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首页> 外文期刊>Journal of Microencapsulation: Microcapsules Liposomes Nanoparticles Microcells Microspheres >Oil encapsulation in core-shell alginate capsules by inverse gelation. I: dripping methodology
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Oil encapsulation in core-shell alginate capsules by inverse gelation. I: dripping methodology

机译：通过反向凝胶化核壳藻酸盐胶囊的油包封。 我：滴水方法

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The production of capsules by inverse gelation consists of adding dropwise oil containing calcium dispersion into an alginate bath. A dripping technique to produce capsules from oil-in-water (O/W) emulsions was proposed by Abang. However, little is known about the oil encapsulation using water-in-oil (W/O) emulsions. This work aims to develop a new method of W/O emulsions encapsulation by inverse gelation. The success of the W/O emulsion encapsulation is due to three factors: 1) use of an emulsion with moderate stability (50min); 2) production of an emulsion with at least 90g/L of CaCl2 and 3) addition of ethanol (20% v/v) into the alginate bath. Both wet and dry capsules were obtained with a spherical shape with diameters of 7 and 3.6mm, respectively. All volume of oil was encapsulated and the oil loading in the wet and dry capsules was of 23 and 68% v/v, respectively.
机译：通过逆凝胶法制备胶囊包括向海藻酸盐浴中添加含有钙分散液的滴状油。阿邦提出了一种利用水包油（O/W）乳液生产胶囊的滴注技术。然而，关于使用油包水（W/O）乳液的油封装知之甚少。本工作旨在开发一种新的W/O乳液逆凝胶封装方法。W/O乳液包封的成功取决于三个因素：1）使用中等稳定性的乳液（50分钟）；2） 用至少90g/L的CaCl2和3）向海藻酸盐浴中添加乙醇（20%v/v）制备乳液。湿胶囊和干胶囊均为球形，直径分别为7和3.6mm。所有体积的油都被封装，湿胶囊和干胶囊中的油含量分别为23%和68%v/v。

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