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Table 1 Chemical composition of the rosemary essential oil

From: Antioxidant activity of rosemary (Rosmarinus officinalis L.) essential oil and its hepatoprotective potential

Compounds RT-FIDa RT-MSb RRTc Percentage content (% m/m)
Monoterpene hydrocarbons     31.22
  Tricyclene 12.640 6.82 0.579 0.23
  α-Thujene 12.777 7.00 0.585 0.13
  α-Pinene 13.100 7.19 0.600 11.51
  Camphene 13.737 7.62 0.629 4.55
  Sabinene 14.697 8.47 0.673 0.05
  β-Pinene 14.887 8.50 0.681 8.16
  β-Myrcene 15.292 9.04 0.700 0.99
  α-Phellandrene 15.955 9.43 0.730 0.19
  δ3-Carene 16.212 9.62 0.742 0.13
  α-Terpinene 16.456 9.85 0.753 0.14
  p-Cymene 16.782 10.13 0.768 1.23
  Limonene 16.970 10.25 0.777 2.80
  γ-Terpinene 18.178 11.30 0.832 0.92
  α-Terpinolene 19.416 12.31 0.889 0.19
Oxygenated monoterpenes     63.88
  1,8-cineole 17.124 10.43 0.784 43.77
  Linalool 19.746 12.82 0.904 0.46
  Camphor 21.845 14.30 1.000 12.53
  Isoborneol 22.318 14.71 1.022 0.53
  Borneol 22.655 15.05 1.037 2.97
  Terpinen-4-ol 23.059 15.44 1.056 0.56
  α-Terpineol 23.548 15.93 1.078 1.53
  γ-Terpineol 23.802 16.17 1.090 0.40
  Bornyl acetate 27.185 19.14 1.244 1.13
Sesquiterpene hydrocarbons     4.77
  α-Copaene 30.598 22.03 1.401 0.12
  Longifolene 31.866 22.93 1.459 0.18
  β-Caryophyllene 32.240 23.41 1.476 3.93
  α-Humulene 33.406 24.45 1.529 0.36
  Germacrene D 34.029 25.18 1.558 0.08
  δ-Cadinene 35.528 26.59 1.626 0.10
Total identified     99.87
Number of compunds identified     29
  1. aRT-FID - retention time in GC/FID system; bRT-MS - retention time in GC/MS system; cRRT - relative retention time with respect to camphor.