焦婷,张红杰,张雪,张海艳,程芸,张文晖.金属-多酚网络/纤维素微纤丝复合物的制备及其抗氧化性和稳定性研究[J].中国造纸学报,2022,37(3):10-19 |
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金属-多酚网络/纤维素微纤丝复合物的制备及其抗氧化性和稳定性研究 |
Study on Preparation, Antioxidant Property, and Stability of Metal-Polyphenol Network/Cellulose Microfibrils Composite |
投稿时间:2021-11-08 |
DOI:10.11981/j.issn.1000-6842.2022.03.10 |
中文关键词: 金属-多酚网络 纤维素微纤丝 抗氧化性 食品包装材料 复合物 |
Key Words:metal-polyphenol network cellulose microfibrils antioxidant property food packaging material complex |
基金项目:国家自然科学基金项目(32171727,32001276);北京市科协金桥工程种子资金项目。 |
作者 | 单位 | 邮编 | 焦婷* | 中国制浆造纸研究院有限公司,北京,100102 天津科技大学轻工科学与工程学院,天津,300457 制浆造纸国家工程实验室,北京,100102 | 100102 | 张红杰 | 中国制浆造纸研究院有限公司,北京,100102 制浆造纸国家工程实验室,北京,100102 | 100102 | 张雪 | 中国制浆造纸研究院有限公司,北京,100102 制浆造纸国家工程实验室,北京,100102 | 100102 | 张海艳 | 中国制浆造纸研究院有限公司,北京,100102 天津科技大学轻工科学与工程学院,天津,300457 制浆造纸国家工程实验室,北京,100102 | 100102 | 程芸 | 中国制浆造纸研究院有限公司,北京,100102 制浆造纸国家工程实验室,北京,100102 | 100102 | 张文晖 | 天津科技大学轻工科学与工程学院,天津,300457 | 300457 |
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中文摘要: |
利用Fe3+和单宁酸(TA)制备金属-多酚网络(MPN),并用于纤维素微纤丝(CMF)的功能化改性,以制备CMF-MPN复合物,探讨CMF与MPN制备条件对CMF-MPN复合物抗氧化性和稳定性等的影响。结果表明,MPN可赋予CMF抗氧化性,当TA与Fe3+质量比为4∶1、pH值为3制备的MPN添加量为2%(相对于绝干CMF质量)时,所得CMF-MPN复合物的DPPH清除率达97.0%;热重分析结果表明,CMF-MPN复合物残余质量相对于CMF提高了8.13%,但最大热降解温度略有下降;傅里叶变换红外光谱分析结果表明,CMF与MPN间的吸附为物理吸附;以CMF为载体可以提高MPN结构的稳定性,放置60天后仍能保持初始抗氧化性的80%左右,具有缓慢持续释放抗氧化因子的性能,这为开发绿色食品保鲜包装材料提供了新思路。 |
Abstract: |
Metal-polyphenol network (MPN) was prepared by Fe3+ and tannic acid (TA), which was further used for functional modification of cellulose microfibrils (CMF), to prepare CMF-MPN complex. The effects of preparation conditions of CMF and MPN on the antioxidant property and stability of the CMF-MPN complex were investigated. The results showed that MPN endowed CMF with antioxidant property, and the DPPH clearance rate of the obtained CMF-MPN complex reached to 97.0% at MPN (prepared at TA∶Fe3+=4∶1 and pH value of 3) additive amount of 2%. The residual mass of CMF-MPN complex increased by 8.13% compared with CMF but the maximum pyrolysis temperature decreased slightly according to the thermogravimetric analysis (TGA). Fourier transform infrared spectroscopy (FT-IR) analysis suggested the physical adsorption between CMF and MPN. Moreover, the application of CMF as a carrier improved the stability of the MPN structure, maintaining 80% of the initial antioxidant property after 60 days, showing the performance of releasing antioxidant factors continuously and slowly. This work provided a new idea for the development of green food preservation packaging materials. |
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