Onion

  • CAS mumber

    8002-72-0

  • Botanical

    Allium cepa L., fam. Liliaceae

GC-MS Analysis

Boelens, M., de Valois, P.J., Wobben, H.J. and van der Gen, A., Volatile flavour compounds from onion, J. Agric. Food Chem., Vol. 19, 984-991 (1971)

Compound CAS DB5 Carbowax Proportion
Dipropyl disulfide 629-19-6 1358.0 26.0%
Methyl propyl trisulfide 17619-36-2 1494.0 16.0%
Methyl propyl disulfide 2179-60-4 1236.0 12.5%
(E)-1-Propenyl propyl disulfide 23838-21-3 9.5%
Dipropyl trisulfide 6028-61-1 8.0%
(Z)-1-Propenyl propyl disulfide 23838-20-2 6.0%
Methyl (E)-1-propenyl disulfide 23838-19-9 4.0%
Dimethyl trisulfide 3658-80-8 974.0 1388.0 3.6%
Methyl (Z)-1-propenyl disulfide 23838-18-8 2.1%
trans-1-Propenyl propyl trisulfide 23838-27-9 1.3%
Dimethyl sulfide 75-18-3 505.0 853.0 1.1%
2-Methyl-2-pentenal 623-36-9 896.0 1140.0 1.0%
Di(1-propenyl) trisulfide 1.0%
cis-1-Propenyl propyl trisulfide 23838-26-8 1270.0 1.0%
3,4-Dimethylthiophene 632-15-5 0.9%
Allyl propyl disulfide 2179-59-1 1045.0 1437.0 0.6%
Methyl trans-1-propenyl trisulfide 23838-25-7 0.6%
Dipropyl sulfide 111-47-7 0.5%
1-Propenyl propyl sulfide 33922-70-2 0.5%
Di(cis-1-propenyl) disulfide 23838-22-4 1097.0 0.5%
Di(cis-1-propenyl) trisulfide 0.5%
Dimethyl tetrasulfide 5756-24-1 1232.0 1580.0 0.5%
Allyl methyl disulfide 2179-58-0 919.0 1287.0 0.2%
2-Methylpentanal 123-15-9 969.0 0.1%
2,4-Dimethylthiophene 638-00-6 0.1%
Total 98.1%