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Recovery of γ-oryzanol from rice bran oil with silica-based continuous chromatography

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Journal of the American Oil Chemists' Society

Abstract

A simulated moving bed chromatography separator was tested for recovery of γ-oryzanol from degummed and dewaxed rice bran oil that contained 1.2 to 1.6% γ-oryzanol. A crude product with 12–15% of γ-oryzanol was obtained and a 90 to 95% pure product was recovered from the concentrate by crystallization from heptane. With the recycling of the crystallization liquor, an overall γ-oryzanol recovery of 85 to 90% is feasible and is potentially higher than the recovery in the conventional soapstock-based process.

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Authors and Affiliations

  1. Audubon Sugar Institute, Louisiana State University Agricultural Center, 70803, Baton Rouge, Louisiana

    Michael Saska

  2. Advanced Separation Technologies, Inc., 33801, Lakeland, Florida

    Gordon J. Rossiter

Authors
  1. Michael Saska
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  2. Gordon J. Rossiter
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Corresponding author

Correspondence to Michael Saska.

Additional information

Approved for publication by the Director, Louisiana Agricultural Experiment Station as publication No. 97-60-0276.

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Saska, M., Rossiter, G.J. Recovery of γ-oryzanol from rice bran oil with silica-based continuous chromatography. J Amer Oil Chem Soc 75, 1421–1427 (1998). https://doi.org/10.1007/s11746-998-0193-6

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  • DOI: https://doi.org/10.1007/s11746-998-0193-6

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