double decolorization rice bran oil making machine in egypt

                                               
                                               
                                               
                                               
                                               
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  • What is the first step in refining rice bran oil?
  • In industrial production, rice bran oil is mostly refined by hydration degumming, active clay decolorization, steam deacidification and deodorization, and low-temperature freezing dewaxing. The specific method is to add 2¡ë~3¡ë phosphoric acid and a proper amount of water to treat the crude rice bran oil at 90 °C for degumming.
  • Can a nonporous membrane be used for degumming and decolorizing crude rice bran oil?
  • Efficacy of nonporous membrane has been evaluated for simultaneous degumming, decolorizing and dewaxing crude rice bran oil (CRBO). Membrane processing of CRBO showed that phospholipids (PL) were almost completely rejected (>99%) by nonporous membranes in both industrial and laboratory-prepared samples.
  • What are the technologies of rice bran oil?
  • The processing technologies of rice bran oil include degumming, deacidification, dewaxing, etc.. These technologies help refine the oil and maintain its bioactive compounds.
  • What is deacidification of rice bran oil?
  • Deacidification is the process of removing free fatty acids from crude rice bran oil. This process can be achieved through various methods such as alkali refining, distillation, mixing, re-esterification, and extraction. Among these, alkali refining has comprehensive effects like deacidification and decolorization, but it results in higher refining loss.
  • Can rice bran be treated with enzymes?
  • Treating rice bran with enzymes is a new oil processing technology. The cell tissue of rice bran is hydrolyzed with protease and then oil is released to achieve the purpose of oil extraction (Hanmoungjai et al. 2001).
  • How is rice bran oil processed?
  • Rice bran oil undergoes several refining processes to meet the standards of edible oil. These processes include degumming, decolorizing, and deodorizing. Briefly, degumming removes gums and phospholipids, decolorizing removes color pigments, and deodorizing removes unwanted odors and flavors.