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首页> 外文期刊>International Journal of Biological Macromolecules: Structure, Function and Interactions >A synergistic combination of shrimp shell derived chitosan polysaccharide with Citrus sinensis peel extract for the development of colourful and bioactive cellulosic textile
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A synergistic combination of shrimp shell derived chitosan polysaccharide with Citrus sinensis peel extract for the development of colourful and bioactive cellulosic textile

机译：虾壳衍生的壳聚糖多糖与柑橘类剥皮提取物的协同组合，用于开发色彩和生物活性纤维素纺织品

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摘要

Green finishing formulations have established an important place in textile dyeing and finishing industry. The use of plant extracts along with chemical metallic mordants is reported to increase colour values and improve fastness properties. However, metal salts as mordants constantly pose environmental and human health risks. The purpose of this work is to examine and extend the knowledge of natural dyeing technology considering the use of biological macromolecule chitosan (CS) to increase dye uptake, fastness and impart functional proper-ties. The cotton was pre-coated with chitosan using pad-dry method and optimal chitosan concentrations were selected by evaluating the colour spectrometry data in term of CIEL*a*b* values. The chemical nature of the ex-tract was characterized by UV & ndash;Vis, Fourier-transform infrared spectroscopy (FT-IR) and Thermogravimetric anal-ysis (TGA) whereas dyed samples were analysed by Scanning electron microscopy (SEM), Energy dispersive X-ray (EDX) with mapping analysis, FT-IR, and TGA. Results showed that the aqueous extract of Citrus sinensis peel yielded interestingly shades all lying in yellow-red quadrant of CIELa*b* colour space with acceptable grades of wash and dry-wet fastness properties. This study reveals important information to understand synergism be-tween two natural products in imparting semi durable antioxidant and antibacterial activity against E. coli and S. aureus, and thus offers full potential to be used in natural dyeing technology. (C) 2020 Elsevier B.V. All rights reserved.
机译：绿色整理配方在纺织染色和整理工业中建立了重要的位置。据报道，使用植物提取物以及化学金属媒饰剂以增加颜色值并改善牢度性能。然而，金属盐作为媒体不断构成环境和人类健康风险。考虑到使用生物大分子壳聚糖（CS）来审查和扩展天然染色技术的知识，以增加染料摄取，牢度，赋予功能适当的染料，延长天然染色技术。使用焊盘干法预涂覆丁香，通过评估CIEL * A * B *值的冠谱数据来选择最佳的壳聚糖浓度。通过UV＆Ndash的特征在于uv＆ndash;通过扫描电子显微镜（SEM），能量分散来分析傅里叶变换红外光谱（FT-IR）和热重析分析（TGA）。具有映射分析，FT-IR和TGA的X射线（EDX）。结果表明，柑橘类果皮果皮水提取物产生了有趣的阴影，均呈现在CIELA * B的黄色象限中，具有可接受的洗涤和干湿牢度特性等级。本研究揭示了了解协同作用的重要信息，以赋予Semi耐用的抗氧化剂和抗菌活性，对抗大肠杆菌和金黄色葡萄球菌，因此提供了在天然染色技术中使用的全部潜力。 （c）2020 Elsevier B.v.保留所有权利。

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