超声波协同离子交联优化薄荷精油胶囊湿丸处理工艺

Optimization on processing technology of peppermint essential oil wet-capsule by ultrasonic-assisted ionic crosslinking

目的:研究超声波协同离子交联法对薄荷精油胶囊圆度的影响。方法:以薄荷精油胶囊湿丸为原料,通过响应面优化获得最佳工艺参数,并对其产品质量进行分析检测。结果:离子交联法处理湿丸的最优工艺条件为钙离子质量分数0.4%、处理时间20 min、液料比1.3:1.0(mL/g),该条件下湿丸壁材的强度为11.5N,胶囊产品的圆度为0.033 mm。超声波辅助法的最优工艺条件为超声时间10min、超声功率105W、超声温度25℃,该条件下湿丸壁材的强度为14.7 N,胶囊产品的圆度为0.028mm。结论:超声波协同离子交联法处理胶囊湿丸技术具有工艺简单、高效快速等优点,与传统离子交联法相比,薄荷精油胶囊湿丸壁材强度提高27.8%,成品胶囊的圆度均值由0.075 mm降低至0.028 mm,成品率由83.7%提高到98.3%,进一步提升了胶囊的产品质量。

Objective:The effect of ultrasonic-assisted ionic crosslinking method on the peppermint capsule roundness was studied.Methods:The optimal treatment process was obtained through response surface optimization method,and the quality indicators of peppermint capsule was analyzed.Results:The results showed that,the optimum conditions of ionic crosslinking method were calcium ion mass fraction of 0.4%,soaking time of20 min,solid/liquid ratio of 1.3:1.0(mL/g).Under the conditions,the strength of wet-capsule was 11.5 N,and the roundness of capsule was 0.033 mm.The optimum conditions of ultrasonicassisted ionic crosslinking method were:ultrasonic time of10 min,ultrasonic power of 105 W,ultrasonic temperature of25℃.Under the conditions,the strength of wet-capsule was14.7 N,and the roundness of capsule was 0.028 mm.Conclusion:Compared with the traditional ionic crosslinking method,the strength of the wet-capsule was increased by 27.8%,the roundness of the capsule product was decreased from 0.075 mm to0.028 mm,and the product yield was increased from 83.7%to98.3%,which showed that the quality of the peppermint capsule was obviously improved.The ultrasonic-assisted ionic crosslinking has the advantages of simple process and high efficiency,which could provide a reference for the development of capsule preparation technology.