## 3 Results and Discussion
### Quantitative Differences between FKBT and 1Y-KBT
\begin{table}
\begin{tabular}{c c c c c} \hline \hline  & \multicolumn{3}{c}{**(A)**} \\ \hline
**Name** & **CAS** & \multicolumn{2}{c}{**Concentration (ug/L)**} & **Ratios** \\  & **FKBT** & **1Y-KBT** & **(FKBT:1Y-KBT)** \\ \hline Dimethyl sulfide & 75-18-3 & 379 & 37 & 10.4 \\
2-Methyl-propanol & 78-84-2 & 584 & 145 & 4.0 \\
3-Methyl-Butanal & 590-86-3 & 715 & 65 & 10.9 \\
2-Methyl-Butanal & 96-17-3 & 824 & 108 & 7.6 \\ Dimethyl disulfide & 624-92-0 & 0.87 & 0.11 & 7.9 \\ Hexanal & 66-25-1 & 135 & 32 & 4.2 \\ Methonal & 3268-49-3 & 4.2 & 1.0 & 4.1 \\ Dimethyl trisulfide & 3658-80-8 & 0.14 & 0.06 & 2.4 \\ Benzeneacetaldehyde & 122-78-1 & 511 & 445 & 1.1 \\ Linaload & 78-70-6 & 149 & 59 & 2.5 \\ Phenylethyl alcohol & 60-12-8 & 416 & 519 & 0.8 \\ (E,Z)-2,6-nondianal & 557-48-2 & 1.5 & 0.8 & 1.9 \\ (E)-2-Nonneal & 18829-56-6 & 0.70 & 0.37 & 1.9 \\ Benzoic acid & 65-85-0 & 9.9 & 31 & 0.3 \\ (Z)-Linalool oxide (pyranolol) & 14009-71-3 & 620 & 344 & 1.8 \\ Benzeneacetic acid & 103-82-2 & 4.8 & 21 & 0.2 \\ Neral & 106-26-3 & 4.2 & 2.2 & 1.9 \\ Geraniol & 106-24-1 & 311 & 138 & 2.2 \\ \(\delta\)-Octalactone & 698-76-0 & 13 & 13 & 0.9 \\ Eugenol & 97-53-0 & 0.52 & 0.73 & 0.7 \\ \(\beta\)-Damascenone & 2372-69-4 & 0.25 & 0.43 & 0.6 \\ Vanillin & 121-33-5 & 10 & 12 & 0.9 \\ Coumarin & 91-64-5 & 28 & 17 & 1.7 \\ \(\delta\)-Decalactone & 705-86-2 & 4.5 & 2.2 & 2.0 \\ Dihydroactinidiolide & 15356-74-8 & 23 & 40 & 0.6 \\ Raspberry ketone & 5471-51-2 & 0.29 & 0.90 & 0.3 \\ (Z)-Methyl epiplasmonate & 39924-52-2 & 2.8 & 0.56 & 5.1 \\ Hemiarin & 531-59-9 & 19 & 21 & 0.9 \\ \hline \hline  & \multicolumn{3}{c}{**(B)**} \\
**Name** & **CAS** & \multicolumn{2}{c}{**FKBT**} & **1Y-KBT** \\ \hline Dimethyl sulfide & 75-18-3 & 1264 & 122 \\
3-Methyl-Butanal & 590-86-3 & 595 & 54 \\
2-Methyl-propanol & 78-84-2 & 307 & 76 \\ Linalool & 78-70-6 & 257 & 102 \\
