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Chitosan microspheres containing the natural urucum pigment

机译:含有天然紫胶色素的壳聚糖微球

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摘要

An increasing trend in the food and pharmaceutical industries is toward replacing synthetic additives with natural products.However,in this regard,difficulties may be encountered due to the instability of such compounds.Encapsulation has become an important process to protect natural pigments.This paper reports on the encapsulation of the natural urucum pigment with chitosan using different techniques and its release under different pH conditions.The material loaded with pigment was evaluated by infrared spectroscopy,scanning electron microscopy and thermal analysis.Chitosan was found to be an effective encapsulating agent for urucum pigment.No investigations have previously been reported on the relation of chitosan to the stability of encapsulated natural pigments.
机译:食品和制药行业的一种日益增长的趋势是用天然产物代替合成添加剂。但是,在这方面,由于这类化合物的不稳定性可能会遇到困难。封装已成为保护天然色素的重要过程。壳聚糖对天然紫胶颜料的包封工艺以及在不同pH条件下的释放效果。通过红外光谱,扫描电镜和热分析法评价了负载有色素的材料。壳聚糖是一种有效的紫胶包囊剂。壳聚糖与包封的天然颜料的稳定性之间的关系以前没有任何研究报道。

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