食品科学 ›› 2005, Vol. 26 ›› Issue (6): 149-151.

• 工艺技术 • 上一篇    下一篇

超临界CO2萃取玉米皮纤维脂类物质的研究

 张艳荣, 马福敏, 王大为   

  1. 吉林农业大学食品工程学院
  • 出版日期:2005-06-15 发布日期:2011-09-19

Study on De-lipid of Corn Fiber by Supercritical CO2 Extraction

 ZHANG  Yan-Rong, MA  Fu-Min, WANG  Da-Wei   

  1. College of Food Engineering, Jilin Agricultural University
  • Online:2005-06-15 Published:2011-09-19

摘要: 采用超临界CO2流体萃取技术脱除玉米皮纤维中脂类物质。通过正交试验方法确定超临界CO2流体萃取的最佳工艺条件为:萃取压力30MPa、萃取温度45℃、萃取时间60min、CO2流量23L/h,脂类物质提取率为5.06%。萃取脂类物质后所得玉米皮纤维颜色乳白,风味纯正,脂肪含量低于0.3%,可作为低热量高膳食纤维食品的添加剂。

关键词: 玉米纤维, 超临界CO2流体萃取, 脱脂

Abstract: In this paper, the effects of pressure, temperature, CO 2 flow and extraction time were studied by supercrifical CO 2 extraction for de-lipid of corn fiber. The optimum conditions were determined through orthogonal test: the pressure was 30MPa, temperature 45℃, time 60min and CO2 flow rate 23L/h. The rate of de-lipid was 5.06%. The color of product was milk white, the flavor was pure and the content of lipid was below 0.3%. It could be food as additive for low calorie and high dietary fiber food.

Key words: corn fiber, supercritical CO2 fluid extraction, degrease