Pullulan-based composite films incorporated with bacterial cellulose (BC) and ferulic acid (FA) were prepared by solution casting method. The rheological, morphological, barrier, optical, anti-fogging, and antioxidant properties of pullulan-based composite films doped with BC and FA were investigated. The rheological results showed that all film-forming solution was pseudoplastic fluid and its viscosity increased with the increase of BC content. An appropriate BC (2 %) and FA were uniformly dispersed in pullulan to form uniform and dense composite films. With the increase of BC content, the roughness and opacity of composite films increased while their UV–vis barrier performance was improved by incorporating BC and FA. Fourier transform infrared spectrometer analysis demonstrated that hydrogen bond interactions among pullulan, BC, and FA were found, and incorporating BC could increase the crystallinity of the composite films, thus enhancing their mechanical, barrier, hydrophobic, and thermal stability properties. Pullulan-based composite films incorporated with 2 % BC and FA (P-BC2-FA) showed better mechanical properties, water, oxygen, and carbon dioxide barrier performances, and its water contact angle value also increased compared with control, respectively. P-BC2-FA film showed superior anti-fogging and antioxidant activities. These results indicate that the P-BC2-FA film are expected to be a potential target of bioactive packaging.

采用溶液流延法制备了掺有细菌纤维素（BC）和阿魏酸（FA）的普鲁兰基复合膜。研究了掺杂BC和FA的支链淀粉基复合薄膜的流变、形态、阻隔、光学、防雾和抗氧化性能。流变学结果表明，所有成膜溶液均为假塑性流体，其粘度随着BC含量的增加而增加。适当的 BC (2%) 和 FA 均匀分散在支链淀粉中，形成均匀致密的复合膜。随着 BC 含量的增加，复合薄膜的粗糙度和不透明度增加，同时通过添加 BC 和 FA 提高了其 UV-vis 阻隔性能。傅里叶变换红外光谱分析表明，支链淀粉、BC、发现 和 FA，加入 BC 可以增加复合薄膜的结晶度，从而增强其机械、阻隔、疏水和热稳定性。添加 2% BC 和 FA (P-BC2-FA) 的普鲁兰基复合膜表现出更好的机械性能、水、氧气和二氧化碳阻隔性能，其水接触角值也分别比对照有所增加。P-BC2-FA薄膜显示出优异的防雾和抗氧化活性。这些结果表明，P-BC2-FA 薄膜有望成为生物活性包装的潜在目标。添加 2% BC 和 FA (P-BC2-FA) 的普鲁兰基复合膜表现出更好的机械性能、水、氧气和二氧化碳阻隔性能，其水接触角值也分别比对照有所增加。P-BC2-FA薄膜显示出优异的防雾和抗氧化活性。这些结果表明，P-BC2-FA 薄膜有望成为生物活性包装的潜在目标。添加 2% BC 和 FA (P-BC2-FA) 的普鲁兰基复合膜表现出更好的机械性能、水、氧气和二氧化碳阻隔性能，其水接触角值也分别比对照有所增加。P-BC2-FA薄膜显示出优异的防雾和抗氧化活性。这些结果表明，P-BC2-FA 薄膜有望成为生物活性包装的潜在目标。