Title: Optimization of Microencapsulation of Cumin Essential Oil by Response Surface Methodology
Abstract: Microcapsules of cumin essential oil were prepared by using β-cyclodextrin and maltodextrin as wall materials through suction filtration and subsequent drying. Ratio between the two wall material components, solid concentration, core mater ial/wall material ratio, and embedding time were optimized by response surface methodology. A Box-Behnken experimental design with the four independent variables at three levels each was established to obtain the maximum response variable(microencapsulation efficiency). The response surface analysis showed that optimal microencapsulation conditions of the essential oil were determined as follows: mass ratio between β-cyclodextrin and maltodextrin, 8:2(g/g); solid concentration, 40 g/100 mL; core material/wall material ratio, 1:5(mL/g); and embedding time, 55 min, resulting in a microencapsulation efficiency of 97.68%.
Publication Year: 2014
Publication Date: 2014-01-01
Language: en
Type: article
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