Wang Fang, Liu Wenwen, Jin Yumeng, Zou Wenyu, Zhu Shouyan, Shen Hangyu, Wang Xiaoying, Xu Ziqiang, Kong Fangong
Key Laboratory of Pulp & Paper Science and Technology of Shandong Province, Ministry of Education, State Key Laboratory of Green Papermaking and Resourse Recycling, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, PR China.
College of Chemistry and Chemical Engineering, Dezhou University, Dezhou, Shandong 253023, PR China.
Food Chem. 2025 Oct 1;488:144866. doi: 10.1016/j.foodchem.2025.144866. Epub 2025 May 23.
The amphipathic property of paper inhibits its applications in cake packaging. Herein, sodium alginate, calcium chloride, and cinnamaldehyde were mixed, and the process was precisely controlled to maintain homogenously aqueous coating solution. Sodium alginate and Ca chelation is helpful to the intermolecular hydrogen bonding, which improves oil resistance of the coated papers. Kit number of the coated papers were 12 at 30, 45, 60, 75, 90, 105 and 120 °C, and soybean oil resistance time was over 24 h. The coated papers exhibited good biocompatibility, and the bacterial inhibition zones reached 28 (Escherichia coli) and 34 mm (Staphylococcus aureus). Additionally, the mechanical property, air permeability, ultraviolet and high-energy blue light blocking, and antioxidative property were all improved. Cake preservation results showed that the coated paper inhibited oil penetration and bacterial proliferation. This biomass-based coated papers can be an alternative for grease food packaging.
纸张的两亲性限制了其在蛋糕包装中的应用。在此，将海藻酸钠、氯化钙和肉桂醛混合，并精确控制过程以保持均匀的水性涂布液。海藻酸钠与钙的螯合有助于分子间氢键的形成，从而提高涂布纸的耐油性。涂布纸在30、45、60、75、90、105和120℃下的试剂盒编号为12，耐大豆油时间超过24小时。涂布纸表现出良好的生物相容性，对大肠杆菌的抑菌圈达到28mm，对金黄色葡萄球菌的抑菌圈达到34mm。此外，其机械性能、透气性能、紫外线和高能蓝光阻隔性能以及抗氧化性能均得到改善。蛋糕保鲜结果表明，涂布纸能抑制油脂渗透和细菌增殖。这种基于生物质的涂布纸可作为油脂类食品包装的替代品。
