## 2 Results and Discussion
### Volatile Compounds
\begin{table}
\begin{tabular}{c c c c c c c} \hline \hline \multicolumn{2}{c}{**RI**} & \multicolumn{2}{c}{**RI**} & \multicolumn{2}{c}{**Raw \({}^{\text{c}}\)**} & \multicolumn{1}{c}{**Toasted \({}^{\text{c}}\)**} & \multicolumn{1}{c}{**ID \({}^{\text{c}}\)**} \\ \multicolumn{2}{c}{**Calculated \({}^{\text{a}}\)**} & \multicolumn{2}{c}{**Literature \({}^{\text{b}}\)**} & \multicolumn{1}{c}{**Compound**} & \multicolumn{1}{c}{**(ppm \({}^{\text{d}}\))**} & \multicolumn{1}{c}{**(ppm \({}^{\text{d}}\))**} & \multicolumn{1}{c}{**ID \({}^{\text{c}}\)**} \\ \hline
**DB5** & **WAX** & **DB5** & **WAX** & & & **(ppm \({}^{\text{d}}\))** & **(ppm \({}^{\text{d}}\))** \\ \hline
647 & 923 & 648 & 924 & \multicolumn{1}{c}{**Hydrocarbons**} & & \\
765 & 1029 & 765 & 1029 & \multicolumn{1}{c}{Benzene} & 0.043 & 0.086 & MS, RI \\  & 1094 & & \multicolumn{1}{c}{Toluene} & 0.052 & 0.110 & MS, RI \\  & 1126 & & 1123 & \multicolumn{1}{c}{Undecane} & 0.030 & MS \\
862 & & 863 & \multicolumn{1}{c}{Ethylbenzene} & 0.022 & MS, RI \\
872 & & & \multicolumn{1}{c}{Cyclopropane, propyl-} & & 0.324 & MS \\  & 1166 & & 1164 & \multicolumn{1}{c}{_p_-Xylene} & 0.010 & MS, RI \\
893 & 1237 & 894 & 1236 & \multicolumn{1}{c}{Styrene} & 0.108 & 0.084 & MS, RI \\
899 & & & \multicolumn{1}{c}{Nonane} & 0.020 & 0.074 & MS \\
931 & & & \multicolumn{1}{c}{2,4-Octadiene} & & 0.057 & MS \\  & 1238 & & 1264 & \multicolumn{1}{c}{1,3,5,7-Cyclocotetetraene} & & 0.300 & MS \\
996 & & 996 & \multicolumn{1}{c}{Benzene, 1,3,5-trimethyl-} & 0.040 & MS, RI \\
999 & 997 & & \multicolumn{1}{c}{Decane} & 0.096 & 0.089 & MS \\
1033 & 1079 & 1030 & \multicolumn{1}{c}{D-Limonene} & 0.025 & 0.048 & MS, RI \\  & 1412 & & \multicolumn{1}{c}{Benzene, 2-ethyl-1,4-dimethyl-} & 0.011 & MS \\  & 1413 & & \multicolumn{1}{c}{Benzene, 1-ethyl-2,3-dimethyl-} & 0.027 & MS \\
1125 & & 1120 & \multicolumn{1}{c}{Benzene, 1,2,3,4-tetramethyl-} & 0.040 & MS, RI \\
1303 & & 1300 & \multicolumn{1}{c}{Tridecane} & 0.015 & 0.027 & MS, RI \\
1399 & & 1400 & \multicolumn{1}{c}{Tetradecane} & 0.015 & 0.040 & MS, RI \\  & 2056 & & \multicolumn{1}{c}{1,4,7,10,13,16-Hexaoxacyclooctadecacane} & 0.029 & MS \\  & & & \multicolumn{1}{c}{**Pyrazines**} & & & \\
826 & 1247 & 827 & 1247 & \multicolumn{1}{c}{Pyrazine, methyl-} & 3.745 & MS, RI \\
896 & 1487 & & 1491 & \multicolumn{1}{c}{2,3,5-Trimethyl-6-ethylpyrazine} & & 0.221 & MS, RI \\
915 & 1306 & 915 & 1308 & \multicolumn{1}{c}{Pyrazine, 2,5-dimethyl-} & & 7.344 & MS, RI \\  & 1312 & & 1314 & \multicolumn{1}{c}{Pyrazine, 2,6-dimethyl-} & & 1.297 & MS, RI \\
998 & 1365 & 998 & 1367 & \multicolumn{1}{c}{Pyrazine, 2-ethyl-6-methyl-} & & 0.701 & MS, RI \\
1002 & 1384 & 1005 & 1381 & \multicolumn{1}{c}{Pyrazine, trimethyl-} & & 1.685 & MS, RI \\  & 1330 & & 1326 & \multicolumn{1}{c}{Pyrazine, 2,3-dimethyl-} & & 0.287 & MS, RI \\  & 1371 & & 1367 & \multicolumn{1}{c}{Pyrazine, 2-ethyl-5-methyl-} & & 1.494 & MS, RI \\
1078 & 1425 & 1078 & 1430 & \multicolumn{1}{c}{Pyrazine, 3-ethyl-2,5-dimethyl-} & & 1.907 & MS, RI \\
1085 & & 1085 & & \multicolumn{1}{c}{Pyrazine, 2-ethyl-3,5-dimethyl-} & & 0.143 & MS, RI \\
1086 & 1458 & 1088 & 1457 & \multicolumn{1}{c}{Pyrazine, tetramethyl-} & 0.106 & 0.597 & MS, RI \\  & 1411 & & 1415 & \multicolumn{1}{c}{Pyrazine, 2,6-diethyl-} & & 0.066 & MS, RI \\
1094 & & 1091 & \multicolumn{1}{c}{Pyrazine, 2,5-diethyl-} & & 0.106 & MS, RI \\  & 1472 & & 1485 & \multicolumn{1}{c}{Pyrazine, 2-ethenyl-6-methyl-} & & 0.105 & MS, RI \\
1147 & 1609 & & 1605 & \multicolumn{1}{c}{5\(H\)-5-Methyl-6,7-dihydroxycopopentapyrazine} & & 0.500 & MS, RI \\
1153 & 1475 & 1156 & 1478 & \multicolumn{1}{c}{Pyrazine, 2,3-diethyl-5-methyl-} & & 0.130 & MS, RI \\
1157 & & 1156 & \multicolumn{1}{c}{Pyrazine, 3,5-diethyl-2-methyl-} & & 0.245 & MS, RI \\
1161 & & 1357 & \multicolumn{1}{c}{2,5-Dimethyl-3-n-pentylpyrazine} & & 0.021 & MS \\  & 1683 & & 1679 & \multicolumn{1}{c}{1-(6-Methyl-2-pyrazinyl)-1-ethanoneanone} & & 0.146 & MS, RI \\
1318 & & 1254 & \multicolumn{1}{c}{Pyrazine, 2-butyl-3,5-dimethyl-} & & 0.019 & MS \\  & 1705 & & 1740 & \multicolumn{1}{c}{Pyrazineimide} & & 0.208 & MS \\ \hline \hline \end{tabular}
\end{table}