Hyssopus Essential Oil: An Update of Its Phytochemistry, Biological Activities, and Safety Profile

Table 2

Principal bioactive compounds of Hyssopus essential oil.

Plant material	Essential oil yield	Principal component of essential oil	Region	Reference
Air-dried aerial parts	1.2%	Cis-pinocamphone (21.59%), trans-pinocamphone (7.93%), elemol (7.12%), bicyclogermacrene (6.58%), germacrene D (6.52%), limonene (6.36%), β-pinene (5.20%), trans-caryophyllene (4.65%)	Iran	[40]
Aerial parts	0.18%	Myrtenyl acetate (74.08%), camphor (6.76%), germacrene (3.39%), spathulenol (2.14%), caryophyllene oxide (2.13%), β-caryophyllene (2.10%), cis- sabinol (1.75%), β-bourbonene (1.47%), bornyl acetate (1.42%)	Iran	[39]
Fresh aerial part (stem with inflorescence)	0.47%	Pinocamphone 19.8%, %, iso-pinocamphone 24.6%	Spain	[3, 41]
Aerial part (blue flowers)	0.36%	%, %, %, %, %	East Lithuania	[41, 42]
Aerial parts	0.4%	%, %, %, %, %	India	[41, 43]