No. Retention time (min) Compound Chemical formula Relative amount (%) CAS 1 7.337 β -PineneC10 H16 1.18 000127-91-3 2 7.520 β -MyrceneC10 H16 0.32 000123-35-3 3 8.280 D-Limonene C10 H16 42.72 005989-27-5 4 8.470 β -OcimeneC10 H16 0.55 013877-91-3 5 8.912 Linalyl oxide C10 H18 O2 0.19 005989-33-3 6 9.170 Terpinolene C10 H16 0.17 000586-62-9 7 9.333 Linalool C10 H18 O 1.34 000078-70-6 8 10.616 Terpinen-4-ol C10 H18 O 0.39 000562-74-3 9 10.819 (-)-β -Fenchyl alcohol C10 H18 O 0.45 000470-08-6 10 11.240 (-)-trans-Carveol C10 H16 O 0.35 001197-07-5 11 11.417 Carveol C10 H16 O 0.17 000099-48-9 12 11.620 d-Carvone C10 H14 O 0.15 002244-16-8 13 12.645 Dodecamethylcyclohexasiloxane C12 H36 O6 Si6 0.14 000540-97-6 14 12.978 α -TerpineneC15 H24 0.38 000099-86-5 15 13.752 β -ElemeneC15 H24 0.52 000515-13-9 16 13.942 (-)-Cyperene C15 H24 0.17 002387-78-2 17 14.193 β -CaryophylleneC15 H24 1.08 000087-44-5 18 14.336 γ -ElemeneC15 H24 7.83 029873-99-2 19 14.655 Humulene C15 H24 0.47 006753-98-6 20 14.899 γ -CadineneC15 H24 0.32 030021-74-0 21 15.008 Germacrene D C15 H24 2.05 023986-74-5 22 15.089 β -SelineneC15 H24 1.34 017066-67-0 23 15.184 Valencene C15 H24 0.32 004630-07-3 24 15.483 (+)-delta-Cadinene C15 H24 0.62 000483-76-1 25 15.714 Isoledene C15 H24 3.71 095910-36-4 26 15.802 3-(2 , 4 - Dimethylpenta-1 , 4 - dien-3 - ylidene)-6,6-dimethylcyclohex-1-ene — 0.76 997214-07-9 27 15.890 Nerolidol C15 H26 O 0.20 007212-44-4 28 16.067 Isolongifolene, 9,10-dehydro- C15 H22 0.85 997214-17-0 29 16.630 4-Bromo-1-naphthylamine C10 H8 BrN 0.23 002298-07-9 30 16.841 Spathulenol C15 H24 O 1.01 006750-60-3 31 17.296 Atractylon C15 H20 O 27.51 006989-21-5 32 17.526 Vulgarol B C20 H36 O2 0.22 011056-03-4 33 17.662 (1R,4Ar,8aR)-1,4a-Dimethyl-7-propan-2-ylidene-3,4,5,6,8,8a-hexahydro-2H-naphthalen-1-ol C15 H26 O 0.15 000473-04-1 34 17.839 1-Hydroxy-1-methyl-7(methylethenyl)[1,2,3,3a,4,5,6,7]octahydro azulene — 0.17 997228-20-5 35 18.083 4-Methoxy-5-oxidanyl-naphthalene-2-carboxylic acid — 0.72 997266-09-1 36 19.889 1,5,9-Trimethyl-2-oxatricyclo[7.3.0.0(3,8)]dodec-3(8),4,6-triene — 0.82 997213-83-9 37 20.106 Palmitic acid C16 H32 O2 0.30 000057-10-3 38 20.737 3-Phenyl-1,2-dihydrocyclopenta[a]indene C18 H14 0.16 997312-45-2