Bulking rice bran played a good quenching effect of making rice bran into a loose organizational structure has changed countless micropores, and because of instantaneous high temperature extrusion, the enzymatic oxidation of heating passivation lipoxygenase, rice bran has a good role in preservation . Bulking rice bran conducive material itself crisper leaching to increase production, but also makes bulking rice bran meal leaching stem color, flavor has also changed significantly.
Bulking rice bran without preservative treatment, acid value in the storage period increased by an average 2-3mgKOH / g oil per day. Storage month acid value increased to 100mgKOH / g oil, rice bran oil can not be refined, can only be used for making fatty acids, or the production of soap.
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