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Experimental Investigation on efficient Supercritical CO2 Extraction of Essential Oil from Turmeric Rhizomes: Effects of Geometric and other Operation Parameters Fig 5: Gas chromatogram of bioactive components of turmeric essential oil Table 8: Percentage chemical composition of the turmeric essential oil Components Name Ethanol, 2-Methoxy-, Acetate ar-Turmerol ar - Curcumene β-Sesquiphellandrene ar-Turmerol ar-Turmerol Lanceol dihydro-ar-Turmerone β-Biotol Formic Acid, Benzoyl-,(8’-phenylmethyl) ester ar Turmerone Tumerone 1,5-Heptan-4-ol, 3,3,6-Trimethyl β-Biotol Curlone or β Tumerone Turmerol Bisabolone ar-Turmerol Atlantone Atlantone Tumerone Cyclohexane, (2-Nitro-2-Propenyl) Atlantone Cyclohexanecarboxylic acid, 3-phenylpropyl ester Benzene, (1-cyclopenten-1-ylsulfonyl) α-Oxobisabolene 5-Hydroxymethyl-1,1,4a-trimethyl-6-methylenedecahydronaphthalen-2-ol Atlantone 2-Methyl-4-octenal Atlantone 2,5-Heptadien-4-one,2,6-Dimethyl- Molecular Formula C5H10O3 C15H22O C15H22 C15H24 C15H22O C15H22O C15H24O C15H22O C15H24O C8H8O2 C15H20O C15H22O C10H18O C15H24O C15H22O C15H22O C15H24O C15H22O C15H22O C15H22O C15H22O C9H15NO2 C15H22O C16H22O2 C11H12O2S C15H24O C15H26O2 C15H22O C9H16O C15H22O C9H14O Molecular Retention % Weight Time Con. 118.1311 6.551 0.27 218.34 31.892 0.11 202.341 36.162 1.49 204.357 37.690 0.91 218.34 39.012 2.05 218.34 39.714 0.95 220.356 40.042 0.28 216.324 40.481 1.77 220.356 40.910 1.18 136.15 41.250 0.29 216.324 41.680 57.21 218.34 41.868 1.21 154.253 41.995 0.61 220.356 42.653 0.27 218.34 42.922 14.63 218.34 43.907 0.18 220.356 44.257 1.31 218.34 44.968 3.03 218.34 45.220 2.82 218.34 45.619 0.66 218.3346 46.603 0.43 169.2209 47.797 0.93 218.34 48.432 1.00 246.35 48.787 1.03 208.277 48.975 0.30 220.3505 49.317 0.88 238.371 50.100 0.24 218.34 50.412 1.42 140.226 52.967 1.47 218.34 56.374 0.18 138.21 56.759 0.26 Rest components were present in the range of 0.01 - G. Dynamic Mathematical Model of OECs The OECs obtained from different experiments for RSM studies were found to fit in the Luo Denglin dynamic model type equation [36]. The model was expressed as- where Y represents the amount oil extracted expressed as (%OY) at time t, is a measure of the maximum value of Y after infinite time that is the maximum amount of extractable oil (%OYmax) and k is a rate constant. 0.14. Yα was substituted from the yield Soxhlet extraction experiments. The maximum oil yield obtained in the Soxhlet process was 5.42 ( ). The rate constant, k, is found to be a function of reduced temperature and reduced pressure. It is defined as , value obtained from Retrieval Number: H6344068819/19©BEIESP 330 Published By: Blue Eyes Intelligence Engineering & Sciences PublicationPDF Image | Supercritical CO2 Extraction of Essential Oil from Turmeric
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