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首页> 外文期刊>International Journal of Biological Macromolecules: Structure, Function and Interactions >Characterization of chitosan based polyelectrolyte films incorporated with OSA-modified gum arabic-stabilized cinnamon essential oil emulsions
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Characterization of chitosan based polyelectrolyte films incorporated with OSA-modified gum arabic-stabilized cinnamon essential oil emulsions

机译：基于壳聚糖基聚电解质膜的表征掺入OSA改性的胶阿拉伯稳定的肉桂精油乳液

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摘要

Octenyl succinic anhydride (OSA) modified gum arabic (GA) was synthesized and used as an emulsifier to stabilize cinnamon essential oil (CEO) emulsions. The structure and properties of chitosan based polyelectrolyte films incorporated with above OSA-GA stabilized CEO emulsions were investigated. Results showed that OSA modification introduced the hydrophobic groups, which greatly influenced the emulsification capability of GA. The antimicrobial activities of CEO emulsions were significantly enhanced by the synergistic effect of GA modification and ultrasonic treatment. When the proportions of CEO emulsion increased, the improved water barrier properties but deteriorated tensile properties of films were observed. The retention of CEO during storage was prolonged to 20 days and the release of CEO in food simulant was effectively inhibited as emulsion ratios increased to 20%, indicating the effectiveness of the system for CEO delivery. As a result, the antimicrobial activities of films significantly enhanced with the innovative incorporation of OSA-GA stabilized CEO emulsions. (C) 2020 Elsevier B.V. All rights reserved.
机译：合成辛烯基琥珀酸酐（OSA）改性的胶（GA）并用作乳化剂以稳定肉桂精油（CEO）乳液。研究了含有高于OSA-GA稳定的CeO乳液的壳聚糖基聚电解质膜的结构和性质。结果表明，OSA改性引入了疏水基团，这极大地影响了GA的乳化能力。通过GA改性和超声处理的协同效应显着提高了CEO乳液的抗菌活性。当CEO乳液的比例增加时，观察到改善的水屏障性，但薄膜的拉伸性能劣化。在储存期间的CEO保留延长至20天，并且在乳液比率增加到20％的乳液比率增加到20％的食物模拟中，CEO释放有效抑制，表明系统交付系统的有效性。因此，随着OSA-GA稳定的CEO乳液的创新融合，薄膜的抗微生物活性显着增强。 （c）2020 Elsevier B.v.保留所有权利。

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