Table 1.

Anti-inflammatory monoterpenes modulating TRP channel activity compared to the essential oil of Mentha pulegium L. and Origanum dictamnus L.

	Channel modulation			Plant
Terpene	TRPA1	TRPV1	TRPM8	Mentha pulegium L.	Origanum dictamnus
Borneol	X
1,8-cineol	X		X
Camphor	X	X	X
Carvacrol	X			X	X
Carvone	X	X	X
Citral	X	X	X
Citronellol	X	X	X
p-cymene	X		X		X
Fenchone	X
Limonene	X			X
Linalool	X		X		X
L-menthol	X	X	X
β-myrcene	X	X		X	X
α-pinene	X	X		X	X
Pulegone	X	X	X	X
Thymol	X		X		X
Thymoquinone	X

The mark (“X”) indicates if the monoterpene listed in the left column modulates a TRP channel activity. Each monoterpene is then associated to its presence (“X”) in the essential oil of Mentha pulegium or Origanum dictamnus (right columns).