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dc.contributor.authorBalachandran, C-
dc.contributor.authorMayamol, P N-
dc.contributor.authorShiny, T-
dc.contributor.authorDivya, S-
dc.contributor.authorSundaresan, A-
dc.contributor.authorArumughan, C-
dc.date.accessioned2016-01-18T07:10:18Z-
dc.date.available2016-01-18T07:10:18Z-
dc.date.issued2008-
dc.identifier.citationBioresource Technology 99(8):2905-2912;May 2008en_US
dc.identifier.issn0960-8524-
dc.identifier.urihttp://ir.niist.res.in:8080/jspui/handle/123456789/2125-
dc.description.abstractAn integrated approach to extraction and refining of RBO using supercritical carbon dioxide (SC-CO2) in order to preserve the nutritionally important phytochemicals is reported here. Process variables such as pressure, temperature, time, solvent flow rate and packing material on extraction yield and quality of RBO were investigated using a pilot model SC-CO2 extraction system. Three isobaric (350, 425 and 500 bar), three isothermal temperatures (50, 60 and 70 degrees C), three extraction times (0.5, 1 and 1.5 h), at 40 g/min CO2 flow rate and three packing materials (pebbles, glass beads and structured SS rings) were employed. The RBO yield with SC-CO2 extraction increased with temperature and time under isobaric conditions. At the 60 degrees C isotherm, an increase in the RBO yield was obtained with an increase in the pressure and time. The RBO yield increased significantly with structured SS rings used as packing material. The RBO extracted with SC-CO2 had negligible phosphatides, wax and prooxidant metals (Fe and Cu) and was far superior in color quality when compared with RBO extracted with hexane. At the optimum condition of extraction at 500 bar, 60 degrees C for 1.5 h, with structured SS rings used as packing material, the yield of RBO was comparable with that of hexane extraction (22.5%). The phytochemical contents of the RBO under the optimum conditions were in the range of tocols, 1500-1800 ppm; sterols, 15,350-19,120 ppm and oryzanol 5800-11,110 ppm.en_US
dc.language.isoenen_US
dc.publisherElsevieren_US
dc.subjectSupercritical carbon dioxideen_US
dc.subjectRice bran oilen_US
dc.subjectPacking materialen_US
dc.subjectMicronutrientsen_US
dc.subjectPilot-scale extractionen_US
dc.subjectFluid extractionen_US
dc.subjectGamma-oryzanolen_US
dc.subjectDeacidificationen_US
dc.titleAn ecofriendly approach to process rice bran for high quality rice bran oil using supercritical carbon dioxide for nutraceutical applicationsen_US
dc.typeArticleen_US
Appears in Collections:2008

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