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首页> 外文期刊>Journal of Microencapsulation: Microcapsules Liposomes Nanoparticles Microcells Microspheres >Effects of process variables on the encapsulation of oil in ca-alginate capsules using an inverse gelation technique
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Effects of process variables on the encapsulation of oil in ca-alginate capsules using an inverse gelation technique

机译：使用逆胶凝技术工艺变量对油在海藻酸钠胶囊中的包封的影响

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摘要

The objective of this study was to investigate the effects of process variables on the encapsulation of oil in a calcium alginate membrane using an inverse gelation technique. A dispersion of calcium chloride solution in sunflower oil (water-in-oil emulsion) was added dropwise to the alginate solution. The migration of calcium ions to the alginate solution initiates the formation of a ca-alginate membrane around the emulsion droplets. The membrane thickness of wet capsules and the elastic modulus of dry capsules increased following first-order kinetics with an increasing curing time. An increase in the calcium chloride concentration increased the membrane thickness of wet capsules and the elastic modulus of dry capsules. An increase in the alginate concentration decreased the mean diameter of wet capsules but increased the elastic modulus of dry capsules.
机译：这项研究的目的是利用逆胶凝技术研究工艺变量对藻酸钙膜中油包封的影响。将氯化钙溶液在向日葵油中的分散体（油包水乳液）滴加到藻酸盐溶液中。钙离子向藻酸盐溶液的迁移开始在乳剂液滴周围形成钙藻酸盐膜。湿胶囊的膜厚度和干胶囊的弹性模量遵循一级动力学，随着固化时间的增加而增加。氯化钙浓度的增加增加了湿胶囊的膜厚度和干胶囊的弹性模量。藻酸盐浓度的增加降低了湿胶囊的平均直径，但增加了干胶囊的弹性模量。

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