Commercial rice bran is usually a mixture of these two rice by-products . This fraction possesses an extraordinary quantity of nutritive compounds, such as fibers, fats, proteins, vitamins (vitamin E and B complexes), and antioxidant mol-ecules. It contains 10 ¨C23% of oil, which is usually extracted using a solvent .
What is rice bran oil?
Bran, one of the external cereal layers, contains proteins, dietary fibers, minerals, and lipids. One of the most common rice bran utilization is the extraction of rice bran oil (RBO). Among all vegetable oils, RBO presents a unique chemical composition rich in antioxidant compounds such as ¦Ã-oryzanol that provide several beneficial properties.
What is rice bran oil (RBO)?
One of the most common rice bran utilization is the extraction of rice bran oil (RBO). Among all vegetable oils, RBO presents a unique chemical composition rich in antioxidant compounds such as ¦Ã-oryzanol that provide several beneficial properties. RBO is generally extracted by exploiting hexane, a solvent toxic to the environment and human health.
How is rice bran oil made in China?
Two refining processes, steam refining and miscella refining, are now the primary industrial techniques used for producing edible RBO in China. Steam refining usually produces refined RBO with a dark color, which is designated as grade-three or grade-four RBO according to the National Standard of China (GB19112 Rice Bran Oil) [ 4 ].