The aim of this study was to investigate the rheological, physical, and mechanical properties of chicken skin gelatin film forming solutions (FFSs) and films incorporated with potato starch. Chicken skin gelatin-based FFSs with various potato starch concentrations (0, 2, 4, 6, 8, and 10%, w/w) were prepared via casting technique. The dynamic viscoelastic properties of FFS were measured, and film characterization in terms of physical and mechanical properties was conducted. Potato starch incorporation with chicken skin gelatin-based FFS resulted in improvement of viscous behavior (G″ > G'). As potato starch concentration increased, the tensile strength, elongation at break, and elastic modulus values of chicken skin gelatin-based films also increased (p < 0.05). Additionally, increasing the concentration of potato starch caused incremental changes in water vapor permeability and melting temperatures (T m), but a reduction in water solubility (p < 0.05). In addition, the surface smoothness and internal structure of composite films improved via potato starch incorporation. The incorporation of potato starch was also found to provide good barrier properties against ultraviolet and visible light, but did not significantly influence the transparency values of composite films. Overall, chicken skin gelatin film with 6% potato starch concentration incorporation was the most promising composite film, since it was found to exhibit optimal performance in terms of physical properties.

中文翻译：

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掺有马铃薯淀粉的鸡皮明胶膜的流变，物理和机械性能。

这项研究的目的是研究鸡皮明胶成膜溶液（FFSs）和掺有马铃薯淀粉的薄膜的流变，物理和机械性能。通过浇铸技术制备了具有各种马铃薯淀粉浓度（0、2、4、6、8和10％，w / w）的基于鸡皮明胶的FFS。测量了FFS的动态粘弹性，并根据物理和机械性能进行了薄膜表征。马铃薯淀粉与鸡皮明胶基FFS的结合可改善粘性行为（G''> G'）。随着马铃薯淀粉浓度的增加，基于鸡皮明胶的薄膜的拉伸强度，断裂伸长率和弹性模量值也均增加（p <0.05）。此外，马铃薯淀粉浓度的增加导致水蒸气渗透率和融化温度（T m）的变化，但水溶性降低（p <0.05）。另外，通过马铃薯淀粉的掺入改善了复合膜的表面光滑度和内部结构。还发现掺入马铃薯淀粉可提供良好的抗紫外线和可见光的阻隔性能，但不会显着影响复合薄膜的透明度。总体而言，掺入6％马铃薯淀粉浓度的鸡皮明胶膜是最有前途的复合膜，因为发现它在物理性能方面表现出最佳性能。通过马铃薯淀粉的掺入改善了复合膜的表面光滑度和内部结构。还发现掺入马铃薯淀粉可提供良好的抗紫外线和可见光的阻隔性能，但不会显着影响复合薄膜的透明度。总体而言，掺入6％马铃薯淀粉浓度的鸡皮明胶膜是最有前途的复合膜，因为发现它在物理性能方面表现出最佳性能。通过马铃薯淀粉的掺入改善了复合膜的表面光滑度和内部结构。还发现掺入马铃薯淀粉可提供良好的抗紫外线和可见光的阻隔性能，但不会显着影响复合薄膜的透明度。总体而言，掺入6％马铃薯淀粉浓度的鸡皮明胶膜是最有前途的复合膜，因为发现它在物理性能方面表现出最佳性能。