Simple Techniques to Increase the Production Yield and Enhance the Quality of Organic Rice Bran Oils
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- Srikaeo Khongsak
- Faculty of Food and Agricultural Technology, Pibulsongkram Rajabhat University
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- Pradit Maythawinee
- Faculty of Food and Agricultural Technology, Pibulsongkram Rajabhat University
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Abstract
This study develops simple techniques for increasing production yield and refining of crude RBO (CRBO). It was found that pre-heating of rice bran by hot air oven to reach 60°C before being extracted by screw press machine increased the yield from 4.8 to 8.3%w/w. This paper suggested three simple steps for refining of organic CRBO: (1) filtering using filter papers (2) sedimentation by adding 4%w/v fuller's earth and (3) bleaching by running through a packed column of activated carbon. These steps significantly enhanced the qualities of RBO when compared to CRBO before treatment. It was found that the lightness of oil as indicated by color value (L*) increased from 22.8 to 28.7, gum and wax decreased from 3.6 to 1.3%w/w. However, the simple refining method had no effect on peroxide value and free fatty acid content. Moreover, it slightly induced the loss of oryzanol content from 2.8 to 2.2%w/w.
Journal
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- Journal of Oleo Science
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Journal of Oleo Science 60 (1), 1-5, 2011
Japan Oil Chemists' Society
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Details 詳細情報について
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- CRID
- 1390001204093177216
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- NII Article ID
- 130000438319
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- NII Book ID
- AA11503337
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- DOI
- 10.5650/jos.60.1
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- ISSN
- 13473352
- 13458957
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- NDL BIB ID
- 10918988
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- Text Lang
- en
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- Data Source
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- Abstract License Flag
- Disallowed