# Internet of Food (IoF), Tailor-Made Metal Oxide Gas Sensors to Support Tea Supply Chain
## Appendix A
\begin{tabular}{c c} \hline
**RT** & **Compound Name** & **Abundance Mean** \\ \hline
29.215 & Cycloisolongifolene & 97,234 \\
30.355 & 2,6-Octadienal, 3,7-dimethyl-, (E)- & 51,100,548.5 \\
31.498 &.alpha.-Terpineol & 8,024,237 \\
32.200 & (-)-Carvone & 653,884 \\
32.388 & Dispiro[4.2.4.2]tetradacane & 107,256 \\
32.450 & 3-Adamantancarboxylic acid, phenyl ester & 701,488 \\
33.255 & 2,6-Octadienal, 3,7-dimethyl-, (E)- & 71,369,488.5 \\
33.958 & Carved & 117,489 \\
33.989 & Cycloheptane, 1,3,5-tris(methylene)- & 157,810 \\
34.465 & Naphthalene, 1,2,3,4,4a,5,6,7-octahydro-4a-methyl- & 102,571 \\
1H-3a,7-Methanoazulene, 2,3,6,7,8,8a-hexah dro-1,4,9,9-tetramethyl-, & 90,857 \\
34.475 & (1.alpha.,3a.alpha.,7.alpha.,8a.beta.)- & 90,857 \\
34.689 & 1-Bromo-3,7-dimethyl-2,6-octadiene & 594,352 \\
35.305 & 7-Octen-1-ol, 3,7-dimethyl-, (S)- & 473,977 \\
36.040 & Z,Z,Z-4,6,9-Nonadecatriene & 914,01 \\
36.294 & 5-Hepten-1-ol, 2-ethenyl-6-methyl- & 1,012,776 \\
36.612 & Anethole & 319,573 \\
37.369 & 1,4-Methanobenzcyclodocene, 1,2,3,4,4a,5,8,9,12,12a-decahydro- & 867,511.5 \\
37.929 & 5-Hepten-1-ol, 2-ethenyl-6-methyl- & 1,881,320 \\
37.939 & 1-Bromo-3,7-dimethyl-2,6-octadiene & 2,378,768 \\
38.473 & 1-Hexene, 3,4,5-trimethyl- & 2,227,084.5 \\
39.175 & 2-Bromosebacic acid, bis(trimethylsilyl) ester & 120,406 \\
39.715 & 2-Butanone, 4-(2,6,6,6-trimethyl-2-cyclohexan-1-ylidene)- & 172,929 \\
40.354 & Caryophyllene & 167,562 \\
41.044 & 2-Butanone, 4-(2,6,6,6-trimethyl-1-cyclohexan-1-yl)- & 182,625 \\
41.120 & 11,11-Dimethyl-spiro102,9]dodeca-3,7-dien & 156,106 \\
41.352 & 5-Hepten-2-one, 6-methyl- & 57,635 \\
41.943 & 2-Cyclohexen-1-one, 6-(1-hydroxy-1-methylethyl)-3-methyl- & 71,111 \\
43.753 & 1-Nitro-2-propanone & 369,292 \\
44.620 & 1-Heptypn-6-one & 806,489 \\
44.628 & Methyl Isobutyl Ketone & 840,137 \\
44.750 & trans,trans-2,6-Dimethyl-2,6-octadiene-1,8-diol & 174,272 \\
47.500 & Cyclopropaneoctanoic acid, 2-[[2-[2-(2-ethylcyclopropyl)methyl]cyclopropyl]methyl]-, methyl & 105,937 \\
47.515 & Tetracetyl-d-xylonic nitrile & 34,187 \\
47.917 & 2(4H)-Benzofurananone, 5,6,7,7a-tetrahydro-d,4,7a-trimethyl- & 481,958 \\
48.378 & Cycloheptane, 4-methylene-1-methyl-2-(2-methyl-1-propen-1-yl)-1-vinyl- & 99,068 \\
52.790 & 1-Propanamine, N-nitro- & 37,512 \\
52.992 & 1-Butanol & 59,088 \\ \hline \end{tabular}   
**Table A4. ** Results for the SGM sample fingerprint determination with indication of the retention time (RT) and abundance mean for every identified compound. \begin{tabular}{c c} \hline
**RT** & **Compound Name** & **Abundance Mean** \\ \hline
0.018 & Acetic acid, cyano- & 63,013 \\
0.825 & Ethanol, 2-(vinyloxy)- & 60,490 \\
1.055 & Hydroperoxide, 1-methylylethyl & 85,713 \\
1.120 & Ether, 2-chloro-1-propyl isopropyl & 63,783 \\
3.259 & Hexanal & 352,944 \\
3.350 & Glutaraldehyde & 150,508 \\
3.355 & 3-Penten-2-ol & 315,320 \\
3.440 & 1,2,15-Pentadecanetriol & 149,001 \\
3.490 & Trifluoromethanesulfonyl imidazole & 146,098 \\
3.540 & Acetic acid, cyano- & 63,215 \\ \hline \end{tabular}   
**Table A5. **_Cont._ \begin{tabular}{c c} \hline
**RT** & **Compound Name** & **Abundance Mean** \\ \hline
0.018 & Acetic acid, cyano- & 63,013 \\
0.825 & Ethanol, 2-(vinyloxy)- & 60,490 \\
1.055 & Hydroperoxide, 1-methylylethyl & 85,713 \\
1.120 & Ether, 2-chloro-1-propyl isopropyl & 63,783 \\
3.259 & Hexanal & 352,944 \\
3.350 & Glutaraldehyde & 150,508 \\
3.355 & 3-Penten-2-ol & 315,320 \\
3.440 & 1,2,15-Pentadecanetriol & 149,001 \\
3.490 & Trifluoromethanesulfonyl imidazole & 146,098 \\
3.540 & Acetic acid, cyano- & 63,215 \\ \hline \end{tabular}   
**Table A6. **_Cont._