Table 1.
VOC compounds putatively identified in rocket accessions by TD-GC–MS-TOF with retention indices, CAS registry number, chemical group, and references for identifications in previous studies.
| Compound number | Compound name | RI | CAS No. | Chemical group | References |
|---|---|---|---|---|---|
| C1 | (E)-4-oxohex-2-enal⁎ | 989 | EPA-374042 | Aldehyde | Sanda, Zacek, Streinz, Dracinsky, and Koutek (2012) |
| C2 | 4-Isothiocyanato-1-butene⁎ | 1021 | 3386-97-8 | Isothiocyanate | Guo, Yang, Wang, Guo, and Gu (2014) |
| C3 | 1-Penten-3-ol⁎ | 677 | 616-25-1 | Alcohol | Fernandes et al. (2009) |
| C4 | 1-Penten-3-one⁎ | 683 | 1629-58-9 | Ketone | Servili, Selvaggini, Taticchi, Esposto, and Montedoro (2003) |
| C5 | 2-(1,1-Dimethylethyl)-1H-indole⁎ | 1582 | 1805-65-8 | Aromatic compound | – |
| C6 | 2-Methyl-2-butenal⁎ | 702 | 1115-11-3 | Aldehyde | Starkenmann (2003) |
| C7 | 2-Hexenal⁎ | 865 | 505-57-7 | Aldehyde | Servili et al. (2003) |
| C8 | (E)-2-hexenal | 858 | 6728-26-3 | Aldehyde | Blazevic and Mastelic (2008) |
| C9 | (Z)-2-penten-1-ol⁎ | 782 | 1576-95-0 | Alcohol | Rohloff and Bones (2005), Servili et al. (2003) |
| C10 | (E)-2-pentenal⁎ | 760 | 1576-87-0 | Aldehyde | Fernandes et al. (2009) |
| C11 | (E,E)-2,4-hexadienal⁎ | 933 | 142-83-6 | Aldehyde | Farag, Ryu, Sumner, and Paré (2006) |
| C12 | 5-Ethyl-2(5H)-furanone⁎ | 1003 | 2407-43-4 | Furanone | Buttery and Takeoka (2004) |
| C13 | 3-Ethyl-1,5-octadiene⁎ | 961 | EPA-114877 | Alkene | Rohloff and Bones (2005) |
| C14 | 3-Hexen-1-ol | 872 | 3681-71-8 | Alcohol | Ruther and Kleier (2005), Blazevic and Mastelic (2008, 2009) |
| C15 | 3-Hexenal⁎ | 810 | 4440-65-7 | Aldehyde | Tandon, Baldwin, and Shewfelt (2000) |
| C16 | (Z)-3-hexenal⁎ | 898 | 6789-80-6 | Aldehyde | Buttery and Takeoka (2004) |
| C17 | 3-Octyne⁎ | 921 | 15232-76-5 | Alkyne | – |
| C18 | 3-Pentanone⁎ | 691 | 96-22-0 | Ketone | Servili et al. (2003) |
| C19 | 5-Methyl-4-hexen-3-one⁎ | 1073 | 13905-10-7 | Ketone | – |
| C20 | 4-Methylpentyl isothiocyanate | 1184 | 17608-07-0 | Isothiocyanate | Beevi, Mangamoori, Subathra, and Edula (2010) |
| C21 | 5-Nonanone oxime⁎ | 791 | 14475-42-4 | Imine | – |
| C22 | O-methyloxime-butanal⁎ | 672 | 31376-98-4 | Imine | – |
| C23 | 1-Isothiocyanato-3-methyl-butane⁎ | 1082 | 628-03-5 | Isothiocyanate | Zhao et al. (2007) |
| C24 | Ethylidene-cyclopropane⁎ | 564 | 18631-83-9 | Cycloalkane | Bajpai, Rahman, and Kang (2008) |
| C25 | Dimethyl-sulphide⁎ | 570 | 75-18-3 | Sulphur compound | Manchali, Chidambara Murthy, and Patil (2012) |
| C26 | 2-Ethyl-furan⁎ | 696 | 3208-16-0 | Aromatic compound | Farag et al. (2006) |
| C27 | 3-Methyl-furan⁎ | 605 | 930-27-8 | Aromatic compound | – |
| C28 | 3-Methyl-hexadecane⁎ | 1658 | 6418-43-5 | Alkane | Wang, Xing, Chin, Ho, and Martin (2001) |
| C29 | n-Hexyl-isothiocyanate⁎ | 1223 | 4404-45-9 | Isothiocyanate | Fernandes et al. (2009) |
| C30 | 2-Oxo-hexanoic acid methyl ester⁎ | 1085 | 6395-83-1 | Ester | – |
| C31 | n-Pentyl isothiocyanate⁎ | 1120 | 629-12-9 | Isothiocyanate | Grob and Matile (1980) |
| C32 | Oxalic acid diallyl ester⁎ | 808 | EPA-309229 | Ester | – |
| C33 | Iberverin⁎ | 1355 | 505-79-3 | Isothiocyanate | Munday and Munday (2004) |
| C34 | Propanoic acid anhydride⁎ | 1086 | 123-62-6 | Acid anhydride | – |
| C35 | 4-Methyl-2-(2-methyl-propenyl)-pyridine⁎ | 1424 | 104188-16-1 | Pyridine derivative | – |
| C36 | Pyrrolidine-1-dithiocarboxylic acid 2-oxocyclopentyl ester⁎ | 1391 | 147723-50-0 | Sulphur aromatic compound | – |
| C37 | 3-Ethyl-thiophene⁎ | 885 | 1795-01-3 | Sulphur aromatic compound | – |
| C38 | Tetrahydrothiophene | 826 | 110-01-0 | Sulphur aromatic compound | Blazevic and Mastelic (2008) |
| C39 | [Unknown 2] | 693 | - | – | – |
| C40 | [Unknown 8] | 1129 | - | – | – |
| C41 | [Unknown 9] | 991 | - | – | – |
| C42 | Vinylfuran⁎ | 726 | 1487-18-9 | Aromatic compound | – |
⁎
Previously unreported in Eruca sativa.