Sustained-release effect of eggshell powder microcapsules on lavender essential oil

文献类型： 外文期刊

第一作者： Zhang, Ziwei

作者： Zhang, Ziwei;Gao, Ying;Huo, Jiaying;Li, Shugang;Liu, Yanlong;Dong, Shijian;Liu, Liya;Liu, Yanlong

作者机构：

关键词： Eggshell powder; Microcapsules; Lavender essential oil; Sustained-release characteristics; Antioxidant stability

期刊名称：JOURNAL OF FOOD ENGINEERING （ 影响因子：5.8； 五年影响因子：5.9 ）

ISSN： 0260-8774

年卷期： 2025 年 387 卷

页码：

收录情况： SCI

摘要： Eggshells are rich in Ca2+ and organic compounds, which can be taken as coupling agents for sustained-release materials. Essential oils are widely applied due to their excellent volatility, but poor sustained-release stability has limited their development. The study aimed to develop a novel eggshell powder (EP) sustained-release microcapsule, providing a new approach to protect the active ingredients of Lavender essential oil (LEO), and investigated the reasons for EP to regulate protein-polysaccharide microcapsule structure. Experimental results showed when the addition ratio of EP and Whey protein (WPI) was 1: 3, the dosage of LEO was 25%, the microcapsule displayed smooth and porous spherical structure. XRD and FT-IR indicated that a dense and orderly network structure was formed via the cross-linking reaction between eggshell powder and wall materials, which induced protein and polysaccharide to form special spherical hollow sustained-release shell structure through the calcium bridge (-COO-Ca-COO-), then achieved the sustained-release effect on LEO.

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