Enzymatic pretreatment of rice bran acid oil before ?-oryzanol recovery
Asdarina Yahya
Abstract:This study aims to apply enzymatic reactions for pretreating the major byproduct of rice bran oil (RBO) industry, rice bran acid oil (RBAO) before ?-oryzanol recovery. RBAO contains free fatty acids (FFAs), glycerides, and is rich in the super-antioxidant, ?-oryzanol. As a primary step to recover ?-oryzanol from RBAO, glycerides must be removed because of having similar polarity with ?-oryzanol. This study is conducted in two parts, hydrolysis and esterification/transesterification. In the first part, enzymati… Show more
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