rice bran oil refined machine in zimbabwe

                                               
                                               
                                               
                                               
                                               
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  • Is rice bran a good cooking oil?
  • RBO is considered as perfect and high-class cooking oil because of its low level of linolenic acid and its potential to lower serum cholesterol level. After milling, oil is very prone to degrade into FFA and glycerol by lipase activity, making it unfit for consumption. It is advised to stabilize rice bran or RBO immediately upon production.
  • What is rice bran?
  • Rice bran is obtained from outer layer of the brown (husked) rice kernel during milling. It has emerged as potential by-product from rice processing industry due to the increasing demand for rice bran oil (RBO) as healthy functional food ingredients.
  • How to stabilize rice bran?
  • The results indicated that microwave, extrusion, steaming, -80 °C, ultraviolet irradiation, infrared heating have potential to stabilize rice bran. Extrusion and microwave processes are suitable for large-scale with short-time industrial processing although with increase of oil peroxide values and colour.
  • How to stabilize rice bran fractions in microwave?
  • Lavanya et al. (2019) stabilized rice bran fractions by microwave heating continuously at 850, 925 and 1 000 W and 3.0, 4.5 and 6.0 min. They concluded that microwave heating at 925 W for 3.0 min is the suitable condition for RBO extraction and stabilization.
  • What is cold pressing rice bran?
  • Cold pressing uses mechanical screw press with mild heating followed by filtration to get clean RBO. Pre-treatment of rice bran with low temperature before cold pressing can produce RBO with superior quality (Srikaeo and Pradit, 2011). A combination of short cooking time and cold pressing is more effective and efficient.
  • How do rice bran components act as anticancer agents?
  • Rice bran components act as anticancer agents by inhibiting the cell cycle between G0/G1 or G2/M and by promoting the apoptosis of the cancerous cells (Henderson et al., 2012).