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Encapsulation of Hibiscus sabdariffa Extract into Zein Nanoparticles
Chemical Engineering & Technology ( IF 1.8 ) Pub Date : 2020-07-30 , DOI: 10.1002/ceat.202000194 Caroline Maria Calliari 1 , Roberta Campardelli 2 , Margherita Pettinato 2 , Patrizia Perego 2
Chemical Engineering & Technology ( IF 1.8 ) Pub Date : 2020-07-30 , DOI: 10.1002/ceat.202000194 Caroline Maria Calliari 1 , Roberta Campardelli 2 , Margherita Pettinato 2 , Patrizia Perego 2
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A combined approach for the extraction of antioxidants from Hibiscus sabdariffa and entrapment of the extract in zein nanoparticles is proposed. Different green extraction techniques were adopted: high‐pressure and ‐temperature extraction, ultrasound‐assisted extraction, and microwave‐assisted extraction, using an ethanol/water mixture as extracting solvent. The extracts were used for the preparation of zein nanoparticles by liquid antisolvent precipitation. The impacts of process variables were investigated using response surface modeling, demonstrating that the proposed strategy allows high extract encapsulation efficiency, good particle size control, and high particle stability.
中文翻译：
芙蓉提取物到玉米蛋白纳米粒中的包封
提出了一种从芙蓉中提取抗氧化剂并将提取物截留在玉米醇溶蛋白纳米粒子中的组合方法。采用了不同的绿色提取技术：使用乙醇/水混合物作为提取溶剂，进行高温高压提取，超声辅助提取和微波辅助提取。提取物用于通过液体抗溶剂沉淀制备玉米醇溶蛋白纳米颗粒。使用响应表面模型研究了工艺变量的影响，表明所提出的策略可以实现较高的提取物包封效率，良好的粒径控制和较高的颗粒稳定性。
更新日期：2020-09-21
中文翻译：
芙蓉提取物到玉米蛋白纳米粒中的包封
提出了一种从芙蓉中提取抗氧化剂并将提取物截留在玉米醇溶蛋白纳米粒子中的组合方法。采用了不同的绿色提取技术：使用乙醇/水混合物作为提取溶剂，进行高温高压提取，超声辅助提取和微波辅助提取。提取物用于通过液体抗溶剂沉淀制备玉米醇溶蛋白纳米颗粒。使用响应表面模型研究了工艺变量的影响，表明所提出的策略可以实现较高的提取物包封效率，良好的粒径控制和较高的颗粒稳定性。
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