Onion (shallot)

  • CAS mumber

    8002-72-0

  • Botanical

    Allium cepa L., Aggregatum g., fam. Liliaceae

GC-MS Analysis

Wu Chen, J.L.P. and Wu, Ch.-M., Effect of Heating on Shallot Essential Oils, Proceedings of the 9th Int. Congress of Essential Oils, Singapore, 1983, p.30-35

Compound CAS DB5 Carbowax Proportion
Methyl propyl trisulfide 17619-36-2 1494.0 12.5%
Dipropyl disulfide 629-19-6 1358.0 9.05%
2-n-Hexyl-5-methyl-2,3-dihydrofuran-3-one 33922-66-6 6.5%
1-(Methylthio)propyl ethyl disulfide 53897-67-9 6.2%
(E)-1-Propenyl propyl disulfide 23838-21-3 5.7%
Methyl (E)-1-propenyl disulfide 23838-19-9 5.2%
Dimethyl trisulfide 3658-80-8 974.0 1388.0 4.8%
Dipropyl trisulfide 6028-61-1 4.4%
trans-1-Propenyl propyl trisulfide 23838-27-9 4.4%
Methyl propyl disulfide 2179-60-4 1236.0 3.8%
(Z)-1-Propenyl propyl disulfide 23838-20-2 3.7%
cis-1-Propenyl propyl trisulfide 23838-26-8 1270.0 3.5%
3,4-Dimethylthiophene 632-15-5 3.05%
Methyl (Z)-1-propenyl disulfide 23838-18-8 2.9%
Methyl trans-1-propenyl trisulfide 23838-25-7 2.9%
2-Methyl-2-pentenal 623-36-9 896.0 1140.0 2.15%
1-(Methylthio)propyl propyl disulfide 126876-22-0 2.1%
2-Tridecanone 593-08-8 1487.0 1793.25 1.75%
Dimethyl disulfide 624-92-0 742.0 1080.75 0.85%
Allylmercaptan 870-23-5 0.7%
Propanethiol 107-03-9 0.7%
Methanethiol 74-93-1 0.65%
1-(Methylthio)propyl ethenyl disulfide 0.45%
2,5-Dimethylfuran 625-86-5 951.0 0.35%
Hexanal 66-25-1 802.71 1086.14 0.3%
1-(Methylthio)propyl (E)-1-propenyl disulfide 37399-26-1 0.25%
2,4-Dimethylthiophene 638-00-6 0.2%
1-(Methylthio)propyl methyl disulfide 53897-66-8 0.15%
2-Undecanone 112-12-9 1295.71 1592.0 0.06%
2,5-Dimethylthiophene 638-02-8 1161.0 0.05%
Total 89.31%