.6596 & 0.76 & 0.38 \\
36 & 1-Propanol & C71238 & C\({}_{3}\)H\({}_{8}\)O & 60.1 & 537.2 & 1.253 & 0.43 & 0.21 \\
37 & (E)-2-octanal-M & C2548870 & C\({}_{5}\)H\({}_{14}\)O & 126.2 & 1055.9 & 1.3364 & 0.97 & 0.1 \\
38 & (E)-2-octanal-D & C2548870 & C\({}_{5}\)H\({}_{14}\)O & 126.2 & 1055.9 & 1.8278 & 0.32 & 0.14 \\
39 & Dimethyl trisulfide & C3658808 & C\({}_{2}\)H\({}_{5}\)S\({}_{3}\) & 126.3 & 980.5 & 1.3098 & 0.45 & 0.11 \\
40 & (E)-2-heptrenal-M & C18829555 & C\({}_{7}\)H\({}_{2}\)O & 112.2 & 949.2 & 1.2592 & 1 & 0.12 \\
41 & (E)-2-heptrenal-D & C18829555 & C\({}_{7}\)H\({}_{2}\)O & 112.2 & 946.9 & 1.6728 & 0.41 & 0.12 \\
42 & Heptanal-D & C1117177 & C\({}_{7}\)H\({}_{14}\)O & 114.2 & 890.6 & 1.6948 & 1.88 & 0.29 \\
43 & 1-Pentanol-D & C71410 & C\({}_{5}\)H\({}_{2}\)O & 88.1 & 755.3 & 1.5145 & 0.43 & 0.13 \\
44 & (E)-2-pentenal-D & C1576870 & C\({}_{5}\)H\({}_{9}\)O & 84.1 & 741.6 & 1.3621 & 3.12 & 0.37 \\
45 & 1-Penten-3-one-D & C1629858 & C\({}_{5}\)H\({}_{8}\)O & 84.1 & 667.1 & 1.3112 & 4.32 & 0.21 \\
46 & butyl lactate & C323227 & C\({}_{7}\)H\({}_{4}\)O\({}_{3}\) & 146.2 & 1016.5 & 1.2675 & 1.35 & 0.28 \\
47 & alpha-Phellandrene & C99832 & C\({}_{10}\)H\({}_{16}\) & 136.2 & 1017.3 & 1.692 & 0.64 & 0.18 \\
48 &henylacetaldehyde & C122781 & C\({}_{8}\)H\({}_{8}\)O & 120.2 & 1021 & 1.2457 & 0.67 & 0.88 \\
49 & 2-Heptanone & C10430 & C\({}_{7}\)H\({}_{4}\)O & 114.2 & 881.2 & 1.6332 & 0.5 & 0.57 \\ \hline \hline \end{tabular} Note: M: monomer; D: dimer.  
\end{table} 
Table 9: _Cont._  
**Author Contributions:** Conceptualisation, X.M. and Y.M. ; Methodology, D.Y. and Y.P. ; Resources, X.M. and Y.M. ; Data curation, X.M., L.L., Y.L. and D.Y. ; Writing--original draft, X.M. and D.Y. ; Writing--review and editing, X.M. and Y.M. ; Supervision, T.Z. ; Funding acquisition, X.M. and Y.P. contributed equally to this work. All authors have read and agreed to the published version of the manuscript.