Table 3.

Composition of essential oils isolated from Allium ursinum leaves collected at different sites in Europe (Ivanova et al. 2009; Godevac et al. 2008; Schmitt et al. 2005; Błażewicz-Woźniak and Michowska 2011)

Compounds	Origin of plant material
	*1	*2	*3	*4	*5	*6
Sulfide, methyl 2-propenyl			+
Sulfide, di-2-propenyl			+
Propylene sulfide	+
Disulfide, methyl 2-propenyl	+	+	+	+	+	+
Disulfide, methyl propyl		+	+	+	+	+
Disulfide, methyl 1-propenyl, (E)-		+	+	+	+	+
Disulfide, methyl 1-propenyl, (Z)-			+
Disulfide, dimethyl	+		+	+	+	+
Disulfide, dipropyl			+
Hex-3-en-1-ol, (E)-		+	+
Disulfide, di-2-propenyl	+	+	+	+	+	+
Disulfide, 2-propenyl propyl	+	+	+
Allyl (E)-1-propenyl disulfide		+	+
Disulfide, 1-propenyl propyl, cis			+
Disulfide, 1-propenyl propyl, trans			+
Nonanal		+		+	+
Trisulfide, methyl 2-propenyl	+	+		+	+	+
Trisulfide, methyl propyl		+	+
Trisulfide, dimethyl	+	+	+	+	+	+
Trisulfide, methyl 1-propenyl, (Z)-		+
Trisulfide, methyl 1-propenyl, (E)-		+
Tetrasulfide, dimethyl	+	+		+	+	+
Trisulfide, dipropyl	+		+
Trisulfide, di-2-propenyl	+	+		+	+	+
Trisulfide, propyl 2-propenyl		+
Trisulfide, 1-propenyl 2-propenyl, (Z)-		+
Trisulfide, 1-propenyl 2-propenyl, (E)-		+
Tetrasulfide, methyl 2-propenyl		+		+	+	+
Tetrasulfide,di-2-propenyl	+	+		+	+	+
1-Propene, 3,3′-thiobis-(CAS#592-88-1)					+	+
Propylthiol			+
Dimethylthiophene	+		+
Pentanal, 2-methyl			+
2-Hexenal	+		+
Cumene					+	+
Benzene, 1-ethyl-4-methyl					+
1,2,3-Trimethylbenzene				tr.	+	+
5-Hepten-2-one, 6-methyl					+
n-Octanal				tr.	+	+
Cyclohexanone, 2,2,6-trimethyl				+	+
1-Propene, 1-(methylthio)-, (Z)-				+	+	+
1-Propene, 1-(methylthio)-, (E)-				+	+	tr.
Decenal				+	+	tr.
1-Cyclohexene-1-acetaldehyde, 2,2,6-trimethyl				tr.	+
2H-1-benzopyran 3,4,4a,5,6,8a-hexahydro-2,5,5,8a-tetramethyl, (2α,4a α α,8aα)-				+	+	+
2,6,10,10-Tetramethyl-1-oxa-spiro[4,5]dec-6-ene				+	+
2-Undecanone, 6,10-dimethyl				tr.	+
(E)-β-caryophyllene				+	+
Geranyl acetone				+	+	+
Alloaromadendrene				+	+
(E)-β-ionone				+	+	+
2-Tridecanone				+	+	+
1,6,10-Dodecatrien-3-ol, 3,7,11-trimethyl					+
2-Hexadecanol					+
Spathulenol				+	+	+
Caryophyllene oxide				+	+	+
1-Tetradecanal	+			+	+	+
Pentadecanal				+	+	+
2-Pentadecanone, 6,10,14-trimethyl				+	+	+
5,9,13-Pentadecatrien-2-one, 6,10,14-trimethyl, (E,E)-				+	+	+
Phytol	+			+	+	+
n-Hexadecanoic acid				+	+	+
Phytol acetate				+	+	+
2-Vinyl-1,3-dithiane	+
3,4-Dihydro-3-vinyl-1,2-dithiin	+
2-Vinyl-4H-1,3-dithiin	+
2-Hexenol	+
1-Hexadecanal	+
1-Octadecenol	+
1-Octadecen	+
Heneicosane	+
Tricosane	+
Tetracosane	+
Pentacosane	+
Hexacosane	+
Heptacosane	+
Nonacosane	+
Phytol isomer	+

tr. Traces

*1 Leaves harvested in the vicinity of Ihtiman, Bulgaria; the oil obtained by hydrodistillation method; GC/MS analysis (Ivanova et al. 2009)

*2 Leaves collected in the vicinity of Belgrade, Serbia; hydrodistillation; GC/MS analysis (Godevac et al. 2008)

*3 The samples collected in the area of Quedlinburg, Germany; the investigation by SPME-GC (Schmitt et al. 2005)

*4 The plant material harvested in Dukla, Poland

*5 Roztocze region, Poland

*6 Bieszczady, Poland; isolation of the oil by steam distillation; GC/MS analysis (Błażewicz-Woźniak and Michowska 2011)