Preparation and Slow-release Characteristics of Coix Seed Flavonoids Microcapsules
In order to develop a new process for preparing coix seed flavonoid microcapsules and obtain stable natural flavonoid products,molecular embedding of coix seed flavonoids with β-cyclodextrin was carried out.On the basis of single factor experiments,the optimal preparation parameters of coix seed flavonoids microcapsules were obtained through response surface methodology.The results showed that the optimal preparation conditions for coix seed flavonoid microcapsules were as follows:core to wall mass ratio 1∶2.4,stirring time of 41 minutes,wall material concentration of 10.0％(w/V),and the embedding rate was 53.8％under these conditions.This microcapsule is relatively stable and has good release characteristics in simulated gastric juice.
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