Journal of Food Biochemistry

Research Article

A Comparative Analysis of the Flavor, Aroma, and Compositions in Three Levels of Stir-Frying Cyperus rotundus Using E-Tongue, E-Nose, and HS-GC-MS

Table 2

Differential compounds between three levels of sf-CR.
NO.CompoundsIUPAC nameRIOntologyFormulaMolecular weight
12-Methyl pyrazine2-Methylpyrazine469PyrazineC5H6N294.11
21,4-Dimethylpyrazole1,4-Dimethylpyrazole474PyrazoleC5H8N296.13
32,5-Dimethyl pyrazine2,5-Dimethylpyrazine576PyrazineC6H8N2108.14
42-Methoxy pyrazine2-Methoxypyrazine610PyrazineC5H6N2O110.11
5α-Pinene2,6,6-Trimethylbicyclo [3.1.1]hept-2-ene836MonoterpeneC10H16136.23
6β-Pinene(1S,5S)-2,6,6-Trimethylbicyclo [3.1.1]hept-2-ene979MonoterpeneC10H16136.23
7p-Cymene1-Methyl-4-propan-2-ylbenzene1026MonoterpeneC10H14134.22
8D-Limonene1-Methyl-4-prop-1-en-2-ylcyclohexene1030MonoterpeneC10H16136.23
9Camphene2,2-Dimethyl-3-methylidenebicyclo[2.2.1]heptane1130MonoterpeneC10H16136.23
10Trans-verbenol(1R,2S,5R)-4,6,6-Trimethylbicyclo[3.1.1]hept-3-en-2-ol1147Oxygenated monoterpeneC10H16O152.23
11Pinocarvone6,6-Dimethyl-2-methylidenebicyclo[3.1.1]heptan-3-one1158Oxygenated monoterpeneC10H14O150.22
12(-)-Myrtenal(1R,5S)-6,6-Dimethylbicyclo[3.1.1]hept-2-ene-2-carbaldehyde1167Oxygenated monoterpeneC10H14O150.22
13β-Vatirenene(1R,8aS)-1,8a-Dimethyl-7-propan-2-ylidene-1.2,6,8-tetrahydronaphthalene1173SesquiterpenoidsC15H22202.33
14Ylangene(1S,2R,6R,7R,8S)-1,3-Dimethyl-8-propan-2-yltricyclo[4.4.0.02,7]dec-3-ene1181SesquiterpenoidsC15H24204.35
15β-Elemene(1S,2S,4R)-1-Ethenyl-1-methyl-2,4-bis(prop-1-en-2-yl)cyclohexane1187SesquiterpenoidsC15H24204.35
16α-Guaiene7-Isopropenyl-1,4-dimethyl-1,2,3,4,5.6,7,8-octahydroazulene1191SesquiterpenoidsC15H24204.35
17Santalene1,7-Dimethyl-7-(4-methylpent-3-enyl)tricyclo[2.2.1.02,6]heptane1211SesquiterpenoidsC15H24204.35
183,5,11-Eudesmatriene5,8a-Dimethyl-3-prop-1-en-2-yl-2,3,7,8-tetrahydro-1H-naphthalene1291SesquiterpenoidsC15H22202.33
19β-Humulene(1E,5E)-1,4,4-Trimethyl-8-methylidenecycloundeca-1,5-diene1293SesquiterpenoidsC15H24204.35
20(+)-Sativene(1R,2S,3S,6S,8S)-6-Methyl-7-methylidene-3-propan-2-yltricyclo[4.4.0.02.8]decane1301SesquiterpenoidsC15H24204.35
21α-Cubebene(1R,5S,6R,7S,10R)-4,10-Dimethyl-7-isopropyltricyclo[4.4.0.01.5]deca-3-ene1314SesquiterpenoidsC15H24204.35
22β-Gurjunene(1aR,4R,4aR,7aR,7bR)-1,1,4-Trimethyl-7-methylidene-2,3,4,4a,5,6,7a,7b-octahydro-1aH-cyclopropa[e]azulene1325SesquiterpenoidsC15H24204.35
23Copaene(1R,2S,6S,7S,8S)-1,3-Dimethyl-8-propan-2-yltricyclo[4.4.0.02.7]dec-3-ene1332SesquiterpenoidsC15H24204.35
24Cyperene epoxide4,11,12,12-Tetramethyl-5-oxatetracyclo[6.3.1.01.6.04.6]dodecane1340SesquiterpenoidsC15H24O220.35
25α-Calacorene(1S)-4,7-Dimethyl-1-propan-2-yl-1,2-dihydronaphthalene1344SesquiterpenoidsC15H20200.32
26(-)-Spathulenol(1aR,4aR,7S,7aR,7bR)-1,1,7-Trimethyl-4-methylidene-1a,2,3,4a,5,6,7a,7b-octahydrocyclopropa[h]azulen-7-ol1375SesquiterpenoidsC15H24O220.35
27Ledene oxide-(II)3,7,7,10-Tetramethyl-2-oxatetracyclo[7.3.0.01,3.06,8]dodecane1377Sesquiterpenoids eC15H24O220.35
28Caryophyllene oxide(1R,4R,6R,10S)-4,12,12-Trimethyl-9-methylidene-5-oxatricyclo[8.2.0.04,6]dodecane1386SesquiterpenoidsC15H24O220.35
29Caryophyllene (z-)(1S,4Z,9S)-4,11,11-Trimethyl-8-methylidenebicyclo[7.2.0]undec-4-ene1414SesquiterpenoidsC15H24204.35
30Isospathulenol(1aR,7S,7aS,7bR)-1,1,4,7-Tetramethyl-2,3,5,6,7a,7b-hexahydro-1aH-cyclopropa[h]azulen-7-ol1422SesquiterpenoidsC15H24O220.35
31Alloaromadendrene oxide-(2)(1aR,4S,4aR,7R,7aS,7bS)-1,1,7-Trimethylspiro[2,3,4a,5,6,7,7a,7b-octahydro-1aH-cyclopropa[e]azulene-4,2′-oxirane]1432SesquiterpenoidsC15H24O220.35
32Cyperotundone(1R,7R,10R)-4,10,11,11-Tetramethyltricyclo[5.3.1.01,5]undec-4-en-3-one1503SesquiterpenoidsC15H22O218.33
33α-Cyperone(4aS,7R)-1,4a-Dimethyl-7-prop-1-en-2-yl-3,4,5,6,7,8-hexahydronaphthalen-2-one1749SesquiterpenoidsC15H22O218.33