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超声法制备苘麻籽油微胶囊的工艺优化 被引量:11

Ultrasonic-assisted Extraction and Micro-encapsulation of Essential Oil from Semen Abutili
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摘要 以β-环糊精为壁材,采用单因素试验和Box-Behnken试验对超声法制备苘麻籽油微胶囊的工艺进行优化。结果表明:最佳工艺条件为超声功率75W、包埋温度62.3℃、包埋时间88min,在此条件下实际包埋率为81.35%,与模型预测值之间具有较好的拟合性;在3个因素中,包埋温度和包埋时间对包埋率的影响极显著,超声功率影响显著。该方法简单可行,是一种制备苘麻籽油微胶囊的较好方法。 The essential oil of Semen Abutili was extracted by petroleum ether under ultrasonic assistance and microencapsulated using β-cyclodextrin(β-CD) as the wall material.Based on one-factor-at-a-time experiments,Box-Behnken experimental design combined with response surface analysis was applied to optimize process conditions for the extraction and microencapsulation of the oil.The optimal process conditions were determined as follows: 75 W ultrasonic power,62.3℃ encapsulation temperature and 88 min encapsulation time.Under the optimal conditions,the observed value of encapsulation rate was 81.35%,which was in good agreement with the predicted value.Encapsulation rate was highly significantly affected by encapsulation temperature(P0.01) and time(P0.01).Ultrasonic power presented a significant effect(P0.05).
作者 李超 肖佰惠
出处 《食品科学》 EI CAS CSCD 北大核心 2011年第18期39-43,共5页 Food Science
关键词 苘麻籽油 微胶囊 Β-环糊精 Semen Abutili oil microencapsulation β-cyclodextrin(β-CD)
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