用不同组合的阿拉伯和马尔托德克斯来封装的针叶提取物的物理化学特征,储存稳定性行为和肠道生物可访问性
Farhad Ahmadi1, Hafiz A R Suleria1, Frank R Dunshea1,2
1School of Agriculture, Food and Ecosystem Sciences, Faculty of Science, The University of Melbourne, Parkville, VIC 3010, Australia.
使用冷干燥将针叶提取物与阿拉伯糖和马尔托德克斯特林封装起来,提高了其稳定性和抗氧化活性. 这一过程还提高了的肠道生物可访问性,使其适合功能性食品.
科学领域:
- 食品科学与技术 食品科学与技术
- 营养科学 营养科学
- 生物化学 生物化学
背景情况:
- 丁香 (Syzygium aromaticum) 富含多和抗氧化剂,但由于味道,溶解度和稳定性而面临着工业限制.
- 封装提供了一种方法来克服这些局限性,并增强生物活性化合物的输送.
研究的目的:
- 通过冷干燥,使用阿拉伯糖 (GA) 和马尔托德 (MD) 封装针叶提取物.
- 为了评估封装的子提取物中的物理化学性质,储存稳定性和体外肠道生物可访问性.
主要方法:
- 用不同的GA:MD比率冷干燥封装的子提取物.
- 评估水活动,可溶性,回收,封装效率,高度,泽塔潜力和多分散性指数.
- 在室温和高温下进行储存稳定性测试.
- 在体外胃肠道消化以确定的生物可访问性.
主要成果:
- 封装物表现出较低的水活性 (<0.3),高水溶性 (>90%),以及高封装效率 (91.4-94.9%).
- 封装在储存期间保护了花的和抗氧化活性 (40天室温,7天60°C).
- 在体内,的肠道生物可访问性在封装中明显改善,相比于非封装的子提取物.
结论:
- 冷干燥封装有效地保护了子提取物中的生物活性成分,并提高了的生物可访问性.
- 开发的封装剂显示出在功能性食品开发中的应用潜力.
- GA和MD是适当的涂料剂,可以提高富含多的提取物的稳定性和生物可用性.
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