纤维素微纤丝改性方式对胶原纤维复合膜性能的影响

doi:10.7506/spkx1002-6630-20210802-021

食品科学 ›› 2022, Vol. 43 ›› Issue (12): 139-141.doi: 10.7506/spkx1002-6630-20210802-021

• 食品化学 • 上一篇

纤维素微纤丝改性方式对胶原纤维复合膜性能的影响

焦婷，张文晖，张雪，张海艳，王稳航，张红杰

（1.天津科技大学轻工科学与工程学院，天津 300457；2.中国制浆造纸研究院有限公司，北京 100102；3.天津科技大学食品科学与工程学院，天津 300457）

发布日期:2022-07-01
基金资助:
宁夏回族自治区重点研发计划项目（2020BFH03003）；中央引导地方科技发展专项（天津）（20ZYCGSN00010）；国家自然科学基金青年科学基金项目（32001276）；国家自然科学基金面上项目（31771994）

Effect of Modification Methods of Cellulose Microfibrils on the Performance of Collagen Fiber Composite Films

JIAO Ting, ZHANG Wenhui, ZHANG Xue, ZHANG Haiyan, WANG Wenhang, ZHANG Hongjie

(1. School of Light Industry Science and Engineering, Tianjin University of Science & Technology, Tianjin 300457, China; 2. China National Pulp and Paper Research Institute Co. Ltd., Beijing 100102, China; 3. College of Food Science and Engineering, Tianjin University of Science & Technology, Tianjin 300457, China)

Published:2022-07-01

摘要/Abstract

摘要： 利用金属-多酚网络（metal-polyphenol network，MPN）和不同程度羧基化改性制备的纤维素微纤丝（cellulose microfibrils，CMF）与胶原纤维（collagen fiber，CF）共混制成复合膜，探究CMF改性方式对复合膜性能的影响。结果表明：MPN改性的CMF能使复合膜抗氧化性能提高51.49%，断裂延伸率和阻光性也有显著提高；MPN和高含量羧甲基共同改性的CMF能最大程度降低MPN对复合膜机械强度的影响；MPN和高含量羧乙基共同改性的CMF能使复合膜对水蒸气和氧气的阻隔能力分别提高1.30 倍和3.48 倍。扫描电子显微镜和红外光谱分析表明不同方式改性的CMF与CF之间是物理交联且具有良好的相容性，从而为提高复合膜的性能以更好地应用到食品包装领域提供了一种新手段。

关键词: 胶原纤维复合膜；纤维素微纤丝；金属-多酚网络；羧基化改性；食品包装

Abstract: In this study, composite films were prepared with collagen fiber (CF) and cellulose microfibrils (CMF) with different degrees of carboxylation coated with metal-polyphenol network (MPN) in order to evaluate the influence of the modification methods of CMF on the properties of the composite films. The results showed that compared to CF-CMF films, the oxidation resistance of CF-CMF-MPN films was increased by 51.49%, and the elongation at break and light resistance were also improved significantly. CMF modified with MPN and high content of carboxymethyl groups could minimize the impact of MPN on the mechanical strength of composite films. CMF modified with MPN and high content of carboxyethyl groups could increase the water vapor and oxygen barrier performance by 1.30 and 3.48 times, respectively. Scanning electron microscopy and infrared spectroscopic analysis showed that different modified CMFs and collagen fibers physically cross-linked and had good compatibility with each other. In conclusion, this study has provided a new means to improve the performance of composite films for better applications in the field of food packaging.

Key words: collagen fiber composite film; cellulose microfibrils; metal-polyphenol network; carboxylation modification; food packaging

中图分类号:

TS206.4

焦婷，张文晖，张雪，张海艳，王稳航，张红杰. 纤维素微纤丝改性方式对胶原纤维复合膜性能的影响[J]. 食品科学, 2022, 43(12): 139-141.

JIAO Ting, ZHANG Wenhui, ZHANG Xue, ZHANG Haiyan, WANG Wenhang, ZHANG Hongjie. Effect of Modification Methods of Cellulose Microfibrils on the Performance of Collagen Fiber Composite Films[J]. FOOD SCIENCE, 2022, 43(12): 139-141.

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纤维素微纤丝改性方式对胶原纤维复合膜性能的影响

Effect of Modification Methods of Cellulose Microfibrils on the Performance of Collagen Fiber Composite Films

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