Abstract
Rice bran waste, a massive byproduct from rice milling, is rich in proteins, lipids, vitamins, and trace minerals. However, rice bran is an underutilized sustainable resource that is ultimately discarded as agricultural waste. Herein, rice bran albumin (RBA) was extracted from rice bran waste using water, and its properties of amino acid compositions, molecule weight, secondary structure, denaturation temperature, and ζ-potential were characterized. The results indicated that RBA possessed negative charges and amphiphilic molecules with high value and good digestibility. RBA was then proposed to prepare nanoparticles with chitosan (CS) (RBA–CS nanoparticles) by a self-assembly method. The RBA–CS nanoparticles exhibited spherical shape with core (RBA)–shell (CS) structures, and the average size was about 384 nm. The solubility of curcumin (CUR) was greatly improved after loading into the RBA–CS nanoparticles, and higher entrapment efficiency (EE, 93.56%) was obtained. CUR released from the RBA–CS nanoparti...
Published Version
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