2-Methyl-Butanal & 96-17-3 & 187 & 25 \\ Geraniol & 106-24-1 & 97 & 43 \\ Benzeneacetaldehyde & 122-78-1 & 81 & 71 \\ \(\beta\)-Damascenone & 23726-93-4 & 61 & 108 \\ (E,Z)-2,6-Nonadienal & 557-48-2 & 49 & 26 \\ Dimethyl trisulfide & 3658-80-8 & 14 & 6 \\ Hexanal & 66-25-1 & 14 & 3 \\ Methional & 3268-49-3 & 10 & 2 \\ Coumarin & 91-64-5 & 3 & 2 \\ (E)-2-Nonneal & 18829-56-6 & 2 & 1 \\ (Z)-Methyl epiplasmonate & 39924-52-2 & 1 & \(<\)1 \\ Dimethyl disulfide & 624-92-0 & \(<\)1 & \(<\)0.1 \\ Phenylethyl alcohol & 60-12-8 & \(<\)1 & \(<\)1 \\ Vanillin & 121-33-5 & \(<\)1 & \(<\)1 \\ Eugenol & 97-53-0 & \(<\)1 & \(<\)1 \\ \(\delta\)-Decalactone & 705-86-2 & \(<\)1 & \(<\)0.1 \\ \(\delta\)-Octalactone & 698-76-0 & \(<\)1 & \(<\)1 \\ (Z)-Linalool oxide (pyranolol) & 14009-71-3 & \(<\)1 & \(<\)0.1 \\ Benzoic acid & 65-85-0 & \(<\)1 & \(<\)1 \\ Dihydroactinidiolide & 15356-74-8 & \(<\)0.1 & \(<\)0.1 \\ Neral & 106-26-3 & \(<\)0.1 & \(<\)0.1 \\ Raspberry ketone & 5471-51-2 & \(<\)0.1 & \(<\)0.1 \\ Herniarin & 531-59-9 & \(<\)0.1 & \(<\)0.1 \\ Benzeneacetic acid & 103-82-2 & \(<\)0.1 & \(<\)0.1 \\ \hline \hline  & \multicolumn{3}{c}{**(B)**} \\
**Name** & **CAS** & \multicolumn{2}{c}{**FABT**} & **1Y-KBT** \\ \hline Dimethyl sulfide & 75-18-3 & 1264 & 122 \\
3-Methyl-Butanal & 590-86-3 & 595 & 54 \\
2-Methyl-propanol & 78-84-2 & 307 & 76 \\ Linalool & 78-70-6 & 257 & 102 \\
2-Methyl-Butanal & 96-17-3 & 187 & 25 \\ Geraniol & 106-24-1 & 97 & 43 \\ Benzeneacetaldehyde & 122-78-1 & 81 & 71 \\ \(\beta\)-Damascenone & 23726-93-4 & 61 & 108 \\ (E,Z)-2,6-Nonadienal & 557-48-2 & 49 & 26 \\ Dimethyl trisulfide & 3658-80-8 & 14 & 6 \\ Hexanal & 66-25-1 & 14 & 3 \\ Methional & 3268-49-3 & 10 & 2 \\ Coumarin & 91-64-5 & 3 & 2 \\ (E)-2-Nonneal & 18829-56-6 & 2 & 1 \\ (Z)-Methyl epiplasmonate & 39924-52-2 & 1 & \(<\)1 \\ Dimethyl disulfide & 624-92-0 & \(<\)1 & \(<\)0.1 \\ Phenylethyl alcohol & 60-12-8 & \(<\)1 & \(<\)1 \\ Vanillin & 121-33-5 & \(<\)1 & \(<\)1 \\ Eugenol & 97-53-0 & \(<\)1 & \(<\)1 \\ \(\delta\)-Decalactone & 705-86-2 & \(<\)1 & \(<\)0.1 \\ \(\delta\)-Octalactone & 698-76-0 & \(<\)1 & \(<\)1 \\ (Z)-Linalool oxide (pyranolol) & 14009-71-3 & \(<\)1 & \(<\)0.1 \\ Benzoic acid & 65-85-0 & \(<\)1 & \(<\)1 \\ Dihydroactinidiolide & 15356-74-8 & \(<\)0.1 & \(<\)0.1 \\ Neral & 106-26-3 & \(<\)0.1 & \(<\)0.1 \\ Raspberry ketone & 5471-51-2 & \(<\)0.1 & \(<\)0.1 \\ Herniarin & 531-59-9 & \(<\)0.1 & \(<\)0.1 \\ Benzeneacetic acid & 103-82-2 & \(<\)0.1 & \(<\)0.1 \\ \hline \hline \end{tabular}
\end{table}