海带类胡萝卜素微胶囊的制备工艺研究

Study on preparation of carotenoids microcapsules from kelp

为增强海带类胡萝卜素的稳定性,本文采用微胶囊技术对海带类胡萝卜素进行包埋,以产品包埋率和产率为指标,通过单因素实验和正交实验优化微胶囊包埋技术的最佳工艺条件。并对海带类胡萝卜素微胶囊产品的稳定性进行了考察。结果表明,海带类胡萝卜素微胶囊制备的最佳工艺条件为:明胶∶β-环糊精∶蔗糖(2∶1∶2)为壁材,芯壁材比例为1∶5,乳化剂吐温-80∶司盘-80(3∶1)添加量为0.3%,均质压力35MPa,均质1次。在此条件下得到的微胶囊产品包埋率可达92.16%,产率为89.95%。在此工艺条件下制备的微胶囊产品稳定性高,对芯材具有良好的保护作用。

To enhance the stability of carotenoids from kelp, microencapsulation technology was used for embedding carotenoids of kelp,the embedding rate and the yield of the products as the indexes.The optimum technological conditions were determined by single factor and orthogonal test. The results were shown as following-gelatin：β-cyclodextrin＇sucrose（2： 1 ：2） as wall material, the core and wall material ratio of 1 ：5, emulsifier Tween-80：Span-80 （ 3：1 ） dosage of 0.3%, homogenization pressure 35MPa, homogenization for one time. Under these conditions,the microcapsules embedding rate was as high as 92,16% and the yield was 89.95%,1n addition, the microcapsules not only has a better stability, but also has a good protective effect on the core material.