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Table 4 List of previously reported compounds in Allium species and 12 VOCs with significant changes in A. chinense and A. tuberosum against A. fistulosum in this study

From: Unbiased profiling of volatile organic compounds in the headspace of Allium plants using an in-tube extraction device

Name ID Detected Allim subspecies Reference
Sulfur-containing peaks
 Thiophene, 2,4-dimethyl ID032 A. chinense, A. tuberosum and A. fistulosum  
 Dimethyl trisulfide ID054 A. chinense, A. tuberosum and A. fistulosum [42]
 3-Thiophenecarboxaldehyde ID065 A. chinense, A. tuberosum and A. fistulosum  
 Diallyl disulphide ID091 A. chinense, A. tuberosum and A. fistulosum  
 1,2,4-Trithiolane ID099 A. chinense, A. tuberosum and A. fistulosum  
 Dipropyl disulfide ID101 A. chinense, A. tuberosum and A. fistulosum  
 3-Vinyl-1,2-dithiacyclohex-5-ene ID134 A. chinense, A. tuberosum and A. fistulosum  
 2,5-Thiophenedicarboxaldehyde ID154 A. chinense, A. tuberosum and A. fistulosum  
 Thieno[2,3-b]thiophene, 2-methyl ID200 A. chinense, A. tuberosum and A. fistulosum  
 Fully saturated thiosulfinates ND A. cepa, A. sativum, A. ursinum, A. porrum, A. fistulosum, A. ascalonicum, A. ampeloprasum, A. schoenoprasum and A. tuberosum [10]
 Mono-S-b,c-unsaturated thiosulfinates ND A. cepa, A. sativum, A. ursinum, A. porrum, A. fi A. m, A, A. ascalonicum, A. ampeloprasum, A. schoenoprasum and A. tuberosum [10]
 Di-S-b, c-unsaturated thiosulfinates ND A. cepa, A. sativum, A. ursinum, A. porrum, A. fistulosum, A. ascalonicum, A. ampeloprasum, A. schoenoprasum and A. tuberosum [10]
 Mono-a, b-unsaturated thiosulfinates ND A. cepa, A. sativum, A. ursinum, A. porrum, A. fistulosum, A. ascalonicum, A. ampeloprasum, A. schoenoprasum and A. tuberosum [10]
 Mixed a, b- and c-unsaturated thiosulfinates. ND A. cepa, A. sativum, A. ursinum, A. porrum, A. fistulosum, A. ascalonicum, A. ampeloprasum, A. schoenoprasum and A. tuberosum [10]
 Allicin (diallylthiosulphinate) ND A. sativum [5]
 Alliin (S-allyl-l-cysteine sulphoxide) ND A. sativum,A. ursinum, A. ampeloprasum and A. longicuspis [5, 10]
 Dipropyl disulphide ID101 A. fistulosum and A. tuberosum [6, 42]
 Dipropyl trisulphide ND A. fistulosum and A. tuberosum [6]
 1-Propenyl propyl disulphide ND A. fistulosum and A. tuberosum [6]
 Methiin (S-methyl-l-cysteine sulfoxide) ND A. cepa, A. sativum,A. chinens and A. longicuspis [10]
 Propiin (S-propyl-l-cysteine sulfoxide) ND A. cepa, A. porrum, A. porrum, A. altaicum and A. fistulosum [10]
 Isoalliin (S-propenyl-l-cysteine sulfoxide) ND A. cepa, A. nutans,A. ascalonicum and A. schoenoprasum [10]
 Ethiin (S-ethyl-l-cysteine sulfoxide) ND A. aflatunens, A. ampeloprasum, A. ochotense and A. victorialis [10]
 Butiin (S–n-butyl-l-cysteine sulfoxide) ND A. siculum [10]
 1-Propenyl-containing disulfides ND A. uictorialis [13]
 Thiopropanal S-oxide ND A. cepa [42]
 Propenyl propyl disulphide ND A. cepa [42]
 1-Propenyl propyl disulphide ND A. cepa [42]
 Di-1-propenyl disulphide ND A. cepa [42]
 Methyl propyl trisulphide ND A. cepa [42]
 Propenyl propyl trisulphide ND A. cepa [42]
Peaks consisting of CHO
 2-Butenal, 2-ethyl ID011 A. chinense, A. tuberosum and A. fistulosum [13]
 Decenal, (2E) ID143 A. chinense, A. tuberosum and A. fistulosum [13]
 2-Methyl-2-pentenal ND A. uictorialis and A. cepa [13, 42]
 Prop(en)yl aldehydes ND A. cepa [42]
 2-Methyl-2-pentenal ND A. cepa  
Peaks consisting of CH
 Nonadecane ID322 A. chinense, A. tuberosum and A. fistulosum [5355]
  1. ND not detected in this study