## 2 Results and Discussion
### Analysis of Volatiles in Cooked Sorghum Samples by Using GC\(\times\)GC-TOFMS
\begin{table}
\begin{tabular}{l c c c c c c} \hline \hline
**Compounds** & \multicolumn{4}{c}{**Peak Area**} & \multicolumn{1}{c}{**RI**} & \multicolumn{1}{c}{**Aroma \({}^{\star}\)**} & \multicolumn{1}{c}{**Identification \({}^{\ddagger}\)**} \\ \cline{2-7} \cline{6-7}  & **Glutinous Sorghum** & **Non-Glutinous Sorghum** & **Cla-RI \({}^{\star}\)** & **Li-RI \({}^{\ddagger}\)** & \\ \hline
**Aldehydes** & & & & & & \\ Acetaldehyde & 9,675,368 \(\pm\) 350,920 & 2,416,216 \(\pm\) 104,048 & 709 & 718 & pungent, ether, fresh & RI, MS, STD \\ Butanal & 903,728 \(\pm\) 91,123 & 2,203,033 \(\pm\) 215,257 & 85 & 854 & pungent, green & RI, MS, Ten \\ 2-Propanal & 95,002 \(\pm\) 8,637 & 164,626 \(\pm\) 107,07 & 832 & 838 & allmond, cherry & RI, MS, Ten \\ 2-Methyl-2-propanal & 53,945 \(\pm\) 4904 & 95,014 \(\pm\) 6216 & 887 & 893 & wild, hyacinth, foliage & RI, MS, STD \\ 2-Methyl-butanol & 989,109 \(\pm\) 67,412 & 34,598,663 \(\pm\) 618,488 & 904 & 910 & malt & RI, MS, STD \\ 3-Methyl-butanol & 2,194,192 \(\pm\) 7,982 & 2,973,227 \(\pm\) 45,278 & 917 & 916 & coco, almond & RI, MS, STD \\ Pentanal & 923,054 \(\pm\) 60,837 & 100,260,960 \(\pm\) 69,976 & 985 & 976 & almond, malt, pungent & RI, MS, Ten \\ 2-Butanal & 162,609 \(\pm\) 676 & 842,202 \(\pm\) 113,099 & 1056 & 1042 & floral & RI, MS, Ten \\ Hexanal & 2,355,706 \(\pm\) 85,440 & 6,868,006 \(\pm\) 104,589 & 1095 & 1083 & grass,allow, fatty & RI, MS, STD \\ \((E)\)-2-Pentral & 804,648 \(\pm\) 655,051 & 1125 & 1147 & strawberry, fruity & RI, MS, STD \\ Heptal & 105,864 \(\pm\) 4411 & 475,576 \(\pm\) 63,822 & 1189 & 178 & fatty, citrus, ranked & RI, MS, Ten \\ 3-Methyl-2-butanal & 89,259 \(\pm\) 8115 & 10,415 \(\pm\) 6611 & 1212 & 1215 & sweet fruity & RI, MS, Ten \\ 2-Hexanal & 197,246 \(\pm\) 8219 & 1,106,588 \(\pm\) 148,149 & 1207 & 1216 & apple, green & RI, MS, STD \\ Octanal & 1,390,299 \(\pm\) 90,426 & 2,519,793 \(\pm\) 38,373 & 1310 & 1319 & fatty, soopy, green & RI, MS, STD \\ \((E)\)-2-Heprenal & 59,306 \(\pm\) 386,618 & 1,333 & 1320 & soopy, fatty, almond & RI, MS, STD \\ \((E)\)-2-Cotanal & 3,373,661 \(\pm\) 11,205 & 2,579,505 \(\pm\) 39,282 & 1443 & 1436 & green & RI, MS, STD \\ Nonanal & 11,917,467 \(\pm\) 432,240 & 15,915,915 \(\pm\) 685,322 & 1403 & 1422 & fatty, citrus, green & RI, MS, STD \\ 2-Octanal & 14,342,203 \(\pm\) 116,863 & 1,443,203 \(\pm\) 168,143 & 1445 & fatty green herbal & RI, MS, STD \\ Decanal & 1,631,776 \(\pm\) 59,184 & 2,340,543 \(\pm\) 35,643 & 1506 & 1506 & soopy, orange peel & RI, MS, STD \\ Nonanal & 11,004,264 \(\pm\) 89,938 & 1440 & 1453 & green cucumber & RI, MS, STD \\ (\(E)\)-2-Nonenal & 829,816 \(\pm\) 54,287 & - & 1520 & 1535 & cucumber, fatty, green & RI, MS, STD \\ Benzaldehyde & 3,571,972 \(\pm\) 129,554 & 15,600,161 \(\pm\) 23,756 & 1549 & 1524 & almond, burnt, sugar & RI, MS, STD \\ 2-Z-Z-Non-Indenal & 1,71,208,148 \(\pm\) 14,510 & 1597 & 1591 & cucumber, wax, green & RI, MS, STD \\ Undecanal & - & 2,441,022 \(\pm\) 19,885 & 1611 & 1609 & oil, pungent, sweet & RI, MS, STD \\ \(A\)-Dcathedral & - & 803,551 \(\pm\) 673,232 & 1575 & 1585 & green, cucumber & RI, MS, STD \\ (\(E)\)-2-Decanal & - & 7,767,196 \(\pm\) 14,446 & 1650 & 1641 & allow, way, fatty & RI, MS, STD \\ Premyacetaldehyde & 16,153,454 \(\pm\) 585,877 & 26,877 \(\pm\) 11,574 & 1685 & 1650 & honey & RI, MS, STD \\ Dedecanal & - & - & 1,731,008 \(\pm\) 41,014,517 & 1715 & 1709 & soopy, citrus, green & RI, MS, Tent \\ (\(E)\)-2-A-Nonenal & 729,557 \(\pm\) 47,278 & 48,463,032 \(\pm\) 47,4815 & 1713 & 1686 & fatty, tropical fruity & RI, MS, STD \\ (\(E)\)-2-Decanal & 510,097 \(\pm\) 3400 & 5,689,899 \(\pm\) 56,396 & 1719 & 1736 & soopy, fatty, green & RI, MS, STD \\ (\(E\))-2-Acetal & 460,460 \(\pm\) 30,516 & 40,966,386 \(\pm\) 397,762 & 17/8 & 17/83 & refied, wax, fatty & RI, MS, STD \\ 2-Almethyl-benzaldehyde & 96,234 \(\pm\) 4010 & 158,918 \(\pm\) 21,327 & 17/8 & 1710 & cherry, almond, vanilla & RI, MS, Tent \\ 2-Methyl-uncadrenal & 384,132 \(\pm\) 3806 & 357,289 \(\pm\) 16,627 & 1609 & 1636 & wasay, fatty, metallic & RI, MS, Tent \\ 1H-Pyrrole-2-carboxaldehyde & & 179,875 \(\pm\) 46,534 & 2046 & 2059 & musty, beefy, coffee & RI, MS, Tent \\ \hline \hline \end{tabular}
\end{table}