Onion, welsh

  • CAS mumber

    8002-72-0

  • Botanical

    Allium fistulosum L. var. Maichuon, fam. Liliaceae

GC-MS Analysis

Kuo, May-Chien and Ho, Chi-Tang, Volatile Constituents of the Distilled Oils of Welsh Onions (Allium fistulosum L var. Maichuon) + Scalllions (Allium fistulosum L var. Caespitosum), J. Agric. Food Chem., Vol. 40, 111-117 (1992)

Compound CAS DB5 Carbowax Proportion
Methyl propyl trisulfide 17619-36-2 1494.0 12.97%
cis-3,5-Diethyl-1,2,4-trithiolane 38348-25-3 8.42%
Dimethyl trisulfide 3658-80-8 974.0 1388.0 6.14%
1-(Methylthio)propyl methyl disulfide 53897-66-8 6.07%
Methyl (E)-1-propenyl disulfide 23838-19-9 5.91%
3,4-Dimethylthiophene 632-15-5 5.5%
Dipropyl disulfide 629-19-6 1358.0 4.28%
Dipropyl trisulfide 6028-61-1 3.86%
Propyl 1-propenyl trisulfide 33368-79-5 2.94%
Methyl propyl disulfide 2179-60-4 1236.0 2.76%
5-Ethyl-2,3,4,6-tetrathiaheptane 2.54%
Dimethyl tetrasulfide 5756-24-1 1232.0 1580.0 2.15%
Methyl trans-1-propenyl trisulfide 23838-25-7 2.01%
2,4-Dimethylthiophene 638-00-6 1.85%
2-Tridecanone 593-08-8 1487.0 1793.25 1.63%
Methyl cis-1-propenyl trisulfide 23838-24-6 1.55%
2,4-Dimethyl-5,6,-dithia-2,7-nonadienal 1.24%
1-(Methylthio)propyl propyl disulfide 126876-22-0 1.06%
2,3-Dihydro-octyl-5-methylfuran-3-one 57877-72-2 0.84%
Dipropyl tetrasulfide 52687-98-6 0.82%
3-Ethyl-2,4,5,6-tetrathiaheptane 0.79%
Dimethyl disulfide 624-92-0 742.0 1080.75 0.78%
(E)-1-Propenyl propyl disulfide 23838-21-3 0.78%
1-(1-Propenylthio)propyl methyl disulfide 0.76%
4-Ethyl-2,3,5,6-tetrathianonane 0.76%
1-(Propylthio)propyl methyl disulfide 126876-21-9 0.7%
Propanethiol 107-03-9 0.69%
Propyl hydrosulfide 0.58%
1-(Methylthio)propyl (E)-1-propenyl disulfide 37399-26-1 0.56%
6-Ethyl-4,5,7-trithia-2,8-decadiene 126876-28-6 0.54%
2,4-Dimethyl-5,6-dithia-2,7-nonadienal 5-oxide 0.44%
2-Undecanone 112-12-9 1295.71 1592.0 0.42%
Dimethyl pentasulfide 7330-31-6 0.42%
1-(Propylthio)propyl propyl disulfide 126876-27-5 0.33%
2,3-Dimethyl-5,6-dithiabicyclo[2.1.1]hexane 5,5-dioxide 0.32%
cis-3-Methyl-5-ethyl-1,2,4-trithiolane 0.28%
trans-3-Methyl-5-ethyl-1,2,4-trithiolane 69098-44-8 0.28%
trans-4,6-Diethyl-1,2,3,5-tetrathiane 0.28%
1-(Methylthio)ethyl methyl disulfide 4413-29-0 0.27%
Methyl hydrosulfide 6251-26-9 0.27%
cis-5,7-Diethyl-1,2,3,4,6-pentathiepane 0.27%
(Z)-1-Propenylhydrosulfide 0.26%
4-Ethyl-2,3,5,6,7-pentathiaoctane 0.26%
Propyl 3,4-dimethylthienyl disulfide 0.25%
6-Ethyl-4,5,7,8-tetrathiaundecane 0.25%
Propyl 1-propenyl tetrasulfide 0.24%
(E)-1-(Propylthio)propyl 1-propenyl disulfide 0.24%
5,6-Dimethyl-2,3,7-trithiabicyclo[2.2.1]heptane 0.23%
3-Methyl-1,2,4-trithiolane 51647-38-2 0.21%
1-Propenethiol 925-89-3 0.18%
Total 87.18%