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Preparation of an intelligent film based on chitosan/oxidized chitin nanocrystals incorporating black rice bran anthocyanins for seafood spoilage monitoring.
Carbohydrate Polymers ( IF 10.7 ) Pub Date : 2019-06-19 , DOI: 10.1016/j.carbpol.2019.115006 Chunhua Wu 1 , Jishuai Sun 1 , Pingyun Zheng 1 , Xuan Kang 1 , Meiyu Chen 2 , Yuanzhao Li 1 , Yujun Ge 2 , Yaqin Hu 3 , Jie Pang 1
Carbohydrate Polymers ( IF 10.7 ) Pub Date : 2019-06-19 , DOI: 10.1016/j.carbpol.2019.115006 Chunhua Wu 1 , Jishuai Sun 1 , Pingyun Zheng 1 , Xuan Kang 1 , Meiyu Chen 2 , Yuanzhao Li 1 , Yujun Ge 2 , Yaqin Hu 3 , Jie Pang 1
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A novel intelligent film was developed by immobilizing 1%, 3% and 5% black rice bran anthocyanins (BACNs) into oxidized-chitin nanocrystals (O-ChNCs)/ chitosan (CS) matrix. The ultraviolet-visible spectrum of BACNs solutions showed color variations from red to greyish green in a range of pH 2.0-12.0. Fourier transform infrared spectrum and atomic force microscope of the films showed that O-ChNC and BACNs were well dispersed into the CS matrix. Although the incorporation of BACNs decreased the mechanical and barrier properties of the CS/O-ChNCs/BACNs (COB) films, it endowed the COB films with excellent UV-barrier, antioxidant and pH sensitivity character. The results of the application trial showed that the COB films containing 3% of BACNs (COB-3) were able to monitor the spoiling of fish and shrimp by visible color changes. Therefore, the developed COB-3 films could be used as an intelligent food packaging for monitoring animal-based protein food spoilage.
中文翻译：
基于壳聚糖/氧化几丁质纳米晶体并结合黑米糠花色苷的智能膜的制备，用于海鲜腐败监测。
通过将1％，3％和5％的黑米糠花色苷（BACN）固定在氧化几丁质纳米晶体（O-ChNCs）/壳聚糖（CS）基质中，开发了一种新型智能薄膜。在pH 2.0-12.0范围内，BACNs溶液的紫外-可见光谱显示出从红色到灰绿色的颜色变化。薄膜的傅立叶变换红外光谱和原子力显微镜显示，O-ChNC和BACNs很好地分散在CS基质中。尽管BACN的加入降低了CS / O-ChNCs / BACNs（COB）膜的机械性能和阻隔性能，但仍使COB膜具有出色的紫外线阻隔性，抗氧化剂和pH敏感性特性。应用试验的结果表明，含有3％BACN（COB-3）的COB膜能够通过可见的颜色变化来监测鱼虾的变质。所以，
更新日期：2019-06-19
中文翻译：
基于壳聚糖/氧化几丁质纳米晶体并结合黑米糠花色苷的智能膜的制备，用于海鲜腐败监测。
通过将1％，3％和5％的黑米糠花色苷（BACN）固定在氧化几丁质纳米晶体（O-ChNCs）/壳聚糖（CS）基质中，开发了一种新型智能薄膜。在pH 2.0-12.0范围内，BACNs溶液的紫外-可见光谱显示出从红色到灰绿色的颜色变化。薄膜的傅立叶变换红外光谱和原子力显微镜显示，O-ChNC和BACNs很好地分散在CS基质中。尽管BACN的加入降低了CS / O-ChNCs / BACNs（COB）膜的机械性能和阻隔性能，但仍使COB膜具有出色的紫外线阻隔性，抗氧化剂和pH敏感性特性。应用试验的结果表明，含有3％BACN（COB-3）的COB膜能够通过可见的颜色变化来监测鱼虾的变质。所以，
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