## 2 Materials and Methods
### Chemicals
\begin{table}
\begin{tabular}{c c c c c c} \hline \hline
**Aroma** & **CAS** & **Chemical** & & **Configure** & & **Linearly Dependent** \\
**C\({}_{6}\) Compounds** & **CAS** & **Chemical** & **Commula** & **Range** & & **Coefficient** \\ \hline \multirow{6}{*}{C\({}_{6}\) Compounds} & 111-27-3 & C\({}_{6}\)H\({}_{4}\)O & Hexanol & 100–160 \(\mathrm{\SIUnitSymbolMicro}\)/L & y = 1.2458x \(-\) 0.0375 & R\({}^{2}\) = 0.9643 \\  & 66-25-1 & C\({}_{6}\)H\({}_{2}\)O & Hexanol & 10–160 \(\mathrm{\SIUnitSymbolMicro}\)/L & y = 8.0136x + 0.011 & R\({}^{2}\) = 0.9997 \\  & 928-95-0 & C\({}_{6}\)H\({}_{2}\)O & (E)-2-Hexanol & 10–160 \(\mathrm{\SIUnitSymbolMicro}\)/L & y = 2.4937x \(-\) 0.009 & R\({}^{2}\) = 0.9986 \\  & 928-94-9 & C\({}_{6}\)H\({}_{2}\)O & (E)-2-Hexanol & 10–160 \(\mathrm{\SIUnitSymbolMicro}\)/L & y = 2.656x \(-\) 0.0033 & R\({}^{2}\) = 0.9981 \\  & 6728-26-3 & C\({}_{6}\)H\({}_{2}\)O & (E)-2-Hexanal & 100–160 \(\mathrm{\SIUnitSymbolMicro}\)/L & y = 3.3488x + 0.8776 & R\({}^{2}\) = 0.9972 \\  & 142-83-6 & C\({}_{6}\)H\({}_{8}\)O & (E, E)-2,4-Hexadien & 10–160 \(\mathrm{\SIUnitSymbolMicro}\)/L & y = 5.3355x \(-\) 0.0463 & R\({}^{2}\) = 0.9946 \\ \hline \multirow{6}{*}{Alcohols} & 111-87-5 & C\({}_{8}\)H\({}_{8}\)O & Octanol & 10–160 \(\mathrm{\SIUnitSymbolMicro}\)/L & y = 51.698x \(-\) 0.5564 & R\({}^{2}\) = 0.9957 \\  & 143-08-8 & C\({}_{6}\)H\({}_{2}\)O & 1–Nonanol & 10–160 \(\mathrm{\SIUnitSymbolMicro}\)/L & y = 71.56x \(-\) 1.2978 & R\({}^{2}\) = 0.9913 \\  & 123-96-6 & C\({}_{8}\)H\({}_{8}\)O & 2–Octanol & 10–160 \(\mathrm{\SIUnitSymbolMicro}\)/L & y = 35.682x \(-\) 0.5183 & R\({}^{2}\) = 0.9861 \\  & 3391-86-4 & C\({}_{8}\)H\({}_{6}\)O & 1–Octen-3-ol & 10–160 \(\mathrm{\SIUnitSymbolMicro}\)/L & y = 24.777x \(-\) 0.1763 & R\({}^{2}\) = 0.9982 \\  & 111-70-6 & C\({}_{7}\)H\({}_{6}\)O & 1–Hepton & 1–160 \(\mathrm{\SIUnitSymbolMicro}\)/L & y = 29.935x \(-\) 0.1722 & R\({}^{2}\) = 0.9963 \\  & 123-51-3 & C\({}_{8}\)H\({}_{2}\)O & 3-Methyl-1-butanol & 10–160 \(\mathrm{\SIUnitSymbolMicro}\)/L & y = 4.2804x \(-\) 0.1309 & R\({}^{2}\) = 0.9473 \\  & 626-89-1 & C\({}_{6}\)H\({}_{4}\)O & 4-Methyl-1-pentanol & 10–160 \(\mathrm{\SIUnitSymbolMicro}\)/L & y = 2.1821x \(+\) 0.2708 & R\({}^{2}\) = 0.9911 \\  & 104-76-7 & C\({}_{6}\)H\({}_{8}\)O & 2–Ethlyhexanol & 10–160 \(\mathrm{\SIUnitSymbolMicro}\)/L & y = 52.137x \(-\) 0.4486 & R\({}^{2}\) = 0.9967 \\  & 60-12-8 & C\({}_{6}\)H\({}_{10}\)O & Phenethyl alcohol & 10–160 \(\mathrm{\SIUnitSymbolMicro}\)/L & y = 4.4301x \(-\) 0.2658 & R\({}^{2}\) = 0.9537 \\  & 589-98-0 & C\({}_{6}\)H\({}_{8}\)O & 3–Octanol & 10–160 \(\mathrm{\SIUnitSymbolMicro}\)/L & y = 3.532x \(-\) 0.8656 & R\({}^{2}\) = 0.9944 \\  & 100-51-6 & C\({}_{7}\)H\({}_{8}\)O & Benzyl alcohol & 10–160 \(\mathrm{\SIUnitSymbolMicro}\)/L & y = 3.3507x \(-\) 0.1344 & R\({}^{2}\) = 0.9955 \\  & 137-32-6 & C\({}_{5}\)H\({}_{12}\)O & 2-Methyl-1-butanol & 100–160 \(\mathrm{\SIUnitSymbolMicro}\)/L & y = 7.0677x \(-\) 0.0259 & R\({}^{2}\) = 0.9991 \\  & 543-49-7 & C\({}_{7}\)H\({}_{6}\)O & 2-Heptanol & 10–160 \(\mathrm{\SIUnitSymbolMicro}\)/L & y = 5.8322x \(+\) 0.446 & R\({}^{2}\) = 0.9918 \\ \hline \multirow{6}{*}{Alcohols} & 123-86-4 & C\({}_{6}\)H\({}_{2}\)O\({}_{2}\) & Butyl acetate & 10–160 \(\mathrm{\SIUnitSymbolMicro}\)/L & y = 6.2698x \(-\) 0.0748 & R\({}^{2}\) = 0.9852 \\  & 142-92-7 & C\({}_{8}\)H\({}_{16}\)O\({}_{2}\) & Hexyl acetate & 10–160 \(\mathrm{\SIUnitSymbolMicro}\)/L & y = 77.214x \(-\) 2.5275 & R\({}^{2}\) = 0.9922 \\  & 119-36-8 & C\({}_{8}\)H\({}_{8}\)O\({}_{8}\) & Methyl salicylate & 10–160 \(\mathrm{\SIUnitSymbolMicro}\)/L & y = 33.87x \(-\) 1.4589 & R\({}^{2}\) = 0.9913 \\  & 93-88-3 & C\({}_{8}\)H\({}_{8}\)O\({}_{2}\) & Methyl benzoate & 10–160 \(\mathrm{\SIUnitSymbolMicro}\)/L & y = 43.754x \(-\) 1.3116 & R\({}^{2}\) = 0.9918 \\  & 141-32-2 & C\({}_{7}\)H\({}_{12}\)O\({}_{2}\) & Butyl acrylate & 10–160 \(\mathrm{\SIUnitSymbolMicro}\)/L & y = 42.2x \(-\) 0.8667 & R\({}^{2}\) = 0.9926 \\  & 141-78-6 & C\({}_{4}\)H\({}_{8}\)O\({}_{2}\) & Ethyl acetate & 10–160 \(\mathrm{\SIUnitSymbolMicro}\)/L & y = 0.027x \(-\) 0.0002 & R\({}^{2}\) = 0.9964 \\  & 105-54-4 & C\({}_{6}\)H\({}_{12}\)O\({}_{2}\) & Ethyl butyrate & 10–160 \(\mathrm{\SIUnitSymbolMicro}\)/L & y = 29.542x \(-\) 0.6768 & R\({}^{2}\) = 0.9914 \\  & 123-92-2 & C\({}_{7}\)H\({}_{12}\)O\({}_{2}\) & Isoamyl acetate &