食品科学

• 工艺技术 • 上一篇    下一篇

响应面试验优化玉米淀粉-壳聚糖可食膜的制备工艺

徐明悦1,李洪军1,2,贺稚非1,2,*,甘 奕1,王 珊1,余 力1,王兆明1   

  1. 1.西南大学食品科学学院,重庆 400716;2.重庆市特色食品工程技术研究中心,重庆 400716
  • 出版日期:2015-08-25 发布日期:2015-08-17
  • 通讯作者: 贺稚非
  • 基金资助:

    公益性行业(农业)科研专项(200903012);三峡库区优质肉牛安全生产关键技术集成与示范项目(2011BAD36B01)

Optimization of Preparation Process for Corn Starch-Chitosan Edible Films by Response Surface Methodology

XU Mingyue1, LI Hongjun1,2, HE Zhifei1,2,*, GAN Yi1, WANG Shan1, YU Li1, WANG Zhaoming1     

  1. 1. College of Food Science, Southwest University, Chongqing 400716, China;
    2. Chongqing Special Food Engineering and Technology Research Center, Chongqing 400716, China  
  • Online:2015-08-25 Published:2015-08-17
  • Contact: HE Zhifei

摘要:

通过响应面法优化玉米淀粉、壳聚糖和甘油的质量分数来制备可食膜,以机械性能(伸长率、抗拉强度)和透湿性(water vapor permeability,WVP)为评价指标,得出二次响应预测模型。结果表明:玉米淀粉、壳聚糖和甘油的质量分数分别为3.71%、0.95%和0.64%时,抗拉强度最大;3 种物料质量分数分别为3.82%、0.50%和1.00%时,伸长率最大;3 种物料质量分数分别为3.52%、0.52%和0.50%时,WVP最小。综合考虑,玉米淀粉、壳聚糖和甘油质量分数分别为3.50%、0.50%和0.67%时,可食膜的性能最优。

关键词: 玉米淀粉, 壳聚糖, 响应面, 机械性能, 透湿性

Abstract:

Response surface methodology (RSM) was adopted to optimize the mass fraction of corn starch, chitosan and
glycerol in corn starch-chitosan edible films by measuring mechanical properties (elongation and tensile strength) and water
vapor permeability (WVP). A quadratic response surface model was established. The optimal levels of corn starch, chitosan
and glycerol were 3.71%, 0.95% and 0.64% for the highest tensile strength of edible films; 3.82%, 0.50% and 1.00% for the
highest elongation; and 3.52%, 0.52% and 0.50% for the smallest WVP, respectively. Edible films consisting of 3.50% corn
starch, 0.50% chitosan and 0.67% glycerol showed the best properties of tensile strength, elongation at rupture and water
vapor permeability (WVP).

Key words: corn starch, chitosan, response surface methodology, mechanical properties, water vapor permeability (WVP)

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