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籼米多孔淀粉制备及微藻油DHA微胶囊化的研究

张忠 胡居吾 熊华 杜研学 白春清 蒋研 李婕

食品工业科技Issue(1):211-213,216,4.
食品工业科技Issue(1):211-213,216,4.

籼米多孔淀粉制备及微藻油DHA微胶囊化的研究

Study on porous starch preparation and adsorption micro-algae oil DHA microcapsules

张忠 1胡居吾 1熊华 1杜研学 1白春清 1蒋研 1李婕1

作者信息

  • 1. 南昌大学食品科学与技术国家重点实验室,江西南昌330047
  • 折叠

摘要

Abstract

In order to optimize preparation conditions of rice porous starch,the effect of hydrolysis temperature,pH,reaction time,enzyme ratio of glucoamylase and α-amylase were investigated by setting micro-algae oil DHA adsorption ratio as an index.Results indicated that the optimum conditions were enzyme ratio 8:1,pH4.5,temperature 45℃,hydrolyzed 12 hours.Using the porous starch absorbed micro-algal oil as core materials,the spray-dried microcapsules had an encapsulation efficiency of 92.08%,a moisture content of 3.78%,and the two values were both according with basic requirements of milk powder.

关键词

多孔淀粉/DHA/微胶囊/包埋率

Key words

porous starch/docosahexaenoic acid(DHA)/microcapsules/encapsulation efficiency

分类

轻工纺织

引用本文复制引用

张忠,胡居吾,熊华,杜研学,白春清,蒋研,李婕..籼米多孔淀粉制备及微藻油DHA微胶囊化的研究[J].食品工业科技,2012,(1):211-213,216,4.

基金项目

国家“863”计划项目 ()

江西省研究生创新专项资金 ()

食品工业科技

OA北大核心CSCDCSTPCD

1002-0306

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