Chromatogram of 10 essential oils

The scan of TLC plate (silica gel G) with 10 essential oils developed with mobile phase toluene – ethyl acetate (93:7 v/v), next sprayed with vanillin in H2SO4 and heated. From left to right oils from: bergamot, cedar, eucalyptus, syzygium, malaleuca, lavandula, mint, orange, pine, spruce. Identified components: B1 and L1 – linalol, B2 and L2 – linalyl acetate, E1 – cinneol, G1 – eugenol, G2 – carryophyllene. Doubtfully identified components – C1 – cedrol, M3 – menthol, P1 – limonene.

by Lukke (2007), via Wikipedia