Table 3.

Reported major essential oil components in Hypericum perforatum.

Collection Location								Major Components (>10%)	References
	β-pinene	α-pinene	2-methyloctane	spathulenol	caryophyllene oxide	germacrene D	β-caryophyllene	Other
China	X	X	X						102
China								hexadecanoic acid	102
China						X	X		83, 104
China^*					X				100
China^*					X				101
France	X	X	X				X	n -nonane; n -undecane; humulene	39, 97-98
France		X			X				105
France				X	X		X	1-tetradecanol, β-funebrene, 1-dodecanol, and γ-muurolene	106
France		X	X						107
France				X		X	X	n -decane	108
Germany		X	X						18
Greece		X	X			X	X		109
Greece		X	X						84
India		X							99
Iran	X	X				X		β-selinene; α-selinene	110
Iran				X	X			hexadecanoic acid; n -tetradecanol; thymol	111
Iran				X			X	α- and γ-eudesmol; bicyclogermacrene	112
Iran		X						α-amorphene	122
Italy				X	X		X		113
Italy		X	X			X			114
Italy¹							X	2,6-dimethylheptane	52
Italy¹						X	X		43
Italy²		X						2,6-dimethyloctane	52
Italy²		X					X		43
Italy³		X	X		X				114
Lithuania				X	X		X	viridiflorol; tetradecanol	115
Lithuania					X	X	X		116
Portugal						X	X	β-selinene	117
Portugal			X			X	X		118
Serbia	X	X				X		α-bergamotene; (E )-anethole	61
Serbia							X	β-farnesene	121
Serbia			X				X		88
Serbia^*		X				X		(Z)-β-farnesene	60
Serbia¹							X	bis-(2-ethyl)-1,2-benzene-dicarboxylic acid; n -eicosane; 1- tetradecanol; palmitic acid; 10-methyl-1-undecene	120
Serbia³					X				119
Serbia³								10-methyl-1-undecene; 1-tetradecanol	120
Uzbekistan							X		72

no components reported >10%; constituents >5% reported

Identified as H. perforatum ssp. perforatum

Identified as H. perforatum ssp. veronense

Identified as H. perforatum ssp. angustifolium