# Internet of Food (IoF), Tailor-Made Metal Oxide Gas Sensors to Support Tea Supply Chain
## Appendix A
\begin{table}
\begin{tabular}{c c c} \hline
**RT** & **Compound Name** & **Abundance Mean** \\ \hline
0.715 & Acetic acid, cyano- & 58,385 \\
0.814 & Acetic acid, cyano- & 41,951 \\
0.890 & Disulfide, isopentyl methyl & 32,293 \\
0.891 & 5-Aminoisoxazole & 77,786 \\
0.967 & Thiocyanic acid, 5-amino-3-methyl-4-isoxazol ester & 59,100 \\
0.970 & 3-Butynoic acid & 63,100 \\
1.083 & Isobutyl nitrite & 180,084 \\
1.086 & Propanal, 2-methyl- & 118,133 \\
1.305 & 1,4-Dioxane, 2,5-dimethyl- & 52,275 \\
1.319 & 4-Oxa-6-heptern-2-one, 6-bromo-3-methyl- & 76,789 \\
1.452 & Oxalic acid, butyl propyl ester & 205,128 \\
1.486 & Butanal, 2-methyl- & 454,443 \\
1.495 & Oxirane, trimethyl- & 64,342 \\
1.520 & Neburon & 152,396 \\
1.590 & Carbonic acid, allyl 2-ethoxyly ester & 85,342 \\
1.690 & Carbonic acid, allyl isohexyl ester & 65,883 \\
1.695 & 1,2-Pentadiene, 4,4-dimethyl- & 47,310 \\
1.750 & 2-Oxazolamine, 4,5-dihydro-5-(phenoxymethyl)- & 50,644 \\
1.998 & Butanal, 3-methyl- & 97,682 \\
2.602 & Octane, 2,3,6,7-tetramethyl- & 46,275 \\
3.302 & Hexanal & 153,104.5 \\
3.375 & (1 RS)-propanol, 1-cyano-(2S)-(tert.butyloxycarbonyl)amino- & 62,614 \\
3.450 & 4-Chloro-3-methylbut-2-en-1-ol & 101,437 \\
3.485 & 3,4-Dimethylcyclohexanol & 42,683 \\
5.165 & Cyclopropanemethanol, 2-isopropylidene-alpha.-methyl- & 42,196 \\
5.219 & Sulfide, cyclopentyl isopropyl & 70,260 \\
6.045 & 3-Cydohexene-1-methanol, alpha., alpha.,4-trimethyl-, acetate & 33,625 \\
6.732 & 2-Hexanal & 213,047 \\
6.744 & 3-Hexanal, (Z)- & 523,559 \\
6.760 & Heptanonitrile & 257,029 \\
6.998 & 2,6-Nonadien, (E,Z)- & 40,726 \\
7.370 & Homopiperazine & 32,993 \\
8.270 & 4-Methyl-2-oxopentanentirile & 45,025 \\
8.297 & 1-Pentanol & 91,705 \\
8.478 & Sulfurous acid, hexyl octyl ester & 64,375 \\
8.941 & Cyclohexane, 1,2,4-tris(methylene)- & 30,691 \\
10.065 & 1,3-Pentanedione, 2,4-dimethyl-1-phenyl- & 50,566 \\
11.997 & 1-Hepten-6-one, 2-methyl- & 43,920 \\
12.959 & Spiro[3.5]nona-5,7-dien-1-one, 5,9,9-trimethyl- & 40,729 \\
13.104 & 2-Trifluoroacetoxydodecane & 38,203 \\
14.530 & Cycloheptano[d]imidazoline, 1,3-dihydroxy-2-methyl- & 73,913 \\
14.567 & 3-Hexan-1-ol, (E)- & 106,729.5 \\ \hline \end{tabular}
\end{table} 
Table 10: Results for the TBC sample fingerprint determination with indication of the retention time (RT) and abundance mean for every identified compound. **Table A10**. _Cont._ \begin{table}
\begin{tabular}{c c c} \hline
**RT** & **Compound Name** & **Abundance Mean** \\ \hline
39.285 & Phenyllyl Alcohol & 55,509 \\
39.726 & trans.-beta.-Ionone & 77,701 \\
39.727 & 3-Buten-2-one, 4-(2,6,6-trimethyl-1-cyclohexen-1-yl)- & 97,960 \\
40.852 & 11-(2-Cyclopenten-1-yl)undecanoic acid, (+)- & 52,398 \\
41.019 & Pentane, 2-bromo- & 31,014 \\
41.044 & Acetic acid, 6,6-dimethyl-2-methylene-7-(3-oxobutylidene)oxepan-3-ylmethyl ester & 78,871 \\
43.085 & 3-Hepten-2-one, O-methyloxime & 33,472 \\
44.698 & 1,5-Hexadiene, 2,5-dipropyl- & 38,397 \\
47.938 & 2(4H)-Benzofuranone, 5,6,7,7,4-tetrahydro-4,4,7a-trimethyl- & 105,392 \\
52.435 & Methyl 4,6-benzylidene-3-deoxy-4-hexopyranoside & 41,183 \\
52.725 & 2-(Imidazole-1-sulfonyl)-benzoic acid methyl ester & 34,590 \\ \hline \end{tabular}
\end{table} 
Table 10: _Cont._