rice bran crude oil refinery in philippines

                                               
                                               
                                               
                                               
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  • How to Refin a crude rice bran oil?
  • Generally, the first step in the refining process with crude rice bran oil is dewaxing or winterizing, although for other vegetable oils the dewaxing step can be done at different times in the refining process. The reason is that crude rice bran oil can have up to 8% wax depending on the extraction method.‌
  • What are the technologies of rice bran oil?
  • After that, the fatty acid composition, bioactive compounds, and the processing technologies of rice bran oil are described and the refining technology of rice bran oil (degumming, deacidification, dewaxing, etc.) as well as the technologies to remaining the bioactive compounds in rice bran oil are introduced.‌
  • Does rice bran need solvent extraction?
  • As with other oleaginous materials with low oil content, rice bran is best subjected to solvent extraction to obtain a high oil yield. Given our 80+ years of experience in the edible oils industry, we at Kumar also recommend using solvent extraction with hexane for your rice bran oil production process.‌
  • What is rice bran oil?
  • Since rice bran oil is not obtained from the protected seed of a fruit, in its crude form, it is full of impurities which must be eliminated. Rice bran also contains an enzyme called lipase which converts the neutral oil to free fatty acids (FFAs) and partial glycerides.‌
  • What is deacidification of rice bran oil?
  • Deacidification is the process of removing free fatty acids from crude rice bran oil. The deacidification methods of rice bran oil include alkali refining, distillation, mixing, re-esterification, and extraction. The alkali refining method has comprehensive effects such as deacidification and decolorization, but the refining loss is much higher.‌
  • What is the oleic acid value of rice bran oil after alkali refining?
  • After alkali refining, the oleic acid value of rice bran oil was reduced to 0.23 mg/g. The decolorization process cannot only improve the color of rice bran oil but also remove trace metal ions, peroxides, and some odorous substances (He 2010).