食品科学 ›› 2008, Vol. 29 ›› Issue (11): 649-652.

• 包装贮运 • 上一篇    下一篇

不同包装材料对酸奶品质变化的影响

 白婧, 李冉, 任发政   

  1. 中国农业大学食品科学与营养工程学院; 教育部-北京市功能乳品实验室;
  • 出版日期:2008-11-15 发布日期:2011-12-08

Quality Changes of Roof-packed Yogurt with Different Packaging Materials during Storage

 BAI  Jing, LI  Ran, REN  Fa-Zheng   

  1. 1.College of Food Science and Nutritional Engineering,China Agricultural University,Beijing 100083,China;2.Laboratory of Functional Dairy,Ministry of Education and Beijing City,Beijing 100083,China
  • Online:2008-11-15 Published:2011-12-08

摘要: 本实验选择了同一奶源,相同加工工艺以及同一批次的四种包装材料的屋顶盒包装酸奶,研究它们在4℃冷藏避光、4℃冷藏光照、25℃室温避光和25℃室温光照四个贮藏条件下,滴定酸度、粗蛋白含量、乳酸菌总数以及VC含量在贮藏期内的变化。实验结果表明,蓝色屋顶盒包装整体稳定性最好,其次是黄色包装,而红色包装在乳酸菌增殖和VC的保护效果上不如蓝色包装和黄色包装,白色包装效果最差。

关键词: 包装材料, 贮藏期, 酸奶, 品质变化

Abstract: The characteristics of roof-packed yogurt with different packaging materials such as Lactobacillus number,titration acidy,content of total protein and content of ascorbic acid at different temperatures in two illumination situations were analyzed continuously.The results showed that the blue roof-packaging was the most stable of the four samples,followed by the yellow roof-packaging.Considering the protection of vitamin C and proliferation of Lactobacillus,the red roof-packaging is worse than blue and yellow ones,and the white roof-packaging is the worst for yogurt content protection.

Key words: package, storage, yogurt, quality change