Encapsulation of Soursop (Annona muricata Linn.) Leaf Tea Extract Using Natural Mucilage

Reaktor Pub Date : 2019-05-10 DOI:10.14710/REAKTOR.19.1.26-33

M. Cornelia, K. Natania, Herry Cahyana, Edison Sutiyono

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引用次数: 2

Abstract

The bioactively rich soursop leaf extract can be encapsulated inside several natural coating materials. The extract of soursop leaf has been found to contain many bioactive compounds such as various phenolic compounds that are beneficial for anticancer, antidiabetic and many other health benefits. However due to the sensitive nature of the bioactive molecules, encapsulation procedure was applied to prolong the activity of the biomolecules. Capsule materials used in this experiment were obtained from natural extract of Okra mucilage, Aloe vera mucilage and Maltodextrin-WPI mixture to protect the unstable bioactive compounds. Homogenation time using ultrasonication and Core to Coating ratio was differed to observe the optimum encapsulation process. The encapsulation efficiency, release factor ability, size distribution and its correlation with bioactive stability are observed using Total Phenolic methods and Antioxidant Activity before and after encapsulation. Aloe vera gave best encapsulation efficiency (88-91%) while microcapsule made with Okra gave the best antioxidant activity (DPPH IC50 633-710ppm), and maltodextrin-WPI gave best powder recovery (yield 70-73%). Keywords: aloe mucilage, antioxidant activity, encapsulation, okra mucilage, soursop tea extract

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番荔枝的包封用天然粘液提取的茶叶提取物

具有丰富生物活性的番荔枝叶提取物可被包裹在几种天然包衣材料中。人们发现，番荔枝叶提取物含有许多生物活性化合物，如各种酚类化合物，对抗癌、抗糖尿病和许多其他健康有益。然而，由于生物活性分子的敏感性，采用包封方法来延长生物分子的活性。为了保护不稳定的生物活性成分，本实验采用秋葵胶、芦荟胶和麦芽糊精- wpi混合物的天然提取物制备胶囊材料。通过超声均质时间和芯包比的变化，观察最佳包封工艺。采用总酚法观察其包封效率、释放因子能力、粒径分布及其与生物活性稳定性的相关性，以及包封前后的抗氧化活性。芦荟微胶囊的包封效率最高(88 ~ 91%)，秋葵微胶囊的抗氧化活性最高(DPPH IC50为633 ~ 710ppm)，麦芽糖糊精- wpi微胶囊的粉末回收率最高(产率为70 ~ 73%)。关键词:芦荟胶，抗氧化活性，包封，秋葵胶，酸橙茶提取物

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Reaktor

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2 weeks