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Preparation and characterization of TiO2NPs and betanin loaded zein/sodium alginate nanofibers
Food Packaging and Shelf Life ( IF 8 ) Pub Date : 2020-06-01 , DOI: 10.1016/j.fpsl.2020.100504 Sajed Amjadi , Hadi Almasi , Marjan Ghorbani , Soghra Ramazani
Food Packaging and Shelf Life ( IF 8 ) Pub Date : 2020-06-01 , DOI: 10.1016/j.fpsl.2020.100504 Sajed Amjadi , Hadi Almasi , Marjan Ghorbani , Soghra Ramazani
Abstract The aim of this study was the development of a new nanofibers based on zein/sodium alginate (Z/SA) incorporated with titanium dioxide nanoparticles (TiO2NPs) and betanin (B) using the electrospinning technique for application in food packaging. The Z/SA/TiO2NPs/B nanofiber exhibited a bead-free morphology with average fiber diameter of 535.99 ± 220.91 nm. The FT-IR and DSC results showed the compatibility among zein, alginate and active agents. In addition, the Z/SA/TiO2NPs/B sample showed satisfactory mechanical properties and high surface hydrophobicity. The synergistic effect between TiO2NPs and betanin provided high antibacterial activity in nanofibers against two food-borne pathogenic bacteria. The DPPH scavenging activity of Z/SA/TiO2NPs/B nanofiber sample was 64.42 ± 3.56 %. Moreover, the biocompatibility of fabricated nanofibers was approved by in-vitro cell cytotoxicity assay. As a result, the use of Z/SA/TiO2NPs/B electrospun nanofiber would be a positive step in the improving of shelf life and quality of food stuffs.
中文翻译:
TiO2NPs和甜菜碱负载玉米蛋白/海藻酸钠纳米纤维的制备和表征
摘要 本研究的目的是利用静电纺丝技术开发一种基于玉米醇溶蛋白/海藻酸钠 (Z/SA) 并结合二氧化钛纳米粒子 (TiO2NPs) 和甜菜碱 (B) 的新型纳米纤维,用于食品包装。Z/SA/TiO2NPs/B 纳米纤维表现出无珠形态,平均纤维直径为 535.99 ± 220.91 nm。FT-IR 和 DSC 结果表明玉米蛋白、藻酸盐和活性剂之间具有相容性。此外,Z/SA/TiO2NPs/B 样品表现出令人满意的机械性能和高表面疏水性。TiO2NPs 和甜菜碱之间的协同作用为纳米纤维提供了对两种食源性致病菌的高抗菌活性。Z/SA/TiO2NPs/B纳米纤维样品的DPPH清除活性为64.42±3.56%。而且,制造的纳米纤维的生物相容性通过体外细胞毒性试验得到批准。因此,Z/SA/TiO2NPs/B 电纺纳米纤维的使用将是提高食品保质期和质量的积极步骤。
更新日期:2020-06-01
中文翻译:
TiO2NPs和甜菜碱负载玉米蛋白/海藻酸钠纳米纤维的制备和表征
摘要 本研究的目的是利用静电纺丝技术开发一种基于玉米醇溶蛋白/海藻酸钠 (Z/SA) 并结合二氧化钛纳米粒子 (TiO2NPs) 和甜菜碱 (B) 的新型纳米纤维,用于食品包装。Z/SA/TiO2NPs/B 纳米纤维表现出无珠形态,平均纤维直径为 535.99 ± 220.91 nm。FT-IR 和 DSC 结果表明玉米蛋白、藻酸盐和活性剂之间具有相容性。此外,Z/SA/TiO2NPs/B 样品表现出令人满意的机械性能和高表面疏水性。TiO2NPs 和甜菜碱之间的协同作用为纳米纤维提供了对两种食源性致病菌的高抗菌活性。Z/SA/TiO2NPs/B纳米纤维样品的DPPH清除活性为64.42±3.56%。而且,制造的纳米纤维的生物相容性通过体外细胞毒性试验得到批准。因此,Z/SA/TiO2NPs/B 电纺纳米纤维的使用将是提高食品保质期和质量的积极步骤。