# Internet of Food (IoF), Tailor-Made Metal Oxide Gas Sensors to Support Tea Supply Chain
## Appendix A
\begin{table}
\begin{tabular}{c c} \hline
**RT** & **Compound Name** & **Abundance Mean** \\ \hline
2.618 & Thiocyanic acid, 5-amino-3-methyl-4-isoxazol ester & 22,308 \\
2.740 & 5-Ethyl-2-methyl-pyridin-4-amine & 27,062 \\
3.220 & Hexanal & 95,779 \\
3.273 & Hexanal & 32,777 \\
3.295 & 1,3-Dioxane-4,6-dione, 5,5-dimethyl-2-(1-methylethylidene)- & 36,361 \\
3.308 & Butane, 1-(ethethoxyoxy)- & 82,998 \\
3.335 & 1-Propene, 3-methoxy- & 92,869 \\
3.400 & 5-Aminiosoxazole & 93,919 \\
3.420 & cis-Aconitic anhydride & 33,724 \\
3.435 & 2-Propanamine, N-ethyl-N-nitroos- & 24,872 \\
3.460 & Tris(aziridinomethyl)hydrazine & 24,606 \\
3.504 & Butane, 1-(ethenyoxy)- & 22,708 \\
3.505 & 4,5-Dicarbonyl-1,2,3-triazolee & 23,452 \\
5.125 & Formic acid, 1,1-dimethylethyl ester & 23,031 \\
5.150 & 1,2,4-Triazol-5-acetic acid, 3-amino- & 24,912 \\
5.212 & Ethanolamide, N-(1-methylpropyl)-N\({}^{\prime}\)-(3-pyridinylmethyl)- & 21,740 \\
5.225 & cis-Aconitic anhydride & 26,678 \\
5.330 & (+)-2-Carene, 4-alpha-isopropenyl- & 21,260 \\
5.740 & 3-(4-Methyl-piperazin-1-yl)-N-(4-trifluoromethylomethoxy-phenyl)-propionamide & 25,237 \\
6.677 & Alllyl methallyl ether & 54,578 \\
6.974 & N-(Trifluoroacetyl)-N,O,O/O\({}^{\prime}\)-tetrakis(trimethylsilyl)norepinephrinephrine & 69,040 \\
7.040 & N-Methyladenamine, tri-TMS & 28,857 \\
7.503 & Cyclopropencarboxylic acid & 21,350 \\
8.163 & Chlorocarbonyl t-butoxy sulfide & 30,269 \\
8.186 & 3-Buten-2-ol, 3-methyl- & 26,893 \\
8.455 & 3-Ethyl-3-methylheptane & 66,659 \\
9.740 & 1,4-Dioxa-2-decalone & 28,660 \\
10.738 & Decane, 3,7-dimethyl- & 46,542 \\
11.560 & 2-Brononononance & 23,532 \\
11.905 & 2-Ethyl-3-vinyloxframe & 23,682 \\
11.925 & 2-Pentental, 2,4,4-trimethyl- & 28,175 \\
13.315 & Cyclohexanemethanol,,alpha-ethyl- & 31,869 \\
14.310 & 6-Chloro-2,4-dihydroxy-1,3-dimethylpyrimidine & 21,426 \\
14.469 & Methyl piperidin-4-carboxylate & 21,730 \\
14.610 & Pyrrolizidine-3-one-5-ol, ethyl ether & 27,717 \\
14.672 & Nonanal & 61,648 \\
14.690 & p-Nitro carbanilic acid, n-heptyl ester & 23,421 \\
14.785 & 3,4,4,-Trimethyl-1-pentyn-3-ol & 24,211 \\
14.834 & 3,3-Dimethyl-2-hydroxy-2-phenylthiomorpholine & 28,086 \\
15.047 & Cyclohexane, 1,2-bis(t-butoxycarbonylmethoxy)- & 27,138 \\
17.085 & Cyanamide, N-allyl-N-[-2-(2-hydroxy-2-methylpropyl)-3,3-dimethylcyclopropyl]methyl- & 34,017 \\
17.175 & 8.beta.-17.alpha.-Dibhydroxy-desoxycorticosterone & 27,911 \\
17.505 & 1,2,4-Triazol, 4-[N-(2-hydroxyethyl)-N-nitro]amino- & 22,875 \\
17.557 & 4-Heptonal, 2-methyl- & 43,238 \\
18.316 & Ammonium acetate & 46,413 \\
18.370 & 1,2,4-Trioxolane, 3,5-dipropyl- & 46,649 \\
18.566 & 1,2-Cyclobutanedicarboxylic acid, 3-methyl-, dimethyl ester & 26,028 \\
18.639 & 2H-Pyran, 2-(3-butylynyloxy)tetrahydrofuranydro- & 33,812 \\
18.666 & trans-2,7-Dimethyl-3,6-ocatadien-2-ol & 41,759 \\
19.001 & 5-Ethyl-4-tridecanone & 32,467 \\
19.037 & Tetradecane, 5-methyl- & 27,346 \\
19.055 & 1-Butanol, 3-methyl, nitrate & 30,550 \\
20.405 & Propenone, 3-dimethylamino-1-[3-(3-dimethylaminoacryloyl)-2,6-dihydroxyophenyl]- & 22,794 \\
20.461 & Sulfide, di(1,3-butadienyl)- & 28,315 \\
20.545 & 5,6,6-Trimethyl-hept-3-yne-2,5-diol & 26,021 \\
20.579 & 4-Hexen-2-one, 3-methyl- & 29,025 \\
20.582 & 1-Decene, 2,4-dimethyl- & 45,611 \\ \hline \end{tabular}
\end{table} 
Table 6: _Cont._