You Here! The rice bran oil rotocel extractor is a widely used continuous Rice Bran Oil Solvent Extraction Machine and suitable for extraction of various vegetable oils. Its main features are high material layer, high concentration of mixed oil, simple structure and convenient operation and maintenance.
How is RBO extracted from rice bran?
The Japanese were the first to extract RBO from rice bran using the hydraulic press technique, which is still used nowa-days, but recently, the preferred industrial technique for com-mercial uses is extraction using non-polar solvents, such as hexane .
Which solvent is used in rice bran oil extraction?
The solvents applied in the extraction processes are generally organic compounds derived from non-renewable sources . Hexane is the most common solvent used in rice bran oil extraction . This solvent is cheap and efficient, but it is a petroleum-based solvent, volatile, flammable, and dangerous for humans and for the environment .
How much oil can be extracted from rice bran?
Their results show that it is possible to obtain a maximum oil yield of 20.05 g/100 g rice bran in a three-hour extraction in ethanol with 6% of water at 82.5 °C, with a 4:1 w/w solvent-to-bran ratio and a stirring speed of 137.5 rpm. The – oryzanol content varies between 1527 and 4164 mg/kg of fresh rice bran.