Spray-drying microencapsulation of fixed oils: An innovative and sustainable technology to enhance oxidative stability, functionality and application in food systems

Kutloano Mangope , Tafadzwa Kaseke , Olaniyi A. Fawole
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Abstract

Fixed oils are economically valuable due to their diverse applications in foods and other industrial processes. However, their potential is limited by instability under harsh conditions, such as oxidative stress and high temperatures, largely due to their high polyunsaturated fatty acid (PUFA) content, restricting their direct use in food products. Innovation on the preservation of PUFA for improved stability and application in the food industry has focussed on a number of technologies that includes microencapsulation. Microencapsulation is an effective, sustainable technique that protects PUFA and bioactive phytochemicals, such as tocopherols, polyphenols, and carotenoids, from degradation during storage, while also controlling their release and extending stability and shelf life. This review critically examines recent literature on the microencapsulation of fixed oils, emphasizing wall materials, the spray-drying microencapsulation technique, its optimization, and impact on microencapsulation efficiency, technofunctional properties, biological activities, bioaccessibility, and oxidative stability. Furthermore, the application potential of spray-dried fixed oils capsules or powder particles in food systems is discussed, along with future research directions in the spray-drying microencapsulation of fixed oils.
喷雾干燥微胶囊固定油:一种创新和可持续的技术,以提高氧化稳定性,功能和应用在食品系统
由于其在食品和其他工业过程中的多种应用,固定油具有经济价值。然而,由于在氧化应激和高温等恶劣条件下的不稳定性,它们的潜力受到限制,这主要是由于它们的高多不饱和脂肪酸(PUFA)含量,限制了它们在食品中的直接使用。为了提高PUFA的稳定性和在食品工业中的应用,保存PUFA的创新集中在包括微胶囊在内的许多技术上。微胶囊化是一种有效的、可持续的技术,可以保护PUFA和生物活性植物化学物质,如生育酚、多酚和类胡萝卜素,在储存过程中不被降解,同时还可以控制它们的释放,延长它们的稳定性和保质期。本文综述了最近关于固定油微胶囊化的文献,重点介绍了壁材、喷雾干燥微胶囊化技术、微胶囊化优化及其对微胶囊化效率、技术功能特性、生物活性、生物可及性和氧化稳定性的影响。最后讨论了喷雾干燥固定油胶囊或粉末颗粒在食品系统中的应用潜力,以及喷雾干燥固定油微胶囊化的未来研究方向。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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CiteScore
4.50
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