Research Article

Volatile Profile Characterization of Winter Jujube from Different Regions via HS-SPME-GC/MS and GC-IMS

Table 2

Volatile organic compounds identified by GC-IMS.

No.CompoundCasFormulaMolecular weightRIRt [sec]Dt [RIPrel]Identification approach

1Benzyl alcohol (monomer)100-51-6C7H8O1081090758.551.21RI, DT, Std
2Unknown (monomer)987568.621.17RI, DT
3Hexanoic acid (monomer)142-62-1C6H12O2116989573.491.30RI, DT, Std
4Cyclohexanone (monomer)108-94-1C6H10O98904410.861.15RI, DT, Std
4′Cyclohexanone (dimer)108-94-1C6H10O98904402.281.45RI, DT, Std
5Hexanal (monomer)66-25-1C6H12O100796269.291.56RI, DT, Std
6Unknown (monomer)768242.961.11RI, DT
72,4-Heptadienal (monomer)5910-85-0C7H10O1101427242.381.41RI, DT, Std
82-Nonenal (monomer)2463-53-8C9H16O140687181.341.07RI, DT, Std
93-Buten-2-one (monomer)79-77-6C13H20O1921914179.981.30RI, DT, Std
10Acetone (monomer)67-64-1C3H6O58814110.751.11RI, DT, Std
11Styrene (monomer)100-42-5C8H8104602140.401.05RI, DT, Std
12Unknown (monomer)596137.861.32RI, DT
13E-2-heptenal (monomer)18829-55-5C7H12O112570127.331.04RI, DT, Std
14Unknown (monomer)629152.291.16RI, DT
15Unknown (monomer)739218.981.22RI, DT
161-Octen-3-ol (monomer)3391-86-4C8H16O1281349226.981.15RI, DT, Std
17Unknown (monomer)1042664.751.14RI, DT
18Limonene (monomer)138-86-3C10H161361032647.981.21RI, DT, Std
18′Limonene (dimer)138-86-3C10H171361032647.001.30RI, DT, Std
19Ethyl hexanoate (monomer)123-66-0C8H16O21441405600.991.39RI, DT, Std
20Unknown (monomer)961513.041.15RI, DT
20′Unknown (dimer)958507.191.47RI, DT
21Unknown (monomer)924443.231.28RI, DT
21′Unknown (dimer)922440.501.67RI, DT
22Unknown (monomer)786259.341.09RI, DT
23Nonanoic acid (monomer)112-05-0C9H18O21582083256.621.36RI, DT, Std
24Butanoic acid (monomer)107-92-6C4H8O2881538218.011.12RI, DT, Std
25Unknown (monomer)737217.421.43RI, DT
26Unknown (monomer)654164.181.17RI, DT
26′Unknown (dimer)655164.971.40RI, DT
272-Heptenal (monomer)2463-63-0C7H12O112663169.061.15RI, DT, Std
282-Formyltoluene (monomer)529-20-4C8H8O1201555121.671.19RI, DT, Std
291-Penten-3-ol (monomer)616-25-1C5H10O861134122.261.03RI, DT, Std
302-Formylphenol (monomer)90-02-8C7H6O21221542116.991.22RI, DT, Std
31Unknown (monomer)740219.371.40RI, DT
32Unknown (monomer)780254.271.16RI, DT
33Unknown (monomer)721205.331.14RI, DT
34(E)-4-Undecenal (monomer)68820-35-9C11H20O1682719203.771.43RI, DT, Std
353-Hexenoic acid, (E)-(monomer)1577-18-0C6H10O21141876730.661.19RI, DT, Std
36Methyl laurate (monomer)111-82-0C13H26O22141765709.011.21RI, DT, Std
372-Pentylfuran (monomer)3777-69-3C9H14O1381218317.261.21RI, DT, Std
38Unknown (monomer)503104.131.04RI, DT
396-Methyl-5-hepten-2-one110-93-0C8H14O1261335652.471.26RI, DT, Std
40Unknown (monomer)953498.411.66RI, DT
41Unknown (monomer)699189.541.39RI, DT
42′Unknown (dimer)699189.541.42RI, DT
43Methyl decanoate (monomer)110-42-9C11H22O21861613185.051.33RI, DT, Std
442-Hexanone (monomer)591-78-6C6H12O1001087260.911.18RI, DT,Std
45Unknown (monomer)954499.971.56RI, DT
46Heptanal (monomer)111-71-7C7H14O1141280373.421.32RI, DT, Std
47Methyl myristoleate (monomer)56219-06-8C15H28O2240670172.371.08RI, DT, Std
482-Decenal (monomer)3913-71-1C10H18O1541638171.401.36RI, DT, Std
49Unknown (monomer)1062702.381.33RI, DT
49′Unknown (dimer)1061701.221.81RI, DT
50Unknown (monomer)988571.741.25RI, DT
51Linalool (monomer)78-70-6C10H18O154981556.521.42RI, DT, Std
52Phenol, 2-nitro-(monomer)88-75-5C6H5NO31391810359.181.57RI, DT, Std
53E-2-Hexen-1-ol (monomer)928-95-0C6H12O1001361346.711.18RI, DT, Std
53′E-2-Hexen-1-ol (dimer)928-95-0C6H12O1001361344.371.51RI, DT, Std
542-Methoxyphenol (monomer)90-05-1C7H8O21241831309.461.25RI, DT, Std
55Octanoic acid (monomer)124-07-2C8H16O2144756232.431.10RI, DT, Std
56Pentanoic acid (monomer)109-52-4C5H10O2102754231.261.35RI, DT, Std
573-Pentanone (monomer)96-22-0C5H10O86898188.761.35RI, DT, Std
582-Nitrophenetole (monomer)610-67-3C8H9NO31671651162.821.19RI, DT, Std
59Unknown (monomer)164652163.401.31RI, DT
60Acetoin (monomer)513-86-0C4H8O2881120204.551.05RI, DT, Std
61Ethyl decanoate (monomer)110-38-3C12H24O2200682179.010.94RI, DT, Std
622-Hexenal (monomer)505-57-7C6H10O98633154.041.02RI, DT, Std
63Unknown (monomer)525111.141.17RI, DT
64Butanal (monomer)123-72-8C4H8O72568126.551.10RI, DT, Std
64′Butanal (dimer)123-72-9C4H9O72864124.991.28RI, DT, Std
65Unknown (monomer)537115.241.15RI, DT