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International Journal of Innovative Technology and Exploring Engineering (IJITEE) ISSN: 2278-3075, Volume-8 Issue-8 June, 2019 Fig. 3(b) percent yield vs. particle size and extraction pressure at a constant temperature of 500C Fig. 3(c) percent yield vs. extraction particle size and extraction temperature at a constant pressure of 24.55 MPa Fig. 4 is a graphical representation of the predicted response of ANOVA vs. actual response in terms of %OY obtained from various experiments of RSM study. Finally, numerical optimization of the operating variables was carried out to predict the optimal conditions of three factors towards the maximized yield of turmeric. The optimized values of 3 factors with corresponding with maximized %OY are reported in Table 7. Fig. 4: Graphical representation of the predicted response of %OY vs. actual response of %OY Table- 7 Optimum points of operating parameters to maximize the responses %OY %OY 4.454 F. Chemical Analysis of Essential Oil Components of Turmeric Rhizomes The volatile ingredients of the turmeric oil obtained from SCO2E at optimal conditions using bed type AB1were analyzed. The full-length GC-MS chromatogram of turmeric oil was shown in Fig 5. The components identification methods were described in a previous study [25]. The identified compounds present in the turmeric oil sample were listed in Table 8. Some of the principal components detected are ar-Turmerone 57.21%, Curlone 14.63%, Curcumene 1.49%, Tumerone 1.21%, etc. Published By: Fig. 3(a) Fig. 3(b) Fig. 3(c) Fig. 3 Response surface plots (a-c) for turmeric oil Fig. 3(a) percent yield vs. extraction temperature and pressure at a constant particle size of 0.6 mm; Pressure Temperature Particle Size 27.097 59.957 0.3 Blue Eyes Intelligence Engineering Retrieval Number: H6344068819/19©BEIESP 329 & Sciences PublicationPDF Image | Supercritical CO2 Extraction of Essential Oil from Turmeric
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