sunflower use and refined processing type rice bran oil refinery in pakistan

                                               
                                               
                                               
                                               
                                               
  •                                        
  •                                        
  •                                        
  •                                        
                                               
                                               
                                               
                                               
  •                                        
  •                                        
  •                                        
  •                                        
                                               
                                               
                                               
                                               
  •                                        
  •                                        
  •                                        
  •                                        
                                               
                                               
                                               
                                               
  •                                        
  •                                        
  •                                        
  •                                        
                                               
                                               
                                               
                                               
  •                                        
  •                                        
  •                                        
  •                                        
                                               
                                               
                                               
                                               
  •                                        
  •                                        
  •                                        
  •                                        
  • What are the refining processes of rice bran oil?
  • The refining technology of rice bran oil includes degumming, deacidification, dewaxing, etc. as well as the technologies to remaining the bioactive compounds in rice bran oil.
  • What is the difference between mixed refining and re-esterification of rice bran oil?
  • Mixed refining improves the refining rate and obtains high-quality rice bran oil with reduced solvent loss. On the other hand, re-esterification effectively removes free fatty acids and significantly increases the glycerol content in rice bran oil.
  • Why is sodium hydroxide important in rice bran oil refining?
  • In the refining of rice bran oil, which is prone to hydrolytic rancidity and high free fatty acid levels, an amount of base like sodium hydroxide is used to neutralize the free fatty acids in the crude oil. This is a common method called chemical refining or deacidification.
  • What is the 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. Additionally, the extraction method also has a good effect on deacidification. Liu (2005) obtained rice bran oil with an acid value reduced from 31.02 to 4.52 mg/g at the ratio of oil to solvent (95% ethanol) of 1:1.8.
  • What was the average reduction in sunflower seed oil samples during refining process?
  • Total average reduction for sun?ower seed oil samples during re?n- ing process was 32.9%. The level was about 13.8 mg/100 g in crude sun?ower oil and about 9.2 mg/100 g in re?ned sun- ?ower oil. 2.2 Degumming
  • 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.