食品科学 ›› 2010, Vol. 31 ›› Issue (18): 5-9.doi: 10.7506/spkx1002-6630-201018002

• 工艺技术 • 上一篇    下一篇

微藻油微胶囊配方优化及其稳定性研究

白春清,韩 丹,熊 华* ,刘玉珍,赵丽萍,史苏华,邓 波,蒋 岩   

  1. 南昌大学 食品科学与技术国家重点实验室
  • 收稿日期:2010-06-19 修回日期:2010-07-26 出版日期:2010-09-25 发布日期:2010-12-29
  • 通讯作者: 熊 华* E-mail:huaxiong100@yahoo.com.cn
  • 基金资助:

    国家“863”计划专题项目(2008AA10Z332);“十一五”国家科技支撑计划项目(2006BAD27B04)

Optimization and Stability of Micro-algal Oil Microcapsules

BAI Chun-qing,HAN Dan,XIONG Hua*,LIU Yu-zhen,ZHAO Li-ping,SHI Su-hua,DENG Bo,JIANG Yan   

  1. BAI Chun-qing,HAN Dan,XIONG Hua*,LIU Yu-zhen,ZHAO Li-ping,SHI Su-hua,DENG Bo,JIANG Yan
  • Received:2010-06-19 Revised:2010-07-26 Online:2010-09-25 Published:2010-12-29
  • Contact: XIONG Hua*, E-mail:huaxiong100@yahoo.com.cn

摘要:

采用喷雾干燥法制备微藻油微胶囊,为优化微藻油微胶囊配方,以包封率为主要指标,对乳化剂、酪蛋白、环糊精用量及芯材含量进行响应面优化试验。结果表明:最佳配方为乳化剂用量3.98%、酪蛋白用量3.52%、环糊精用量11.1%、芯材含量30%。由此配方制备的微藻油微胶囊包埋率达到93.37%,产品经(60 ± 1)℃加速氧化14d 后,过氧化值仅为对照样品的三分之一;将微藻油微胶囊添加在婴儿配方奶粉中,经常温真空避光保存一年,DHA 保留率为91.06%,证明该微胶囊具有良好的氧化稳定性和贮藏稳定性。

关键词: 微藻油, 二十二碳六烯酸, 微胶囊, 响应面法, 稳定性

Abstract:

In order to optimize the formula of micro-algal microcapsules, the effects of emulsifier, casein, cyclodextrin on microencapsulation efficiency of micro-algal oil were explored using response surface methodology. Results indicated that the optimal formulation for micro-algal oil microcapsules were 3.98% emulsifier, 3.52% casein, 11.1% cyclodextrin and 30% microalgal oil as the core-material, respectively. The microcapsulation efficiency of micro-algal oil reached up to 93.37% at this optimal condition. Compared with the control samples, the peroxide value (POV) of total oil in microcapsules remained one third after accelerated oxidation at (60 ± 1) ℃ for 14 days, which revealed a promising oxidation stability of micro-algal oil in microcapsules. The retention rate of DHA in formula milk powder containing micro-algal oil microcapsules was up to 91.06% after storage for 1 year under the conditions of vacuum packaging, room temperature and lightlessness. Therefore, micro-algal oil microcapsules exhibited an excellent oxidation stability and storage stability.

Key words: micro-algal oil, docosahexaenoic acid (DHA), microcapsule, response surface methodology, stability

中图分类号: