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首页> 外文期刊>Journal of Microencapsulation: Microcapsules Liposomes Nanoparticles Microcells Microspheres >Feasibility and optimization study of using cold-forming extrusion process for agglomerating and microencapsulating ferrous fumarate for salt double fortification with iodine and iron
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Feasibility and optimization study of using cold-forming extrusion process for agglomerating and microencapsulating ferrous fumarate for salt double fortification with iodine and iron

机译：利用冷成型挤压工艺对富马酸亚铁进行团聚和微囊化以实现碘铁双重盐强化的可行性和优化研究

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摘要

A microencapsulation-based technology platform has been developed for salt double fortification with iron and iodine, aiming to address two globally prevalent micronutrient deficiencies simultaneously. Specifically, ferrous fumarate was microencapsulated into a form of salt grain-sized premix, and then added into iodised salt. The earlier process involved fluidised-bed agglomeration followed by lipid coating. To improve physico-chemical properties of the iron premix, the use of cold-forming extrusion for agglomerating and microencapsulating ferrous fumarate was investigated and optimized in this study, leading to optimal formulations and operation parameters. Grain flours were suitable for forming an extrudable dough incorporating high percentages of ferrous fumarate. All extruded iron particles, regardless of binders used, were rich in iron and had excellent iron in vitro digestibility. The extruded iron particles formed the basis of the final, microencapsulated iron premixes with desired particle size (300-700 μm), and other physical, chemical, nutritional, and organoleptic properties suitable for salt fortification.
机译：已开发出一种基于微囊化的技术平台，用于铁和碘盐的双重强化，旨在同时解决两种全球普遍存在的微量营养素缺乏症。具体而言，将富马酸亚铁微囊化成盐粒度预混物的形式，然后添加到碘盐中。较早的过程涉及流化床附聚，然后进行脂质包被。为了改善铁预混料的理化性能，本研究对冷成型挤压剂用于富马酸亚铁的团聚和微囊化进行了研究和优化，从而获得了最佳的配方和操作参数。谷物粉适合于形成含有高百分比的富马酸亚铁的可挤压面团。所有挤出的铁颗粒，无论使用何种粘合剂，都富含铁并且具有出色的铁体外消化率。挤出的铁颗粒构成了最终的微囊化铁预混料的基础，该预混料具有所需的粒径（300-700μm）以及其他适合盐分强化的物理，化学，营养和感官特性。

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